{"id":45378,"date":"2023-10-28T09:20:43","date_gmt":"2023-12-12T05:01:34","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45378-2\/"},"modified":"2024-05-04T06:24:08","modified_gmt":"2024-05-03T22:24:08","slug":"45378-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45378-2\/","title":{"rendered":""},"content":{"rendered":"

Elixir \u304b\u3089 Rust \u306e\u95a2\u6570\u3092\u547c\u3076\u3053\u3068\u3067\u3001\u5186\u5468\u7387 $\\pi$ \u306e\u8fd1\u4f3c\u5024\u3092\u6c42\u3081\u308b\u8a08\u7b97\u3092\u9ad8\u901f\u5316\u3059\u308b\u3002Erlang VM \u306e NIF\uff08Native Implemented Functions\uff09\u3068\u3044\u3046\u4ed5\u7d44\u307f\u3067\u5b9f\u73fe\u3059\u308b\u306e\u3067\u3001\u540c\u3058\u65b9\u6cd5\u3067 Erlang \u304b\u3089 Rust \u306e\u95a2\u6570\u3092\u547c\u3076\u3053\u3068\u3082\u3067\u304d\u308b\u3002<\/p>\n

Qiita \u3067\u306f\u540c\u3058\u3088\u3046\u306a\u30bf\u30a4\u30c8\u30eb\u306e\u8a18\u4e8b\u304c \u5404\u8a00\u8a9e\u3067\u30b7\u30ea\u30fc\u30ba\u5316(\uff1f) \u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u308c\u306b\u4fbf\u4e57\u3055\u305b\u3066\u3082\u3089\u3063\u305f\u3002\u305f\u3060\u305d\u308c\u3089\u3067\u306f\u3001\u91cd\u3044\u51e6\u7406\u3068\u3057\u3066\u518d\u5e30\u578b\u306e\u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u6570\u5217\u95a2\u6570\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u306e\u3060\u304c\u3001\u305d\u308c\u3060\u3068\u30de\u30eb\u30c1\u30b3\u30a2\u30d7\u30ed\u30bb\u30c3\u30b5\u3067\u4e26\u884c\u8a08\u7b97\uff08parallel \u8a08\u7b97\uff09\u3055\u305b\u308b\u306e\u304c\u96e3\u3057\u3044\u306e\u3067\u3001\u4eca\u56de\u306f\u7c21\u5358\u306b parallel \u5316\u3067\u304d\u308b\u3001\u5186\u5468\u7387\u306e\u8fd1\u4f3c\u8a08\u7b97\u3092\u884c\u3046\u3053\u3068\u306b\u3057\u305f\u3002<\/p>\n

\u9032\u3081\u304b\u305f<\/h2>\n

\u8a08\u7b97\u306b\u304b\u304b\u3063\u305f\u6642\u9593\u3092\u8a08\u308a\u306a\u304c\u3089\u3001\u4ee5\u4e0b\u306e\u6bb5\u53d6\u308a\u3067\u9032\u3081\u3066\u3044\u304f\u3002<\/p>\n

    \n
  1. \n
      Elixir\uff1a\u30b7\u30f3\u30b0\u30eb\u30d7\u30ed\u30bb\u30b9\u3067\u8a08\u7b97<\/ol>\n<\/li>\n<\/ol>\n

       <\/p>\n

        \n
      1. \n
          Elixir\uff1a\u30de\u30eb\u30c1\u30d7\u30ed\u30bb\u30b9\u3067\u8a08\u7b97<\/ol>\n<\/li>\n<\/ol>\n

           <\/p>\n

            \n
          1. \n
              Elixir\uff1aHiPE \u3067\u30cd\u30a4\u30c6\u30a3\u30d6\u30b3\u30fc\u30c9\u5316<\/ol>\n<\/li>\n<\/ol>\n

               <\/p>\n

                Elixir \u304b\u3089 Rust \u306e\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u547c\u3073\u51fa\u3059<\/ol>\n

                Elixir \u3068\u306f\uff1f<\/h2>\n

                Qiita – Elixir \u306e\u7279\u5fb4 \u3088\u308a\u3002<\/p>\n

                  \n
                • \n
                    Elixir \u306f\u30b9\u30b1\u30fc\u30eb\u3057\u3084\u3059\u304f\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3057\u3084\u3059\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u308b\u305f\u3081\u306e\u52d5\u7684\u306a\u95a2\u6570\u578b\u8a00\u8a9e<\/ul>\n<\/li>\n<\/ul>\n

                     <\/p>\n

                      \n
                    • \n
                        Erlang VM \u4e0a\u3067\u5b9f\u884c\u3055\u308c\u308b<\/ul>\n<\/li>\n<\/ul>\n

                         <\/p>\n

                          Erlang VM \u306f\u4f4e\u30ec\u30a4\u30c6\u30f3\u30b7\u3067\u3001\u5206\u6563\u578b\u304b\u3064\u8010\u969c\u5bb3\u6027\u306e\u3042\u308b\u30b7\u30b9\u30c6\u30e0\u3068\u3057\u3066\u77e5\u3089\u308c\u3066\u304a\u308a\u3001Web \u958b\u767a\u3084\u7d44\u307f\u8fbc\u307f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u9818\u57df\u3067\u4f7f\u308f\u308c\u3066\u6210\u529f\u3057\u3066\u3044\u308b<\/ul>\n

                          Elixir \u306e\u6700\u521d\u306e\u5b89\u5b9a\u7248 1.0 \u306f\u30012014\u5e749\u6708\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u30022016\u5e741\u6708\u73fe\u5728\u306e\u6700\u65b0\u5b89\u5b9a\u7248\u306f 1.2.0\u3002\u300c\u52d5\u7684\u300d\u578b\u4ed8\u3051\u3001\u5f37\u3044\u578b\u4ed8\u3051\u3092\u884c\u3044\u3001\u52d5\u7684\u578b\u4ed8\u3051\u3092\u6d3b\u304b\u3057\u3066\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u4e2d\u306b\u4efb\u610f\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30b3\u30fc\u30c9\u3092\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3002Erlang VM \u3068 Erlang\/OTP \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304b\u3089\u3001\u5805\u7262\u6027\u3068\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u30fc\u3092\u53d7\u3051\u7d99\u3044\u3067\u304a\u308a\u3001\u9ad8\u8ca0\u8377\u306a\u72b6\u6cc1\u3067\u3082\u5b89\u5b9a\u3057\u305f\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3067\u304d\u308b\u3002<\/p>\n

                          \u3055\u3089\u306b\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u304c\u53ef\u80fd\u306a\u8a00\u8a9e\u306b\u3057\u305f\u3053\u3068\u3067\u3001\u30a6\u30a7\u30d6\u30b5\u30fc\u30d3\u30b9\u3092\u4e2d\u5fc3\u3068\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u751f\u7523\u6027\u304c\u6975\u3081\u3066\u9ad8\u3044\u306e\u304c\u7279\u5fb4\u3060\u3002\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30fb\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e Phoenix \u3068\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30af\u30a8\u30ea\u7528 DSL \u8a00\u8a9e\u306e Ecto \u304c\u3001\u30ad\u30e9\u30fc\u30a2\u30d7\u30ea\u306b\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n

                          Rust \u3068\u306f\uff1f<\/h2>\n

                          Rust \u306f\u5b89\u5168\u6027\u3068\u901f\u5ea6\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u3057\u305f\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5411\u3051\u306e\u8a00\u8a9e\u3067\u3001\u4ee5\u4e0b\u306e\u7279\u5fb4\u3092\u6301\u3064\u3002<\/p>\n

                            \n
                          • \n
                              \u30bc\u30ed\u30b3\u30b9\u30c8\u62bd\u8c61\u5316\u306b\u3088\u308b\u9ad8\u901f\u6027\u3002\u30e2\u30c0\u30f3\u306a\u8a00\u8a9e\u306b\u898b\u3089\u308c\u308b\u9ad8\u5ea6\u306a\u62bd\u8c61\u5316\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u304c\u3001\u89e3\u6790\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u884c\u306a\u3046\u305f\u3081\u3001\u5b9f\u884c\u6642\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u6975\u3081\u3066\u5c0f\u3055\u3044\u3002C++ \u3067\u66f8\u304b\u308c\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u8fd1\u3044\u5b9f\u884c\u52b9\u7387\u306b\u3059\u308b\u3053\u3068\u3092\u76ee\u6a19\u306b\u63b2\u3052\u3066\u3044\u308b<\/ul>\n<\/li>\n<\/ul>\n

                               <\/p>\n

                                \n
                              • \n
                                  \u30e1\u30e2\u30ea\u30fc\u3078\u306e\u4e0d\u6b63\u306a\u30a2\u30af\u30bb\u30b9\uff08segfaults\uff09\u3092\u9632\u6b62\u3059\u308b\u305f\u3081\u306e\u30c1\u30a7\u30c3\u30af\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u884c\u3046<\/ul>\n<\/li>\n<\/ul>\n

                                   <\/p>\n

                                    \u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u5b89\u5168\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306e\u30c1\u30a7\u30c3\u30af\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u884c\u3046<\/ul>\n

                                    Rust \u306e\u6700\u521d\u306e\u5b89\u5b9a\u7248 1.0 \u306f\u30012015\u5e745\u6708\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u3070\u304b\u308a\u30022016\u5e741\u6708\u73fe\u5728\u306e\u6700\u65b0\u5b89\u5b9a\u7248\u306f 1.5\u3002GC\uff08\u30ac\u30d9\u30fc\u30b8\u30b3\u30ec\u30af\u30bf\uff09\u3092\u6301\u305f\u306a\u3044\u304c\u3001\u6240\u6709\u6a29\u30b7\u30b9\u30c6\u30e0\u3068\u3044\u3046\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u30b9\u30bf\u30c3\u30af\u3084\u30d2\u30fc\u30d7\u9818\u57df\u306e\u6240\u6709\u6a29\u3068\u305d\u306e\u501f\u7528\u3001\u305d\u3057\u3066\u5bff\u547d\u3092\u89e3\u6790\u3059\u308b\u3057\u304f\u307f\u306b\u3088\u308a\u3001segfaults \u3092\u672a\u7136\u306b\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u304c\u6700\u5927\u306e\u7279\u5fb4\u306b\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n

                                    \u307e\u305f\u3001SML\u3001OCaml\u3001Haskell \u306a\u3069\u306e\u95a2\u6570\u578b\u8a00\u8a9e\u304b\u3089\u5f37\u3044\u5f71\u97ff\u3092\u53d7\u3051\u3066\u304a\u308a\u3001\u300c\u9759\u7684\u300d\u578b\u4ed8\u3051\u3001\u5f37\u3044\u578b\u4ed8\u3051\u306f\u3082\u3061\u308d\u3093\u3001\u9ad8\u5ea6\u306a\u578b\u63a8\u8ad6\u3092\u884c\u3046\u3002Elixir \u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3084 Haskell \u306e\u578b\u30af\u30e9\u30b9\u306b\u4f3c\u305f\u300c\u30c8\u30ec\u30a4\u30c8\u300d\u306b\u3088\u308a\u3001\u53b3\u683c\u306a\u578b\u30b7\u30b9\u30c6\u30e0\u306e\u4e0b\u3067\u3001\u591a\u76f8\u306a\u95a2\u6570\u304c\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3002\u3055\u3089\u306b\u3001Erlang \u306e\u30a2\u30af\u30bf\u30fc\u30e2\u30c7\u30eb\u3084\u3001\u8efd\u91cf\u30d7\u30ed\u30bb\u30b9\u306e\u7570\u5e38\u7d42\u4e86\u691c\u77e5\u30e2\u30c7\u30eb\u3082\u53c2\u8003\u306b\u3057\u3066\u3044\u308b\u3002\u3053\u308c\u3089\u306e\u7279\u5fb4\u304b\u3089\u3001\u30c7\u30fc\u30bf\u306e\u578b\u306e\u5b89\u5168\u6027\u306f\u3082\u3061\u308d\u3093\u3001\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u7af6\u5408\u306b\u307e\u3064\u308f\u308b\u5b89\u5168\u6027\u307e\u3067\u3082\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u4fdd\u8a3c\u3067\u304d\u308b\u3057\u304f\u307f\u306b\u306a\u3063\u3066\u3044\u308b\u3002\u305d\u306e\u4e00\u65b9\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u884c\u3046\u958b\u767a\u8005\u304b\u3089\u656c\u9060\u3055\u308c\u305d\u3046\u306a\u3001\u95a2\u6570\u578b\u8a00\u8a9e\u3063\u307d\u3044\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30bf\u30a4\u30eb\u306f\u6975\u529b\u6392\u9664\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n

                                    Mozilla \u304c\u30b9\u30dd\u30f3\u30b5\u30fc\u3068\u306a\u3063\u3066\u958b\u767a\u304c\u9032\u3081\u3089\u308c\u3066\u304a\u308a\u3001Mozilla Research \u306e\u7814\u7a76\u958b\u767a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u300cServo, Parallel Browser Engine\u300d\u306e\u958b\u767a\u8a00\u8a9e\u306b\u63a1\u7528\u3055\u308c\u3066\u3044\u308b1\u3002<\/p>\n

                                    \u4f7f\u7528\u3057\u305f\u74b0\u5883<\/h2>\n

                                    \u4eca\u56de\u4f7f\u7528\u3057\u305f\u74b0\u5883\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n

                                      \n
                                    • \n
                                        Elixir 1.2.0 \uff0b Erlang\/OTP 18.2.1<\/ul>\n<\/li>\n<\/ul>\n

                                         <\/p>\n

                                          \n
                                        • \n
                                            Rust 1.5<\/ul>\n<\/li>\n<\/ul>\n

                                             <\/p>\n

                                              \n
                                            • \n
                                                OS<\/ul>\n<\/li>\n<\/ul>\n

                                                FreeBSD 10.2-RELEASE
                                                \nArch Linux
                                                \n\uff12\u3064\u306e OS \u3067\u540c\u69d8\u306e\u50be\u5411\u304c\u898b\u3089\u308c\u305f\u3002\u672c\u8a18\u4e8b\u306b\u306f FreeBSD \u306e\u7d50\u679c\u3092\u63b2\u8f09<\/p>\n

                                                \u30de\u30b7\u30f3<\/p>\n

                                                Mac mini\uff08Mid 2012\uff09
                                                \n2.60GHz\u52d5\u4f5c\u306e\u30af\u30a2\u30c3\u30c9\u30b3\u30a2 Core i7 3720QM
                                                \nHyper Threading \u306b\u3088\u308a\uff18\u3064\u306e\u8ad6\u7406\u30b3\u30a2\u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u3057\u3066\u52d5\u4f5c\u3059\u308b
                                                \n16GB RAM
                                                \n\u4e0a\u8a18\u306e OS \u306f\u76f4\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u3002\uff08Mac OS X \u306e VMware \u3084 xhyve \u3068\u3044\u3063\u305f\u4eee\u60f3\u30de\u30b7\u30f3\u30cf\u30a4\u30d1\u30fc\u30d0\u30a4\u30b6\u30fc\u306f\u4f7f\u3063\u3066\u3044\u306a\u3044\uff09<\/p>\n

                                                Erlang\/OTP \u306f kerl \u3067\u30d3\u30eb\u30c9\u3057\u3001\u305d\u306e\u969b\u3001\u4ee5\u4e0b\u306e configure \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3057\u305f\u3002<\/p>\n

                                                --enable-dirty-schedulers\r\n--enable-hipe --enable-native-libs --enable-fp-exceptions\r\n--enable-smp-support --enable-threads --enable-kernel-poll\r\n<\/code><\/pre>\n
                                                Elixir \u3068 Rust \u5171\u306b\u3001FreeBSD \u3068 Arch Linux \u3067\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u30d0\u30a4\u30ca\u30ea\u30fc\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u5229\u7528\u3057\u305f\u3002<\/p>\n
                                                \u306a\u304a\u3001Rust \u306f x86_68 \u7cfb\u30d7\u30ed\u30bb\u30c3\u30b5\u306e SIMD \u547d\u4ee4\u3092\u7528\u3044\u305f\u6700\u9069\u5316\u304c\u3067\u304d\u308b\u3088\u3046\u3060\u304c\u3001\u4eca\u56de\u751f\u6210\u3055\u308c\u305f\u6a5f\u68b0\u8a9e\u547d\u4ee4\u306b\u306f SIMD \u7cfb\u306e\u547d\u4ee4\u306f\u542b\u307e\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u3002SIMD \u306b\u672a\u5bfe\u5fdc\u306e\u30d7\u30ed\u30bb\u30c3\u30b5\u30fc\u3082\u3042\u308b\u306e\u3067\u3001FreeBSD \u3084 Arch Linux \u3067\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u30d0\u30a4\u30ca\u30ea\u30fc\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u306f\u3001SIMD \u306e\u30b5\u30dd\u30fc\u30c8\u304c\u7121\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u3088\u3046\u30602\u3002<\/p>\n
                                                \u5186\u5468\u7387\u306e\u6c42\u3081\u304b\u305f<\/h2>\n
                                                \u3067\u306f\u3001\u5186\u5468\u7387 $\\pi$ \u306e\u8fd1\u4f3c\u5024\u3092\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u6c42\u3081\u3066\u307f\u3088\u3046\u3002$\\pi$ \u306e\u5c0f\u6570\u70b9\u4ee5\u4e0b\u6700\u521d\u306e15\u6841\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n
                                                \\pi = 3.14159\\ 26535\\ 89793\\ \\dotsb\r\n<\/code><\/pre>\n
                                                \u6700\u521d\u306b\u65ad\u3063\u3066\u304a\u304f\u3068\u3001\u4eca\u56de\u306f\u7c21\u5358\u306e\u305f\u3081\u306b64\u30d3\u30c3\u30c8\u6d6e\u52d5\u5c0f\u6570\u70b9\u578b\u306e\u6570\u5024\u3092\u7528\u3044\u308b\u306e\u3067\u3001\u3044\u304f\u3089\u8a08\u7b97\u3092\u7d9a\u3051\u3066\u3082\u5927\u3057\u305f\u7cbe\u5ea6\u306f\u5f97\u3089\u308c\u306a\u3044\u3002\u8a66\u3057\u305f\u7bc4\u56f2\u3067\u306f\u3001\u5c0f\u6570\u70b9\u4ee5\u4e0b\uff18\u6841\u304f\u3089\u3044\u307e\u3067\u304c\u9650\u754c\u306e\u3088\u3046\u3060\u3002<\/p>\n
                                                \u8a08\u7b97\u65b9\u6cd5\u306f\u3001\u6570\u5024\u7a4d\u5206\u6cd5\u306e\u9577\u65b9\u5f62\u8fd1\u4f3c\uff08\u5de6\u70b9\u5247\uff09\u3092\u63a1\u7528\u3059\u308b\u3002\u3053\u3046\u66f8\u304f\u3068\u96e3\u3057\u305d\u3046\u306b\u601d\u3048\u308b\u304c\u3001\u610f\u5916\u306b\u7c21\u5358\u3060\u3002<\/p>\n
                                                \u307e\u305a\u534a\u5f84 $r = \uff11$ \u306e\u5186\u3092\u8003\u3048\u308b\u3002\u5186\u306e\u9762\u7a4d $S$ \u3092\u6c42\u3081\u308b\u516c\u5f0f\u306b\u4ee3\u5165\u3059\u308b\u3068\u3001\u3053\u306e\u6761\u4ef6\u3067\u306f $S = \\pi$ \u306b\u306a\u308b\u3068\u308f\u304b\u308b\u3002<\/p>\n
                                                \\begin{eqnarray}\r\nS &=& \\pi \\cdot r^2 \\\\\r\n&=& \\pi \\cdot 1 \\\\\r\n&=& \\pi\r\n\\end{eqnarray}\r\n<\/code><\/pre>\n
                                                \u3053\u306e\u5186\u3092\u4e2d\u5fc3\u304b\u3089\uff14\u3064\u306b\u5206\u5272\u3057\u3001\u305d\u306e\uff11\u7247\uff08\u56db\u5206\u5186\u3001\u3057\u3076\u3093\u3048\u3093\uff09\u306e\u9762\u7a4d\u3092\u6570\u5024\u7a4d\u5206\u6cd5\u3067\u8fd1\u4f3c\u3059\u308b\u3002<\/p>\n
                                                \"circle_area.png\"<\/div>\n
                                                \u6570\u5024\u7a4d\u5206\u6cd5\u306e\u9577\u65b9\u5f62\u8fd1\u4f3c\u306f\u3001\u9762\u7a4d\u3092\u6c42\u3081\u305f\u3044\u7bc4\u56f2\uff08\u56f3\u306e\u56db\u5206\u5186\uff09\u3092 $X$ \u8ef8\u65b9\u5411\u306b $N$ \u7b49\u5206\u3057\u3001\u9577\u65b9\u5f62\u3092\u6577\u304d\u8a70\u3081\u3066\u3001\u305d\u308c\u3089\u306e\u9762\u7a4d\u306e\u548c\u3067\u8fd1\u4f3c\u3059\u308b\u65b9\u6cd5\u3002\u5de6\u70b9\u5247\u3067\u306f\u3001\u9577\u65b9\u5f62\u306e\u5de6\u4e0a\u306e\u70b9\u304c\u3001\u5883\u754c\u306b\u63a5\u3059\u308b\u3088\u3046\u306b\u3059\u308b\u3002\u56f3\u3067\u308f\u304b\u308b\u3088\u3046\u306b\u3001\u306f\u307f\u51fa\u3057\u305f\u90e8\u5206\u306f\u8aa4\u5dee\u306b\u306a\u308b\u3002\u5206\u5272\u6570\u3092\u5897\u3084\u3059\u307b\u3069\u8aa4\u5dee\u304c\u5c0f\u3055\u304f\u306a\u308b\u304c\u3001\u305d\u306e\u5206\u3001\u8a08\u7b97\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n
                                                \u5177\u4f53\u7684\u306a\u5f0f\u306b\u843d\u3068\u3057\u3066\u3044\u3053\u3046\u3002\u5186\u306e\u4e2d\u5fc3\uff08\u56f3\u306e\u5de6\u4e0b\uff09\u304c $ XY$ \u5ea7\u6a19\u306e\u539f\u70b9\u3068\u3059\u308b\u3002$N$ \u500b\u306b\u5206\u5272\u3057\u305f\u56db\u5206\u5186\u306e\u9762\u7a4d\u3092 $S_0$\u3001\u500b\u3005\u306e\u9577\u65b9\u5f62\u306e\u5e45\u3092 $w$\u3001\u5de6\u7aef\u306e\u9577\u65b9\u5f62\u306e\u5de6\u4e0a\u306e\u9802\u70b9\u3092 $(x_0, y_0)$\u3001 \u53f3\u7aef\u306e\u9577\u65b9\u5f62\u306e\u5de6\u4e0a\u306e\u9802\u70b9\u3092 $(x_{n-1}, y_{n-1})$ \u3068\u3059\u308b\u3068\u3001\u5186\u5468\u7387 $\\pi $ \u306f\u3001\u4ee5\u4e0b\u306e\u5f0f\u3067\u6c42\u3081\u3089\u308c\u308b\u3002<\/p>\n
                                                \\begin{eqnarray}\r\n\\pi &=& 4 \\cdot S_0 \\\\\r\n&=& 4 \\cdot (w \\cdot y_0 + w \\cdot y_1 + \\dotsb + w \\cdot y_{n-1}) \\\\\r\n&=& 4 \\cdot w \\cdot (y_0 + y_1 + \\dotsb + y_{n-1})\\\\\r\n\\end{eqnarray}\r\n<\/code><\/pre>\n
                                                \u3042\u3068\u306f $x$ \u304b\u3089 $y$ \u3092\u5c0e\u304f\u65b9\u6cd5\u304c\u308f\u304b\u308c\u3070\u3044\u3044\u3002$X$ \u8ef8\u3068 $Y$ \u8ef8\u306f\u76f4\u89d2\u306b\u4ea4\u308f\u308b\u306e\u3067\u3001\uff13\u3064\u306e\u5ea7\u6a19 $(0, 0), (x_i, 0), (x_i, y_i)$ \u3092\u7d50\u3076\u3068\u3001\u5404\u8fba\u306e\u9577\u3055\u304c $x_i,\\ y_i,\\ r$ \u306e\u76f4\u89d2\u4e09\u89d2\u5f62\u304c\u3067\u304d\u308b\u3002\u8fba\u306e\u9577\u3055\u306e\u95a2\u4fc2\u306f\u3001\u4e09\u5e73\u65b9\u306e\u5b9a\u7406\u306b\u3088\u308a\u3001$x^2 + y^2 = r^2$ \u3068\u306a\u308b\u3002$r = 1$ \u3068\u3057\u3001\u5f0f\u3092\u5909\u5f62\u3059\u308c\u3070\u3044\u3044\u3002<\/p>\n
                                                \\begin{eqnarray}\r\nx^2 + y^2 &=& r^2 \\\\\r\nx^2 + y^2 &=& 1 \\\\\r\ny^2 &=& 1 - x^2 \\\\\r\ny &=& \\sqrt{1 - x ^ 2}\r\n\\end{eqnarray}\r\n<\/code><\/pre>\n
                                                \u305d\u306e\uff11\u3000Elixir\uff1a\u30b7\u30f3\u30b0\u30eb\u30d7\u30ed\u30bb\u30b9\u3067\u8a08\u7b97<\/h2>\n
                                                \u5186\u5468\u7387\u306e\u6c42\u3081\u65b9\u304c\u308f\u304b\u3063\u305f\u3068\u3053\u308d\u3067\u3001\u65e9\u901f\u3001Elixir \u3067\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3057\u3088\u3046\u3002\u4eca\u56de\u4f7f\u3063\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3001\u3053\u3053\u306b \u7f6e\u3044\u3066\u3042\u308b\u3002<\/p>\n
                                                \u30d9\u30fc\u30b9\u3068\u306a\u308b Elixir \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b Elixir \u306e Mix \u3067\u4f5c\u6210\u3057\u305f\u3002<\/p>\n
                                                mix new elixir_rust_interop_demo\r\n<\/span><\/code><\/pre>\n
                                                \u3059\u308b\u3068\u3001\u3053\u3093\u306a\u69cb\u6210\u306b\u306a\u308b\u3002<\/p>\n
                                                elixir_rust_interop_demo\r\n\u251c\u2500\u2500 README.md\r\n\u251c\u2500\u2500 config\r\n\u2502\u00a0\u00a0 \u2514\u2500\u2500 config.exs\r\n\u251c\u2500\u2500 lib\r\n\u2502\u00a0\u00a0 \u2514\u2500\u2500 elixir_rust_interop_demo.exs <-- pi.ex \u306b\u30ea\u30cd\u30fc\u30e0\u3057\u3066\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u3066\u3044\u304f\r\n\u251c\u2500\u2500 mix.exs\r\n\u2514\u2500\u2500 test\r\n<\/code><\/pre>\n
                                                lib \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u306b Elixir \u306e\u30bd\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb elixir_rust_interop_demo.ex \u304c\u3042\u308b\u306e\u3067\u3001\u305d\u308c\u3092 pi.ex \u306b\u30ea\u30cd\u30fc\u30e0\u3057\u3001\u4ee5\u4e0b\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304d\u8fbc\u3080\u3002<\/p>\n
                                                defmodule<\/span> Pi<\/span> do<\/span>\r\n\r\n  @spec<\/span> calc_pi<\/span>(<\/span>n<\/span> ::<\/span> non_neg_integer<\/span>)<\/span> ::<\/span> {<\/span>:ok<\/span>,<\/span> pi<\/span> ::<\/span> float<\/span>}<\/span>\r\n  def<\/span> calc_pi<\/span>(<\/span>n<\/span>)<\/span> do<\/span>\r\n    w<\/span> =<\/span> 1.0<\/span> \/<\/span> n<\/span>\r\n    s0<\/span> =<\/span> 0.0<\/span>\r\n    s1<\/span> =<\/span> Enum<\/span>.<\/span>reduce<\/span>(<\/span>0<\/span>..<\/span>(<\/span>n<\/span> -<\/span> 1<\/span>),<\/span> s0<\/span>,<\/span> fn<\/span>(<\/span>i<\/span>,<\/span> s<\/span>)<\/span> -><\/span>\r\n      x<\/span> =<\/span> i<\/span> *<\/span> w<\/span>\r\n      s<\/span> +<\/span> :math<\/span>.<\/span>sqrt<\/span>(<\/span>1.0<\/span> -<\/span> x<\/span> *<\/span> x<\/span>)<\/span>\r\n    end<\/span>)<\/span>\r\n    {<\/span>:ok<\/span>,<\/span> 4.0<\/span> *<\/span> w<\/span> *<\/span> s1<\/span>}<\/span>\r\n  end<\/span>\r\n\r\nend<\/span>\r\n<\/code><\/pre>\n
                                                \u65e9\u901f\u5b9f\u884c\u3057\u3066\u307f\u3088\u3046\u3002<\/p>\n
                                                % iex -S mix\r\nErlang\/OTP 18 [erts-7.2.1] [source] [64-bit] [smp:8:8] [ds:8:8:10] [async-threads:10] [hipe] [kernel-poll:false]\r\n\r\nCompiled lib\/pi.ex\r\nGenerated elixir_rust_interop_demo app\r\nConsolidated List.Chars\r\n...\r\n\r\nInteractive Elixir (1.2.0) - press Ctrl+C to exit (type h() ENTER for help)\r\niex(1)> l Pi\r\n{:module, Pi}\r\niex(2)> :timer.tc(fn() -> Pi.calc_pi(1_000_000) end)\r\n{112146, {:ok, 3.141594652413976}}\r\niex(3)> :timer.tc(fn() -> Pi.calc_pi(1_000_000_000) end)\r\n{113853091, {:ok, 3.1415926555901215}}\r\n<\/code><\/pre>\n
                                                100\u4e07\u500b\u306b\u5206\u5272\u3057\u305f\u5834\u5408\u306f\u3001\u8a08\u7b97\u306b 112,146 \u30de\u30a4\u30af\u30ed\u79d2\uff080.11\u79d2\uff09\u8981\u3057\u3001\u5c0f\u6570\u70b9\u4ee5\u4e0b\uff15\u6841\u7a0b\u5ea6\u306e\u7cbe\u5ea6\u304c\u5f97\u3089\u308c\u305f\u300210\u5104\u500b\u306b\u5206\u5272\u3057\u305f\u5834\u5408\u306f\u3001\u8a08\u7b97\u306b\u7d04\uff11\u520654\u79d2\u8981\u3057\u3001\u5c0f\u6570\u70b9\u4ee5\u4e0b\uff18\u6841\u7a0b\u5ea6\u306e\u7cbe\u5ea6\u304c\u5f97\u3089\u308c\u305f\u3002\u306a\u304a\u3001Elixir \u306e float \u578b\u306f\u300164\u30d3\u30c3\u30c8\u306eIEEE 754\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306a\u306e\u3067\u3001\u4e00\u822c\u7684\u306a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306e double \u578b\u306b\u76f8\u5f53\u3059\u308b\u3002<\/p>\n
                                                \u30eb\u30fc\u30d7\u3092\u52b9\u7387\u5316\u3059\u308b<\/h3>\n
                                                \u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f10\u5104\u56de\u306e\u30eb\u30fc\u30d7\u3092\u56de\u3059\u305f\u3081\u306b Range 0..(n – 1) \u306b Enum.reduce\/3 \u3092\u9069\u7528\u3057\u305f\u304c\u3001Elixir 1.2 \u306e Range \u306e\u5b9f\u88c5\u3092\u898b\u308b\u3068\u3001\u30eb\u30fc\u30d7\u3092\u3072\u305f\u3059\u3089\u56de\u3059\u3088\u3046\u306a\u7528\u9014\u3067\u306f\u52b9\u7387\u304c\u60aa\u305d\u3046\u3060\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001\u3088\u308a\u52b9\u7387\u304c\u3044\u3044\u81ea\u4f5c\u306e\u9ad8\u968e\u95a2\u6570 for_each\/4 \u3067\u7f6e\u304d\u63db\u3048\u3066\u307f\u305f\u3002<\/p>\n
                                                  @spec<\/span> calc_pi<\/span>(<\/span>n<\/span> ::<\/span> non_neg_integer<\/span>)<\/span> ::<\/span> {<\/span>:ok<\/span>,<\/span> pi<\/span> ::<\/span> float<\/span>}<\/span>\r\n  def<\/span> calc_pi<\/span>(<\/span>n<\/span>)<\/span> do<\/span>\r\n    w<\/span> =<\/span> 1.0<\/span> \/<\/span> n<\/span>\r\n    s0<\/span> =<\/span> 0.0<\/span>\r\n    s1<\/span> =<\/span> for_each<\/span>(<\/span>0<\/span>,<\/span> n<\/span>,<\/span> s0<\/span>,<\/span> fn<\/span>(<\/span>i<\/span>,<\/span> s<\/span>)<\/span> -><\/span>    # <- \u3053\u3053\u3092\u5909\u66f4\u3057\u305f<\/span>\r\n      x<\/span> =<\/span> i<\/span> *<\/span> w<\/span>\r\n      s<\/span> +<\/span> :math<\/span>.<\/span>sqrt<\/span>(<\/span>1.0<\/span> -<\/span> x<\/span> *<\/span> x<\/span>)<\/span>\r\n    end<\/span>)<\/span>\r\n    {<\/span>:ok<\/span>,<\/span> 4.0<\/span> *<\/span> w<\/span> *<\/span> s1<\/span>}<\/span>\r\n  end<\/span>\r\n\r\n  # \u3053\u306e\u9ad8\u968e\u95a2\u6570\u3092\u8ffd\u52a0\u3057\u305f<\/span>\r\n  @spec<\/span> for_each<\/span>(<\/span>index<\/span> ::<\/span> integer<\/span>,<\/span>\r\n                 max<\/span> ::<\/span> integer<\/span>,<\/span>\r\n                 init_acc<\/span> ::<\/span> term<\/span>,<\/span>\r\n                 ((<\/span>i<\/span> ::<\/span> integer<\/span>,<\/span> acc0<\/span> ::<\/span> term<\/span>)<\/span> -><\/span> acc1<\/span> ::<\/span> term<\/span>))<\/span>\r\n                ::<\/span> final_acc<\/span> ::<\/span> term<\/span>\r\n  defp<\/span> for_each<\/span>(<\/span>max<\/span>,<\/span> max<\/span>,<\/span> acc<\/span>,<\/span> _fun<\/span>)<\/span> do<\/span>\r\n    acc<\/span>\r\n  end<\/span>\r\n  defp<\/span> for_each<\/span>(<\/span>i<\/span>,<\/span> max<\/span>,<\/span> acc<\/span>,<\/span> fun<\/span>)<\/span> do<\/span>\r\n    for_each<\/span>(<\/span>i<\/span> +<\/span> 1<\/span>,<\/span> max<\/span>,<\/span> fun<\/span>.<\/span>(<\/span>i<\/span>,<\/span> acc<\/span>),<\/span> fun<\/span>)<\/span>\r\n  end<\/span>\r\n<\/code><\/pre>\n
                                                \u5b9f\u884c\u3057\u3066\u307f\u3088\u3046\u3002<\/p>\n
                                                iex(1)> l Pi\r\n{:module, Pi}\r\niex(2)> :timer.tc(fn() -> Pi.calc_pi(1_000_000_000) end)\r\n{77341972, {:ok, 3.1415926555901215}}\r\n<\/code><\/pre>\n
                                                10\u5104\u5206\u5272\u6642\u306e\u8a08\u7b97\u6642\u9593\u306f\u7d0477.3\u79d2\u3068\u306a\u308a\u3001\u5148\u307b\u3069\u3068\u6bd4\u3079\u3066 1.5 \u500d\u307b\u3069\u9ad8\u901f\u5316\u3057\u305f\u3002<\/p>\n
                                                \u305d\u306e\uff12\u3000Elixir\uff1a\u30de\u30eb\u30c1\u30d7\u30ed\u30bb\u30b9\u3067\u8a08\u7b97<\/h2>\n
                                                \u305b\u3063\u304b\u304f\u30de\u30b7\u30f3\u304c\uff18\u500b\u306e\u8ad6\u7406\u30b3\u30a2\u3092\u642d\u8f09\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u5168\u90e8\u4f7f\u3063\u3066\u307f\u3088\u3046\u3002\u8907\u6570\u306e\u8efd\u91cf\u30d7\u30ed\u30bb\u30b9\u3092\u8d77\u52d5\u3057\u3066\u3001\u9762\u7a4d\u3092\u5206\u5272\u3057\u3066\u6c42\u3081\u308c\u3070\u3044\u3044\u3002Elixir \u306a\u3089\u76f4\u611f\u7684\u306b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u304d\u308b\u3002<\/p>\n
                                                \u307e\u305a\u3001calc_pi\/1 \u3092\u5143\u306b\u3001\u56db\u5206\u5186\u306e\u4e00\u90e8\u306e\u7bc4\u56f2\u3060\u3051\u306e\u9762\u7a4d\u3092\u6c42\u3081\u308b\u30d7\u30ed\u30b0\u30e9\u30e0 calc_pi_range\/3 \u3092\u8ffd\u52a0\u3059\u308b\u3002\u3053\u306e\u95a2\u6570\u306f\u3001\u5bfe\u8c61\u9818\u57df\u3092 n \u7b49\u5206\u3057\u3066\u3001offset \u756a\u76ee\u304b\u3089 count \u500b\u5206\u306e\u77ed\u5f62\u306b\u3064\u3044\u3066\u3001\u305d\u306e\u9762\u7a4d\u3092\u7b97\u51fa\u3059\u308b\u3002<\/p>\n
                                                  @spec<\/span> calc_pi_range<\/span>(<\/span>n<\/span> ::<\/span> non_neg_integer<\/span>,<\/span>\r\n                      offset<\/span> ::<\/span> non_neg_integer<\/span>,<\/span>\r\n                      count<\/span> ::<\/span> non_neg_integer<\/span>)<\/span> ::<\/span> pi<\/span> ::<\/span> float<\/span>\r\n  def<\/span> calc_pi_range<\/span>(<\/span>n<\/span>,<\/span> offset<\/span>,<\/span> count<\/span>)<\/span> do<\/span>\r\n    w<\/span> =<\/span> 1.0<\/span> \/<\/span> n<\/span>\r\n    s0<\/span> =<\/span> 0.0<\/span>\r\n    s1<\/span> =<\/span> for_each<\/span>(<\/span>offset<\/span>,<\/span> offset<\/span> +<\/span> count<\/span>,<\/span> s0<\/span>,<\/span> fn<\/span>(<\/span>i<\/span>,<\/span> s<\/span>)<\/span> -><\/span>\r\n      x<\/span> =<\/span> i<\/span> *<\/span> w<\/span>\r\n      s<\/span> +<\/span> :math<\/span>.<\/span>sqrt<\/span>(<\/span>1.0<\/span> -<\/span> x<\/span> *<\/span> x<\/span>)<\/span>\r\n    end<\/span>)<\/span>\r\n    4.0<\/span> *<\/span> w<\/span> *<\/span> s1<\/span>\r\n  end<\/span>\r\n<\/code><\/pre>\n
                                                \u6b21\u306b calc_pi_range\/3 \u3092\u547c\u3073\u51fa\u3059\u95a2\u6570 calc_pi_parallel\/2 \u3092\u8ffd\u52a0\u3059\u308b\u3002\u3053\u306e\u95a2\u6570\u306f\u3001num_procs \u500b\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u7acb\u3061\u4e0a\u3052\u3001calc_pi_range\/3 \u3092 parallel \u306b\u5b9f\u884c\u3059\u308b\u3002<\/p>\n
                                                  @max_procs<\/span>  1024<\/span>\r\n  @timeout<\/span>  60_000<\/span>   # 1 minute<\/span>\r\n\r\n  @spec<\/span> calc_pi_parallel<\/span>(<\/span>n<\/span> ::<\/span> non_neg_integer<\/span>,<\/span>\r\n                         num_procs<\/span> ::<\/span> non_neg_integer<\/span>)<\/span> ::<\/span> {<\/span>:ok<\/span>,<\/span> pi<\/span> ::<\/span> float<\/span>}<\/span>\r\n                                                           |<\/span> {<\/span>:error<\/span>,<\/span> term<\/span>()}<\/span>\r\n  # num_process \u306e\u5024\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u7bc4\u56f2\u5916\u306a\u3089\u30a8\u30e9\u30fc\u3092\u8fd4\u3059\u3002<\/span>\r\n  def<\/span> calc_pi_parallel<\/span>(<\/span>_n<\/span>,<\/span> num_procs<\/span>)<\/span> when<\/span> num_procs<\/span> <=<\/span> 0<\/span> or<\/span> num_procs<\/span> ><\/span> @max_procs<\/span> do<\/span>\r\n    {<\/span>:error<\/span>,<\/span>\r\n     'Invalid num_procs <\/span>#{<\/span>num_procs<\/span>}<\/span>. It must be > 0 and <= <\/span>#{<\/span>@max_procs<\/span>}<\/span>'<\/span>}<\/span>\r\n  end<\/span>\r\n  def<\/span> calc_pi_parallel<\/span>(<\/span>n<\/span>,<\/span> num_procs<\/span>)<\/span> when<\/span> rem<\/span>(<\/span>n<\/span>,<\/span> num_procs<\/span>)<\/span> !=<\/span> 0<\/span> do<\/span>\r\n    {<\/span>:error<\/span>,<\/span> 'n <\/span>#{<\/span>n<\/span>}<\/span> must be a multiple of num_procs <\/span>#{<\/span>num_procs<\/span>}<\/span>'<\/span>}<\/span>\r\n  end<\/span>\r\n\r\n  # num_process \u306e\u5024\u304c\u7bc4\u56f2\u5185\u306a\u306e\u3067\u3001calc_pi_range\/3 \u3092 parallel \u306b\u5b9f\u884c\u3059\u308b\u3002<\/span>\r\n  def<\/span> calc_pi_parallel<\/span>(<\/span>n<\/span>,<\/span> num_procs<\/span>)<\/span> do<\/span>\r\n    len<\/span> =<\/span> div<\/span>(<\/span>n<\/span>,<\/span> num_procs<\/span>)<\/span>\r\n    pi<\/span> =<\/span> 0<\/span>..<\/span>(<\/span>num_procs<\/span> -<\/span> 1<\/span>)<\/span>\r\n      |><\/span> Enum<\/span>.<\/span>map<\/span>(<\/span>&<\/span>(<\/span>Task<\/span>.<\/span>async<\/span>(<\/span>fn<\/span>()<\/span> -><\/span> Pi<\/span>.<\/span>calc_pi_range<\/span>(<\/span>n<\/span>,<\/span> len<\/span> *<\/span> &1<\/span>,<\/span> len<\/span>)<\/span> end<\/span>)))<\/span>\r\n      |><\/span> Enum<\/span>.<\/span>map<\/span>(<\/span>&<\/span>(<\/span>Task<\/span>.<\/span>await<\/span>(<\/span>&1<\/span>,<\/span> @timeout<\/span>)))<\/span>\r\n      |><\/span> Enum<\/span>.<\/span>sum<\/span>\r\n    {<\/span>:ok<\/span>,<\/span> pi<\/span>}<\/span>\r\n  end<\/span>\r\n<\/code><\/pre>\n
                                                \u30d7\u30ed\u30bb\u30b9\u3092\u7acb\u3061\u4e0a\u3052\u3066\u304b\u3089\u3001\u7d50\u679c\u3092\u8fd4\u3059\u307e\u3067\u306e\u30b3\u30fc\u30c9\u3092\u9806\u306b\u898b\u3066\u307f\u3088\u3046\u3002\u307e\u305a Task.async\/1 \u3067\u30d7\u30ed\u30bb\u30b9\u3092\u7acb\u3061\u4e0a\u3052\u3001<\/p>\n
                                                    pi<\/span> =<\/span> 0<\/span>..<\/span>(<\/span>num_procs<\/span> -<\/span> 1<\/span>)<\/span>\r\n      |><\/span> Enum<\/span>.<\/span>map<\/span>(<\/span>&<\/span>(<\/span>Task<\/span>.<\/span>async<\/span>(<\/span>fn<\/span>()<\/span> -><\/span> Pi<\/span>.<\/span>calc_pi_range<\/span>(<\/span>n<\/span>,<\/span> len<\/span> *<\/span> &1<\/span>,<\/span> len<\/span>)<\/span> end<\/span>)))<\/span>\r\n<\/code><\/pre>\n
                                                Task.await\/2 \u3067\u7d50\u679c\u3092\u96c6\u3081\u3001<\/p>\n
                                                      |><\/span> Enum<\/span>.<\/span>map<\/span>(<\/span>&<\/span>(<\/span>Task<\/span>.<\/span>await<\/span>(<\/span>&1<\/span>,<\/span> @timeout<\/span>)))<\/span>\r\n<\/code><\/pre>\n
                                                Enum.sum\/1 \u3067\u5408\u8a08\u3059\u308b\u3002<\/p>\n
                                                      |><\/span> Enum<\/span>.<\/span>sum<\/span>\r\n<\/code><\/pre>\n
                                                10\u5104\u5206\u5272\u300110\u30d7\u30ed\u30bb\u30b9\u3067\u306e\u5b9f\u884c\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n
                                                iex(2)> :timer.tc(fn() -> Pi.calc_pi_parallel(1_000_000_000, 10) end)\r\n{29298379, {:ok, 3.141592655589816}}\r\n<\/code><\/pre>\n
                                                \u7d0429.3\u79d2\u3067\u3001\u30b7\u30f3\u30b0\u30eb\u30d7\u30ed\u30bb\u30b9\u6642\u306e\u7d042.6\u500d\u306e\u901f\u5ea6\u3068\u306a\u3063\u305f\u3002\u8ad6\u7406\u30b3\u30a2\u304c\uff18\u500b\u3068\u306f\u3044\u3048\u3001\u5b9f\u30b3\u30a2\u306f\uff14\u500b\u306a\u306e\u3067\u3001\u3053\u306e\u304f\u3089\u3044\u304c\u73fe\u5b9f\u7684\u306a\u306e\u3060\u308d\u3046\u304b\u3002top \u30b3\u30de\u30f3\u30c9\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u305f\u3002<\/p>\n
                                                  PID USERNAME       THR PRI NICE   SIZE    RES STATE   C   TIME    WCPU COMMAND\r\n 2921 tatsuya         41  20    0   268M 72688K uwait   2   2:14 710.87% beam.smp\r\n<\/span><\/code><\/pre>\n
                                                \u305d\u306e\u5f8c\u3001\u30d7\u30ed\u30bb\u30b9\u6570\u309220\u300140\u3068\u5897\u3084\u3057\u3066\u307f\u305f\u304c\u3001\u7d50\u679c\u306f\u540c\u3058\u3060\u3063\u305f\u3002<\/p>\n
                                                \u305d\u306e\uff13\u3000Elixir\uff1aHiPE \u3067\u30cd\u30a4\u30c6\u30a3\u30d6\u30b3\u30fc\u30c9\u5316<\/h2>\n
                                                Elixir \u306e\u307e\u307e\u3001\u3082\u3046\u5c11\u3057\u9811\u5f35\u3063\u3066\u307f\u3088\u3046\u3002\u3068\u3044\u3063\u3066\u3082\u9811\u5f35\u308b\u306e\u306f\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u3067\u3042\u3063\u3066\u3001\u79c1\u305f\u3061\u3067\u306f\u306a\u3044\u3002\u30b3\u30fc\u30c9\u306e\u5909\u66f4\u306f\u4e0d\u8981\u3060\u3002<\/p>\n
                                                HiPE\uff08High Performance Erlang\uff09\u3092\u4f7f\u3063\u3066\u3001beam\u30d5\u30a1\u30a4\u30eb\u5185\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u6e08\u307f\u30b3\u30fc\u30c9\u3092\u3001\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30d0\u30a4\u30c8\u30b3\u30fc\u30c9\u304b\u3089\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u30b3\u30fc\u30c9\u306b\u5909\u63db\u3059\u308b\u3002\u306a\u304a\u3001\u3053\u306e\u6a5f\u80fd\u3092\u4f7f\u3046\u305f\u3081\u306b\u306f\u3001Erlang\/OTP \u306e\u30d3\u30eb\u30c9\u6642\u306b\u3001–enable-hipe \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4e0e\u3048\u3066\u304a\u304b\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3002\u307e\u305f\u3001–enable-native-libs \u3082\u6307\u5b9a\u3059\u308b\u3068\u3001Erlang\/OTP \u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u306e\u5927\u534a(\uff1f)\u304c HiPE \u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u308b\u3002<\/p>\n
                                                \u3067\u306f\u3001iex \u3092\u7acb\u3061\u4e0a\u3052\u305f\u307e\u307e\u3001\u8a72\u5f53\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u307f HiPE \u5316\u3057\u3088\u3046\u3002\u5225\u306e\u30bf\u30fc\u30df\u30ca\u30eb\u304b\u3089\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3002<\/p>\n
                                                cd elixir_rust_interop_demo\r\nERL_COMPILER_OPTIONS=\"[native, {hipe, [o3]}]\" elixirc -o _build\/dev\/lib\/elixir_rust_interop_demo\/ebin\/ lib\/pi.ex\r\n<\/span><\/code><\/pre>\n
                                                iex \u304b\u3089\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30ea\u30ed\u30fc\u30c9\u3057\u3066\u3001\u518d\u5ea6\u5b9f\u884c\u3059\u308b\u3002<\/p>\n
                                                iex(3)> l Pi\r\n{:module, Pi}\r\niex(4)> :code.is_module_native(Pi)\r\ntrue\r\niex(5)> :timer.tc(fn() -> Pi.calc_pi_parallel(1_000_000_000, 10) end)\r\n{15226457, {:ok, 3.141592655589816}}\r\n<\/code><\/pre>\n
                                                \u5b9f\u884c\u6642\u9593\u306f\u7d0415\u79d2\u3068\u3044\u3046\u3053\u3068\u3067\u3001HiPE \u524d\u3068\u6bd4\u3079\u308b\u3068\u7d041.9\u500d\u306e\u5b9f\u884c\u901f\u5ea6\u306b\u306a\u3063\u305f\u3002\u3053\u306e\u3088\u3046\u306b\u8a08\u7b97\u304c\u91cd\u3044\uff08CPU bound \u306a\uff09\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u3001HiPE \u306e\u52b9\u679c\u304c\u5927\u304d\u304f\u3067\u308b\u3002<\/p>\n
                                                \u305d\u306e\uff14\u3000Elixir \u304b\u3089 Rust \u306e\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u547c\u3073\u51fa\u3059<\/h2>\n
                                                \u3067\u306f\u3044\u3088\u3044\u3088 Rust \u3067\u66f8\u3044\u3066\u307f\u308b\u3002\u307e\u305a\u3001Rust \u95a2\u9023\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u683c\u7d0d\u3059\u308b\u5834\u6240\u3092\u4f5c\u308d\u3046\u3002<\/p>\n
                                                rust_src \u3068 priv \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3092\u8ffd\u52a0\u3059\u308b<\/h3>\n
                                                Elixir \u3084 Erlang \u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067 C\u8a00\u8a9e\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u683c\u7d0d\u3059\u308b\u6642\u306f\u3001c_src \u3068\u3044\u3046\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3092\u4f7f\u3046\u306e\u304c\u4e00\u822c\u7684\u3060\u3002\u305d\u308c\u306b\u306a\u3089\u3063\u3066\u3001rust_src \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3092\u4f7f\u3046\u3053\u3068\u306b\u3059\u308b\u3002<\/p>\n
                                                Rust \u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092 Cargo \u3067\u4f5c\u6210\u3059\u308b\u3002elixir_rust_interop_demo \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u5185\u3067\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3002<\/p>\n
                                                cargo new --name pi rust_src\r\n<\/span><\/code><\/pre>\n
                                                \u3055\u3089\u306b\u3001Rust \u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30d3\u30eb\u30c9\u3067\u4f5c\u6210\u3055\u308c\u308b\u6210\u679c\u7269\uff08\u52d5\u7684\u30ed\u30fc\u30c9\u306e\u5171\u6709\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\uff09\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u3001priv \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u7528\u610f\u3059\u308b\u3002<\/p>\n
                                                mkdir priv\r\ntouch priv\/.gitsave\r\n<\/span><\/code><\/pre>\n
                                                \u3053\u306e\u5f8c\u3001\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u3044\u304f\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u69cb\u6210\u306b\u306a\u308b\u306f\u305a\u3060\u3002<\/p>\n
                                                elixir_rust_interop_demo\r\n\u251c\u2500\u2500 README.md\r\n\u251c\u2500\u2500 _build\r\n\u2502\u00a0\u00a0 \u2514\u2500\u2500 ...\r\n\u251c\u2500\u2500 config\r\n\u2502\u00a0\u00a0 \u2514\u2500\u2500 config.exs\r\n\u251c\u2500\u2500 lib\r\n\u2502\u00a0\u00a0 \u251c\u2500\u2500 pi.ex         <-- \u3044\u307e\u307e\u3067\u66f8\u3044\u305f Elixir \u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30bd\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb\r\n\u2502\u00a0\u00a0 \u2514\u2500\u2500 pi_nif.ex     <-- \u3053\u308c\u304b\u3089\u8ffd\u52a0\u3059\u308b Elixir \u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30bd\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb\r\n\u251c\u2500\u2500 mix.exs\r\n\u251c\u2500\u2500 priv\r\n\u2502\u00a0\u00a0 \u2514\u2500\u2500 libpi_nif.so  <-- \u30b3\u30f3\u30d1\u30a4\u30eb\u6e08\u307f\u306e Rust \u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u683c\u7d0d\u3055\u308c\u305f\u3001\u5171\u6709\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\r\n\u251c\u2500\u2500 rust_src\r\n\u2502\u00a0\u00a0 \u251c\u2500\u2500 Cargo.lock\r\n\u2502\u00a0\u00a0 \u251c\u2500\u2500 Cargo.toml\r\n\u2502\u00a0\u00a0 \u251c\u2500\u2500 src\r\n\u2502\u00a0\u00a0 \u2502\u00a0\u00a0 \u251c\u2500\u2500 lib.rs    <-- \u3053\u308c\u304b\u3089\u8ffd\u52a0\u3059\u308b Rust \u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30bd\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb\r\n\u2502\u00a0\u00a0 \u2502\u00a0\u00a0 \u2514\u2500\u2500 pi.rs     <-- \u3053\u308c\u304b\u3089\u8ffd\u52a0\u3059\u308b Rust \u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30bd\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb\r\n\u2502\u00a0\u00a0 \u2514\u2500\u2500 target\r\n\u2502\u00a0\u00a0     \u2514\u2500\u2500 ...\r\n\u2514\u2500\u2500 test\r\n<\/code><\/pre>\n
                                                \u5186\u5468\u7387\u8fd1\u4f3c\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u79fb\u690d<\/h3>\n
                                                \u307e\u305a\u306f\u3001Elixir \u306e\u30de\u30eb\u30c1\u30d7\u30ed\u30bb\u30b9\u7248\u30d7\u30ed\u30b0\u30e9\u30e0\u3092 Rust \u306b\u79fb\u690d\u3059\u308b\u3002rust_src\/src\/pi.rs \u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u3044\u3066\u3044\u304f\u304c\u3001\u3053\u308c\u306f\u7c21\u5358\u306a\u4f5c\u696d\u3060\u3002\u3068\u3044\u3046\u306e\u306f\u3001Rust \u306f Elixir \u3068\u540c\u69d8\u306b\u30e2\u30c0\u30f3\u306a\u8a00\u8a9e\u3067\u3001\u3057\u304b\u3082\u95a2\u6570\u578b\u8a00\u8a9e\u306e\u5f71\u97ff\u3092\u5f37\u304f\u53d7\u3051\u3066\u3044\u308b\u304b\u3089\u3060\u3002\u307b\u3068\u3093\u3069\u540c\u3058\u611f\u899a\u3067\u66f8\u3051\u308b\u3002<\/p>\n
                                                calc_pi_range() \u306f Elixir \u3068\u307b\u3068\u3093\u3069\u540c\u3058\u3002<\/p>\n
                                                fn<\/span> calc_pi_range<\/span>(<\/span>n<\/span>:<\/span> u32<\/span>,<\/span> offset<\/span>:<\/span> u32<\/span>,<\/span> count<\/span>:<\/span> u32<\/span>)<\/span> -><\/span> f64<\/span> {<\/span>\r\n    let<\/span> w<\/span> =<\/span> 1.0<\/span> \/<\/span> (<\/span>n<\/span> as<\/span> f64<\/span>);<\/span>\r\n    let<\/span> mut<\/span> s<\/span> =<\/span> 0.0<\/span>;<\/span>\r\n    for<\/span> i<\/span> in<\/span> offset<\/span>..<\/span>(<\/span>offset<\/span> +<\/span> count<\/span>)<\/span> {<\/span>\r\n        let<\/span> x<\/span> =<\/span> (<\/span>i<\/span> as<\/span> f64<\/span>)<\/span> *<\/span> w<\/span>;<\/span>\r\n        s<\/span> +=<\/span> (<\/span>1.0<\/span> -<\/span> x<\/span> *<\/span> x<\/span>)<\/span>.sqrt<\/span>();<\/span>\r\n    }<\/span>\r\n    4.0<\/span> *<\/span> w<\/span> *<\/span> s<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                \u3082\u3046\u4e00\u65b9\u306e calc_pi_parallel() \u3082\u3001\u304b\u306a\u308a\u4f3c\u3066\u3044\u308b\u3002<\/p>\n
                                                use<\/span> std<\/span>::<\/span>thread<\/span>;<\/span>\r\n\r\nconst<\/span> MAX_THREADS<\/span>:<\/span> u32<\/span> =<\/span> 64<\/span>;<\/span>\r\n\r\n#[allow(dead_code)]<\/span>\r\npub<\/span> fn<\/span> calc_pi_parallel<\/span>(<\/span>n<\/span>:<\/span> u32<\/span>,<\/span> num_threads<\/span>:<\/span> u32<\/span>)<\/span> -><\/span> Result<\/span><<\/span>f64<\/span>,<\/span> String<\/span>><\/span> {<\/span>\r\n    if<\/span> num_threads<\/span> <=<\/span> 0<\/span> ||<\/span> num_threads<\/span> ><\/span> MAX_THREADS<\/span> {<\/span>\r\n        Err<\/span>(<\/span>format!<\/span>(<\/span>\"Invalid num_threads {}. It must be > 0 and <= {}\"<\/span>,<\/span>\r\n                    num_threads<\/span>,<\/span> MAX_THREADS<\/span>))<\/span>\r\n    }<\/span> else<\/span> if<\/span> n<\/span> %<\/span> num_threads<\/span> !=<\/span> 0<\/span> {<\/span>\r\n        Err<\/span>(<\/span>format!<\/span>(<\/span>\"n {} must be a multiple of num_threads {}\"<\/span>,<\/span>\r\n                    n<\/span>,<\/span> num_threads<\/span>))<\/span>\r\n    }<\/span> else<\/span> {<\/span>\r\n        let<\/span> len<\/span> =<\/span> n<\/span> \/<\/span> num_threads<\/span>;<\/span>\r\n        let<\/span> handles<\/span>:<\/span> Vec<\/span><<\/span>_<\/span>><\/span> =<\/span> (<\/span>0<\/span>..<\/span>num_threads<\/span>)<\/span>.map<\/span>(|<\/span>i<\/span>|<\/span> {<\/span>\r\n            thread<\/span>::<\/span>spawn<\/span>(<\/span>move<\/span> ||<\/span> {<\/span>\r\n                calc_pi_range<\/span>(<\/span>n<\/span>,<\/span> len<\/span> *<\/span> i<\/span>,<\/span> len<\/span>)<\/span>\r\n            })<\/span>\r\n        })<\/span>.collect<\/span>();<\/span>\r\n\r\n        let<\/span> results<\/span> =<\/span> handles<\/span>.into_iter<\/span>()<\/span>.map<\/span>(|<\/span>h<\/span>|<\/span> {<\/span> h<\/span>.join<\/span>()<\/span>.unwrap<\/span>()<\/span> });<\/span>\r\n        \/\/ std::iter::Iterator \u306e sum() \u306f Rust 1.5 \u3067\u306f unstable \u306b<\/span>\r\n        \/\/ \u6307\u5b9a\u3055\u308c\u3066\u304a\u308a\u4f7f\u3048\u306a\u3044\u3002\u4ee3\u308f\u308a\u306b fold() \u3092\u4f7f\u3046\u3002<\/span>\r\n        let<\/span> pi<\/span>:<\/span> f64<\/span> =<\/span> results<\/span>.into_iter<\/span>()<\/span>.fold<\/span>(<\/span>0.0<\/span>,<\/span> |<\/span>acc<\/span>,<\/span> p<\/span>|<\/span> {<\/span> acc<\/span> +<\/span> p<\/span> });<\/span>\r\n        Ok<\/span>(<\/span>pi<\/span>)<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                \u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u306e\u5b9f\u884c\u904e\u7a0b\u306b\u3064\u3044\u3066\u3001Eixir \u3068\u5bfe\u6bd4\u3055\u305b\u3066\u307f\u3088\u3046\u3002<\/p>\n
                                                \u307e\u305a\u3001num_threads \u500b\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u7acb\u3061\u4e0a\u3052\u3001calc_pi_range\/3 \u3092 parallel \u306b\u5b9f\u884c\u3059\u308b\u90e8\u5206\u3002\u3069\u3061\u3089\u3082\u30b7\u30fc\u30b1\u30f3\u30b9\u578b\u306b map \u3092\u9069\u7528\u3057\u3001Task.async\/1 \u307e\u305f\u306f thread::spawn() \u3067\u30b9\u30ec\u30c3\u30c9\u3092\u8d77\u52d5\u3057\u3066\u3044\u308b\u3002<\/p>\n
                                                    pi<\/span> =<\/span> 0<\/span>..<\/span>(<\/span>num_procs<\/span> -<\/span> 1<\/span>)<\/span>\r\n      |><\/span> Enum<\/span>.<\/span>map<\/span>(<\/span>&<\/span>(<\/span>Task<\/span>.<\/span>async<\/span>(<\/span>fn<\/span>()<\/span> -><\/span> Pi<\/span>.<\/span>calc_pi_range<\/span>(<\/span>n<\/span>,<\/span> len<\/span> *<\/span> &1<\/span>,<\/span> len<\/span>)<\/span> end<\/span>)))<\/span>\r\n<\/code><\/pre>\n
                                                        let<\/span> handles<\/span>:<\/span> Vec<\/span><<\/span>_<\/span>><\/span> =<\/span> (<\/span>0<\/span>..<\/span>num_threads<\/span>)<\/span>.map<\/span>(|<\/span>i<\/span>|<\/span> {<\/span>\r\n            thread<\/span>::<\/span>spawn<\/span>(<\/span>move<\/span> ||<\/span> {<\/span>\r\n                calc_pi_range<\/span>(<\/span>n<\/span>,<\/span> len<\/span> *<\/span> i<\/span>,<\/span> len<\/span>)<\/span>\r\n            })<\/span>\r\n        })<\/span>.collect<\/span>();<\/span>\r\n<\/code><\/pre>\n
                                                \u306a\u304a\u3001Rust \u3067\u306f\u8efd\u91cf\u30d7\u30ed\u30bb\u30b9\uff08\u30b0\u30ea\u30fc\u30f3\u30fb\u30b9\u30ec\u30c3\u30c9\uff09\u3067\u306f\u306a\u304f\u3001OS\u304c\u63d0\u4f9b\u3059\u308b\u30cd\u30a4\u30c6\u30a3\u30d6\u30fb\u30b9\u30ec\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u306e\u3067\u3001Elixir \u306e\u3088\u3046\u306b\u6570\u767e\u4e07\u500b\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u7a3c\u50cd\u3055\u305b\u308b\u3068\u3044\u3063\u305f\u82b8\u5f53\u306f\u3067\u304d\u306a\u3044\u3002\u4eca\u56de\u306f\u91cd\u3044\u8a08\u7b97\u51e6\u7406\u306a\u306e\u3067\u3001\u8ad6\u7406\u30b3\u30a2\u6570\u3092\u5c11\u3057\u8d85\u3048\u308b\u304f\u3089\u3044\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u8d70\u3089\u305b\u308c\u3070\u5341\u5206\u306a\u306e\u3067\u3001\u3053\u308c\u3067\u554f\u984c\u306a\u3044\u3002<\/p>\n
                                                \u3061\u306a\u307f\u306b\u3001Rust \u306e\u7121\u540d\u95a2\u6570\u30d6\u30ed\u30c3\u30af\u306f\u3001Ruby \u306e\u6587\u6cd5\u3092\u53c2\u8003\u306b\u3057\u305f\u305d\u3046\u3060\u3002<\/p>\n
                                                \u7d50\u679c\u3092\u96c6\u3081\u308b\u90e8\u5206\u3002\u3069\u3061\u3089\u3082\u30b9\u30ec\u30c3\u30c9\u306e\u30cf\u30f3\u30c9\u30eb\u306b map \u3092\u9069\u7528\u3002Task.await\/2 \u3068 join() \u304c\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002<\/p>\n
                                                      |><\/span> Enum<\/span>.<\/span>map<\/span>(<\/span>&<\/span>(<\/span>Task<\/span>.<\/span>await<\/span>(<\/span>&1<\/span>,<\/span> @timeout<\/span>)))<\/span>\r\n<\/code><\/pre>\n
                                                        let<\/span> results<\/span> =<\/span> handles<\/span>.into_iter<\/span>()<\/span>.map<\/span>(|<\/span>h<\/span>|<\/span> {<\/span> h<\/span>.join<\/span>()<\/span>.unwrap<\/span>()<\/span> });<\/span>\r\n<\/code><\/pre>\n
                                                \u5408\u8a08\u3059\u308b\u90e8\u5206\u3002<\/p>\n
                                                      |><\/span> Enum<\/span>.<\/span>sum<\/span>\r\n<\/code><\/pre>\n
                                                        \/\/ std::iter::Iterator \u306e sum() \u306f Rust 1.5 \u3067\u306f unstable \u306b<\/span>\r\n        \/\/ \u6307\u5b9a\u3055\u308c\u3066\u304a\u308a\u4f7f\u3048\u306a\u3044\u3002\u4ee3\u308f\u308a\u306b fold() \u3092\u4f7f\u3046\u3002<\/span>\r\n        let<\/span> pi<\/span>:<\/span> f64<\/span> =<\/span> results<\/span>.into_iter<\/span>()<\/span>.fold<\/span>(<\/span>0.0<\/span>,<\/span> |<\/span>acc<\/span>,<\/span> p<\/span>|<\/span> {<\/span> acc<\/span> +<\/span> p<\/span> });<\/span>\r\n<\/code><\/pre>\n
                                                Rust 1.5 \u3067\u306f\u3001\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4ed5\u69d8\u3068\u5b9f\u88c5\u306e\u5b89\u5b9a\u5316\u306e\u771f\u3063\u6700\u4e2d\u3067\u3001\u975e\u5b89\u5b9a\uff08unstable\uff09\u306b\u6307\u5b9a\u3055\u308c\u305f sum() \u306f\u3001\u5b89\u5b9a\u7248\u306e Rust \u3067\u306f\u4f7f\u7528\u3067\u304d\u306a\u3044\u3002\u4eca\u56de\u306f Elixir \u306e reduce\/3 \u306b\u76f8\u5f53\u3059\u308b fold() \u3092\u4f7f\u3063\u305f\u304c\u3001\u5b89\u5b9a\u5316\u304c\u9032\u3081\u3070\u3001\u3053\u3053\u306f sum() \u3067\u7f6e\u304d\u63db\u3048\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n
                                                calc_pi_parallel() \u306f\u7d50\u679c\u3092 Result<f64, String> \u578b\u3067\u8fd4\u3059\u3002\u3053\u306e\u578b\u306f\u5931\u6557\u3059\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u51e6\u7406\u3092\u6697\u793a\u3057\u3066\u304a\u308a\u3001\u6210\u529f\u6642\u306f Ok \u304c\u3001\u5931\u6557\u6642\u306f Err(String) \u304c\u8fd4\u308b\u3002Haskell \u3084 Scala \u306e Either \u578b\u3068\u540c\u3058\u30b3\u30f3\u30bb\u30d7\u30c8\u3060\u3002<\/p>\n
                                                Rust \u306a\u3069\u306e\u30cd\u30a4\u30c6\u30a3\u30d6\u95a2\u6570\u3092 Elixir \u304b\u3089\u547c\u3073\u51fa\u3059\uff13\u3064\u306e\u65b9\u6cd5<\/h3>\n
                                                Elixir \u3084 Erlang \u30e2\u30b8\u30e5\u30fc\u30eb\u304b\u3089\u3001Rust \u3084 C \u8a00\u8a9e\u306a\u3069\u3067\u66f8\u304b\u308c\u305f\u30cd\u30a4\u30c6\u30a3\u30d6\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u547c\u3073\u51fa\u306b\u306f\u3001\uff13\u3064\u306e\u65b9\u6cd5\u304b\u3042\u308b\u3002<\/p>\n
                                                Port Driver\uff1a \u6307\u5b9a\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092 Erlang VM \u3068\u306f\u5225\u306e\u30d7\u30ed\u30bb\u30b9\u3068\u3057\u3066\u7acb\u3061\u4e0a\u3052\u3001\u6a19\u6e96\u5165\u529b\u3068\u6a19\u6e96\u51fa\u529b\u3092\u4ecb\u3057\u3066\u60c5\u5831\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u65b9\u6cd5\u3002\u305f\u3068\u3048\u3070\u3001\u30d3\u30eb\u30c9\u30c4\u30fc\u30eb\u306e Mix \u3084 Rebar \u304c\u5916\u90e8\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u304d\u306b\u306f\u3053\u306e\u65b9\u6cd5\u3092\u4f7f\u3063\u3066\u3044\u308b\u3002<\/p>\n
                                                Port Linked-In Driver: \u5171\u6709\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u3092 Erlang VM \u306b\u8aad\u307f\u8fbc\u3093\u3067\u5b9f\u884c\u3059\u308b\u65b9\u6cd5\u306e\u3072\u3068\u3064\u3002\u53e4\u304f\u304b\u3089\u3042\u308a\u5341\u5206\u5b89\u5b9a\u3057\u3066\u3044\u308b\u3002OTP\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u30d5\u30a1\u30a4\u30ebIO\u306e\u30c9\u30e9\u30a4\u30d0\u30fc\u304c\u3053\u306e\u65b9\u5f0f\u3067\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u3002API\u304c\u82e5\u5e72\u8907\u96d1\u3060\u304c\u3001\u975e\u540c\u671f\u6027\u304c\u9ad8\u3044\u64cd\u4f5c\u3092\u5b9f\u88c5\u3057\u3084\u3059\u3044\u3002<\/p>\n
                                                NIF (Native Implemented Function): \u5171\u6709\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u3092 Erlang VM \u306b\u8aad\u307f\u8fbc\u3093\u3067\u3001\u5b9f\u884c\u3059\u308b\u3082\u3046\u3072\u3068\u3064\u306e\u65b9\u6cd5\u3002API\u304c\u6bd4\u8f03\u7684\u5358\u7d14\u3067\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u95a2\u6570\u3092\u540c\u671f\u5f0f\u306b\u547c\u3073\u51fa\u3059\u6642\u306b\u4fbf\u5229\u3002<\/p>\n
                                                Port Driver \u306f\u901a\u4fe1\u3092\u4ecb\u3059\u306e\u3067\u6027\u80fd\u9762\u3067\u306f\u4e0d\u5229\u3060\u304c\u3001\u5916\u90e8\u30b3\u30de\u30f3\u30c9\u304c\u30af\u30e9\u30c3\u30b7\u30e5\u3057\u3066\u3082 Erlang VM \u306b\u5f71\u97ff\u304c\u306a\u3044\u306e\u304c\u5229\u70b9\u3060\u3002<\/p>\n
                                                \u4ed6\u306e\uff12\u3064\u306e\u65b9\u6cd5\u306f\u52b9\u7387\u304c\u3044\u3044\u53cd\u9762\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30af\u30e9\u30c3\u30b7\u30e5\u3059\u308b\u3068\u3001Erlang VM \u307e\u3067\u30af\u30e9\u30c3\u30b7\u30e5\u3057\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u5b9f\u88c5\u306b\u7d30\u5fc3\u306e\u6ce8\u610f\u3092\u6255\u3046\u5fc5\u8981\u304c\u3042\u308b\u3002\u307e\u305f\u3069\u3061\u3089\u3082\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u95a2\u6570\u304c\u547c\u3073\u3060\u3055\u308c\u3066\u304b\u3089 1ms \u4ee5\u5185\u306b Erlang VM \u306b\u5236\u5fa1\u3092\u623b\u3055\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3068\u3044\u3046\u5236\u7d04\u304c\u3042\u308b\u3002\u3053\u308c\u306b\u3064\u3044\u3066\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u5bfe\u5fdc\u6cd5\u304c\u3042\u308b\u306e\u3060\u304c\u3001\u305d\u308c\u306f\u5f8c\u65e5\u3001\u5225\u306e\u8a18\u4e8b\u306b\u307e\u3068\u3081\u3088\u3046\u3068\u601d\u30463\u3002<\/p>\n
                                                \u4eca\u56de\u306f NIF \u3092\u4f7f\u3063\u3066\u5b9f\u88c5\u3059\u308b\u30021ms \u4ee5\u5185\u306b\u8fd4\u7b54\u5236\u7d04\u306e\u5bfe\u7b56\u3068\u3057\u3066\u3001Erlang\/OTP 17.0 \u304b\u3089\u5b9f\u9a13\u7684\u306b\u5c0e\u5165\u3055\u308c\u305f\u300cdirty scheduler\u300d\u306e\u6a5f\u80fd\u3092\u4f7f\u3046\u3002\u3053\u306e\u65b9\u6cd5\u3060\u3068\u30011ms \u306e\u5236\u7d04\u3092\u7121\u8996\u3057\u3066\u3082\u3001\u4e00\u5fdc\u3001\u554f\u984c\u306a\u304f\u52d5\u304f\u3082\u306e\u304c\u3067\u304d\u308b\u3002dirty scheduler \u3092\u6709\u52b9\u306b\u3059\u308b\u306b\u306f\u3001Erlang\/OTP \u306e\u30d3\u30eb\u30c9\u6642\u306b –enable-dirty-schedulers \u3092\u6307\u5b9a\u3059\u308b\u3002<\/p>\n
                                                Elixir \u5074\u3067 NIF \u3092\u547c\u3073\u51fa\u3059\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u5b9a\u7fa9\u3059\u308b<\/h3>\n
                                                \u307e\u305a\u3001Elixir \u5074\u3067\u3044\u307e\u307e\u3067 Pi \u3068\u3044\u3046\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u3044\u305f\u306e\u3060\u304c\u3001NIF \u7528\u306b\u65b0\u3057\u3044\u30e2\u30b8\u30e5\u30fc\u30eb PiNif \u3092\u7528\u610f\u3059\u308b\u3002\u3068\u3044\u3046\u306e\u306f\u3001HiPE \u3068 NIF \u306e\u76f8\u6027\u304c\u60aa\u304f\u3001HiPE \u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u305f\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3001NIF \u306e\u5171\u6709\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u3092\u30ed\u30fc\u30c9\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u304b\u3089\u30604\u3002HiPE \u7528\u3068\u3001NIF \u7528\u306b Elixir \u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u5206\u3051\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n
                                                defmodule<\/span> PiNif<\/span> do<\/span>\r\n\r\n  @on_load<\/span>   :init<\/span>\r\n\r\n  @mod<\/span>       PiNif<\/span>\r\n  @lib_name<\/span>  'pi_nif'<\/span>  # char list<\/span>\r\n\r\n  @spec<\/span> calc_pi_parallel<\/span>(<\/span>n<\/span> ::<\/span> non_neg_integer<\/span>,<\/span>\r\n                         num_threads<\/span> ::<\/span> non_neg_integer<\/span>)<\/span>\r\n                        ::<\/span> {<\/span>:ok<\/span>,<\/span> pi<\/span> ::<\/span> float<\/span>}<\/span> |<\/span> {<\/span>:error<\/span>,<\/span> term<\/span>()}<\/span> |<\/span> no_return<\/span>\r\n  def<\/span> calc_pi_parallel<\/span>(<\/span>_n<\/span>,<\/span> _num_threads<\/span>)<\/span> do<\/span>\r\n    :erlang<\/span>.<\/span>nif_error<\/span>({<\/span>:nif_not_loaded<\/span>,<\/span> @mod<\/span>})<\/span>\r\n  end<\/span>\r\n\r\n  def<\/span> init<\/span>()<\/span> do<\/span>\r\n    priv_dir<\/span> =<\/span> case<\/span> :code<\/span>.<\/span>priv_dir<\/span>(<\/span>@app<\/span>)<\/span> do<\/span>\r\n                 dir<\/span> when<\/span> is_list<\/span>(<\/span>dir<\/span>)<\/span> -><\/span>\r\n                   dir<\/span>\r\n                 {<\/span>:error<\/span>,<\/span> :bad_name<\/span>}<\/span> -><\/span>\r\n                   case<\/span> :code<\/span>.<\/span>which<\/span>(<\/span>@mod<\/span>)<\/span> do<\/span>\r\n                     :bad_name<\/span> -><\/span>\r\n                       '.\/priv'<\/span>\r\n                     :non_existing<\/span> -><\/span>\r\n                       '.\/priv'<\/span>\r\n                     dir<\/span> when<\/span> is_list<\/span>(<\/span>dir<\/span>)<\/span> -><\/span>\r\n                       :filename<\/span>.<\/span>join<\/span>([<\/span>:filename<\/span>.<\/span>dirname<\/span>(<\/span>dir<\/span>),<\/span> '..\/priv'<\/span>])<\/span>\r\n                   end<\/span>\r\n               end<\/span>\r\n    so_name<\/span> =<\/span> :filename<\/span>.<\/span>join<\/span>(<\/span>priv_dir<\/span>,<\/span> 'lib'<\/span> ++<\/span> @lib_name<\/span>)<\/span>\r\n    :erlang<\/span>.<\/span>load_nif<\/span>(<\/span>so_name<\/span>,<\/span> 0<\/span>)<\/span>\r\n  end<\/span>\r\n\r\nend<\/span>\r\n<\/code><\/pre>\n
                                                \u307e\u305a\u3001@on_load \u3067\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30ed\u30fc\u30c9\u6642\u306b\u5b9f\u884c\u3055\u308c\u308b\u95a2\u6570\u3092\u6307\u5b9a\u3059\u308b\u3002\u3053\u3053\u3067\u306f\u3001\u3054\u304f\u4e00\u822c\u7684\u306a\u540d\u524d init\/0 \u3068\u3057\u305f\u3002init\/0 \u306f :erlang.load_nif\/2 \u3092\u4f7f\u3063\u3066\u3001Rust \u3067\u66f8\u304b\u308c\u305f libpi_nif.so \u3068\u3044\u3046\u5171\u6709\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u3092\u30ed\u30fc\u30c9\u3059\u308b\u3002<\/p>\n
                                                calc_pi_parallel\/2 \u306f\u3001\u3053\u306e\u5f8c Rust \u5074\u3067\u3001\u3053\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u95a2\u6570\u3092\u66f8\u304f\u306e\u3067\u3001\u5171\u6709\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u304c\u30ed\u30fc\u30c9\u3055\u308c\u308b\u3068\u3001\u3053\u306e\u95a2\u6570\u306e\u5185\u5bb9\u304c\u5171\u6709\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u306e\u305d\u308c\u3067\u7f6e\u304d\u63db\u3048\u3089\u308c\u308b\u3002\u3082\u3057\u3046\u307e\u304f\u30ed\u30fc\u30c9\u3067\u304d\u306a\u304b\u3063\u305f\u6642\u306f\u30a8\u30e9\u30fc\u3092\u8fd4\u3057\u305f\u3044\u306e\u3067\u3001\u4e0a\u8a18\u306e\u3088\u3046\u306b :erlang.nif_error\/1 \u3092\u547c\u3076\u3088\u3046\u306b\u3057\u305f\u3002<\/p>\n
                                                NIF \u306e Glue \u95a2\u6570\u3092\u5b9f\u88c5\u3059\u308b<\/h3>\n
                                                glue \u95a2\u6570\uff08\u7cca\u4ed8\u3051\u95a2\u6570\uff09\u3068\u3044\u3046\u306e\u306f\u3001\u3044\u307e\u982d\u306b\u6d6e\u304b\u3093\u3060\u8a00\u8449\u306a\u306e\u3067\u3001\u4e00\u822c\u306b\u901a\u7528\u3059\u308b\u8a00\u8449\u304b\u3069\u3046\u304b\u306f\u308f\u304b\u3089\u306a\u3044\u3002\u304c\u3001\u3053\u3053\u3067\u306f\u3001Elixir \u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u66f8\u3044\u305f\u95a2\u6570\u3068\u3001Rust \u306e\u95a2\u6570\u3092\u304f\u3063\u3064\u3051\u308b\u305f\u3081\u306e\u95a2\u6570\u3092\u30a4\u30e1\u30fc\u30b8\u3057\u3066\u3044\u308b\u3002\u3053\u308c\u306f Rust \u3067\u66f8\u304f\u3002NIF \u306e\u5834\u5408\u3067\u3082\u3001Port Linked-In Driver \u306e\u5834\u5408\u3067\u3082\u3001\u305d\u308c\u305e\u308c\u306e\u30eb\u30fc\u30eb\u306b\u6cbf\u3063\u305f glue \u95a2\u6570\u3092\u66f8\u304b\u306a\u3051\u308c\u3070\u52d5\u304b\u306a\u3044\u3002<\/p>\n
                                                \u3053\u3053\u306f\u4e00\u901a\u308a\u66f8\u304d\u65b9\u304c\u308f\u304b\u308b\u307e\u3067\u3001\u9762\u5012\u306a\u90e8\u5206\u3060\u3002NIF \u306e API\uff08C\u8a00\u8a9e\u306e\u95a2\u6570\uff09\u3084\u3001Rust \u3067 C\u8a00\u8a9e\u306e\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u6642\u306e\u4f5c\u6cd5\u3092\u3088\u304f\u7406\u89e3\u3057\u3066\u3044\u306a\u3044\u3046\u3061\u306f\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u304c\u591a\u767a\u3059\u308b\u3002\u9006\u306b\u3001\u3044\u3063\u305f\u3093\u30b3\u30f3\u30d1\u30a4\u30eb\u3092\u901a\u3057\u3066\u3057\u307e\u3048\u3070\u3001\u5b9f\u884c\u6642\u306b\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u3053\u3068\u306f\u307e\u305a\u306a\u3044\u306e\u304c Rust \u306e\u3044\u3044\u3068\u3053\u308d\u3060\u3002<\/p>\n
                                                \u307e\u305a\u3001Cargo.toml \u306b\u4ee5\u4e0b\u306e\u5185\u5bb9\u3092\u8ffd\u52a0\u3059\u308b\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u3001Mix \u306e mix.exs \u306b\u76f8\u5f53\u3059\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3060\u3002<\/p>\n
                                                [lib]<\/span>\r\nname<\/span> =<\/span> \"pi_nif\"<\/span>\r\ncrate-type<\/span> =<\/span> [\"dylib\"]<\/span>\r\n\r\n[dependencies]<\/span>\r\nruster_unsafe<\/span> =<\/span> {<\/span> git<\/span> =<\/span> \"https:\/\/github.com\/tatsuya6502\/ruster_unsafe\/\"<\/span>,<\/span> rev<\/span> =<\/span> \"nif-2.9-unmerged\"<\/span> }<\/span>\r\nlibc<\/span> =<\/span> \">=0.2.4\"<\/span>\r\n<\/code><\/pre>\n
                                                lib \u30bb\u30af\u30b7\u30e7\u30f3\u306b\u306f\u3001pi_nif \u3068\u3044\u3046\u540d\u524d\u306e\u52d5\u7684\u30ed\u30fc\u30c9\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc(dylib)\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u3092\u6307\u5b9a\u3057\u305f\u3002<\/p>\n
                                                dependencies \u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001ruster_unsafe \u3068\u3044\u3046\u30af\u30ec\u30fc\u30c8\uff08Rust \u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u3053\u3068\uff09\u3068\u3001libc \u30af\u30ec\u30fc\u30c8\u3092\u4f7f\u3046\u3053\u3068\u3092\u6307\u5b9a\u3057\u305f\u3002ruster_unsafe \u306f “rust”-“er”\uff08Rust \uff0b Erlang \u306e\u610f\u5473\uff09\u3068\u3044\u3046\u540d\u524d\u306e\u901a\u308a\u3001Rust \u304b\u3089 Erlang \u306e NIF API \u304c\u4f7f\u3048\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3060\u3002\u672c\u5bb6\u306b\u307e\u3060\u53d6\u308a\u8fbc\u307e\u308c\u3066\u3044\u306a\u3044\u4fee\u6b63\u304c\u3042\u308b\u306e\u3067\u3001\u4eca\u306f\u79c1\u306e\u30d5\u30a9\u30fc\u30af\u3092\u6307\u5b9a\u3057\u3066\u304a\u304f\u3002libc \u306f Rust \u306e\u95a2\u6570\u3068 C\u8a00\u8a9e\u306e\u95a2\u6570\u306e\u76f8\u4e92\u547c\u3073\u51fa\u3057\u306b\u5fc5\u8981\u3060\u3002<\/p>\n
                                                \u6b21\u306b\u3001rust_src\/src\/lib.rs \u30d5\u30a1\u30a4\u30eb\u306b glue \u95a2\u6570\u3092\u66f8\u3044\u3066\u3044\u304f\u3002\u307e\u305a\u59cb\u3081\u306b ruster_unsafe \u304c\u7528\u610f\u3057\u305f NIF \u306e\u521d\u671f\u5316\u30de\u30af\u30ed\u3092\u4f7f\u3046\u3002<\/p>\n
                                                #[macro_use]<\/span>\r\nextern<\/span> crate<\/span> ruster_unsafe<\/span>;<\/span>\r\nuse<\/span> ruster_unsafe<\/span>::<\/span>*<\/span>;<\/span>\r\n\r\nnif_init!<\/span>(<\/span>b<\/span>\"Elixir.PiNif<\/span>\\0<\/span>\"<\/span>,<\/span>\r\n          Some<\/span>(<\/span>load<\/span>),<\/span>    \/\/ on load    \uff08\u5fc5\u9808\uff09<\/span>\r\n          None<\/span>,<\/span>          \/\/ on reload<\/span>\r\n          Some<\/span>(<\/span>upgrade<\/span>),<\/span> \/\/ on upgrade \uff08\u5fc5\u9808\uff09<\/span>\r\n          None<\/span>,<\/span>          \/\/ on unload<\/span>\r\n          nif!<\/span>(<\/span>b<\/span>\"calc_pi_parallel<\/span>\\0<\/span>\"<\/span>,<\/span>\r\n               2<\/span>,<\/span>\r\n               calc_pi_parallel<\/span>,<\/span>\r\n               ERL_NIF_DIRTY_JOB_CPU_BOUND<\/span>)<\/span>\r\n         );<\/span>\r\n<\/code><\/pre>\n
                                                b”Elixir.PiNif\\0″ \u304c\u3001NIF \u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u540d\u3002\u3053\u306e\u540d\u524d\u3068\u3001\u547c\u3073\u51fa\u3057\u5074\u306e Elixir \u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u540d\u306f\u540c\u3058\u3067\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3002Elixir \u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u540d\u306f\u3001defmodule \u3067\u6307\u5b9a\u3057\u305f\u540d\u524d\u306e\u524d\u306b Elixir. \u304c\u4ed8\u304f\u306e\u3067\u3001\u3053\u306e\u540d\u524d\u306b\u306a\u3063\u3066\u3044\u308b\u3002C\u8a00\u8a9e\u306e\u6587\u5b57\u5217\u306a\u306e\u3067 null\u6587\u5b57 \\0 \u3092\u6700\u5f8c\u306b\u3064\u3051\u308b\u3002<\/p>\n
                                                \u7b2c\uff12\u5f15\u6570\u304b\u3089\u7b2c\uff15\u5f15\u6570\u306b\u6307\u5b9a\u3057\u305f\u95a2\u6570\u306f\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30ed\u30fc\u30c9\u6642\u306a\u3069\u306b\u547c\u3070\u308c\u308b \u306e\u3067\u3001\u521d\u671f\u5316\u3084\u3001\u5f8c\u7247\u4ed8\u3051\u304c\u5fc5\u8981\u306a\u6642\u306f\u5b9f\u88c5\u3059\u308b \u3002\u4eca\u56de\u306f\u30ed\u30fc\u30c9\u6642\u306b load() \u95a2\u6570\u3092\u547c\u3076\u3088\u3046\u306b\u3057\u3066\u3001\u4ed6\u306f None \u3068\u3059\u308b\u3053\u3068\u3067\u3001\u306a\u306b\u3082\u547c\u3070\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u305f\u3002\u30002015\u5e741\u670818\u65e5\u4fee\u6b63\uff1a\u3055\u3089\u306b\u3001\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u6642\u306f upgrade() \u95a2\u6570\u3092\u547c\u3076\u3088\u3046\u306b\u3057\u305f\u3002\u4ed6\u306f None \u3068\u3059\u308b\u3053\u3068\u3067\u3001\u306a\u306b\u3082\u547c\u3070\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u305f\u3002\uff08\u7b2c\uff12\u5f15\u6570 on load \u3068\u7b2c\uff14\u5f15\u6570 on upgrade \u306f Option \u578b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u5fc5\u9808 \u3067\u3057\u305f\uff09<\/p>\n
                                                \u305d\u306e\u6b21\u306e nif!(b”calc_pi_parallel\\0″ \u304c\u3001Elixir \u306e calc_pi_parallel\/2 \u306b\u5bfe\u5fdc\u3059\u308b Rust \u95a2\u6570\u306e\u60c5\u5831\u306b\u306a\u308b\u3002<\/p>\n
                                                  \n
                                                • \n
                                                    Elixir \u5074\u306e\u95a2\u6570\u540d\u304c “calc_pi_parallel\\0″\uff08C\u8a00\u8a9e\u306e\u6587\u5b57\u5217\u3067\u8868\u73fe\uff09\u3067\u3001arity \u304c 2<\/ul>\n<\/li>\n<\/ul>\n
                                                    \u5bfe\u5fdc\u3059\u308b Rust \u95a2\u6570\u304c calc_pi_parallel<\/p>\n
                                                    CPU bound \u7528\u306e dirty scheduler \u3067\u5b9f\u884c\u3059\u308b\uff08ERL_NIF_DIRTY_JOB_CPU_BOUND\uff09<\/p>\n
                                                    \u3082\u3057\u3001\u4ed6\u306b\u3082\u95a2\u6570\u304c\u3042\u308b\u306e\u306a\u3089 nif!(…) \u3092\u7d9a\u3051\u3066\u66f8\u3044\u3066\u3044\u3051\u3070\u3044\u3044\u3002<\/p>\n
                                                    \u6b21\u306b\u3001load() \u306e\u5b9f\u88c5\u3002calc_pi_parallel() \u304c\u623b\u308a\u5024\u3092\u8fd4\u3059\u6642\u306b\u4f7f\u3046 :ok \u30a2\u30c8\u30e0\u3068 :error \u30a2\u30c8\u30e0\u3092\u521d\u671f\u5316\u3059\u308b\u3002\u306a\u304a\u3001NIF API \u306e\u95a2\u6570\u306f\u3001\u540d\u524d\u304c enif_ \u3067\u59cb\u307e\u308b\u3002<\/p>\n
                                                    extern<\/span> crate<\/span> libc<\/span>;<\/span>\r\nuse<\/span> libc<\/span>::<\/span>c_double<\/span>;<\/span>\r\n\r\nstatic<\/span> mut<\/span> ok_atom<\/span>:<\/span>    ERL_NIF_TERM<\/span> =<\/span> 0<\/span> as<\/span> ERL_NIF_TERM<\/span>;<\/span>\r\nstatic<\/span> mut<\/span> error_atom<\/span>:<\/span> ERL_NIF_TERM<\/span> =<\/span> 0<\/span> as<\/span> ERL_NIF_TERM<\/span>;<\/span>\r\n\r\n\/\/\/ static \u306a\u5909\u6570\u306b\u30a2\u30c8\u30e0\u3092\u8a2d\u5b9a\u3059\u308b\u3002<\/span>\r\nextern<\/span> \"C\"<\/span> fn<\/span> load<\/span>(<\/span>env<\/span>:<\/span> *<\/span>mut<\/span> ErlNifEnv<\/span>,<\/span>\r\n                   _<\/span>priv_data<\/span>:<\/span> *<\/span>mut<\/span> *<\/span>mut<\/span> c_void<\/span>,<\/span>\r\n                   _<\/span>load_info<\/span>:<\/span> ERL_NIF_TERM<\/span>)<\/span>-><\/span> c_int<\/span> {<\/span>\r\n    unsafe<\/span> {<\/span>\r\n        ok_atom<\/span>    =<\/span> enif_make_atom<\/span>(<\/span>env<\/span>,<\/span> b<\/span>\"ok<\/span>\\0<\/span>\"<\/span>    as<\/span> *<\/span>const<\/span> u8<\/span>);<\/span>\r\n        error_atom<\/span> =<\/span> enif_make_atom<\/span>(<\/span>env<\/span>,<\/span> b<\/span>\"error<\/span>\\0<\/span>\"<\/span> as<\/span> *<\/span>const<\/span> u8<\/span>)<\/span>\r\n    }<\/span>\r\n    0<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                    upgrade() \u306f\u4f55\u3082\u305b\u305a\u3001\u5358\u306b\u6210\u529f\u3092\u8868\u3059 0 \u3092\u8fd4\u3059\u3088\u3046\u306b\u3057\u305f\u3002<\/p>\n
                                                    extern<\/span> \"C\"<\/span> fn<\/span> upgrade<\/span>(<\/span>_<\/span>env<\/span>:<\/span> *<\/span>mut<\/span> ErlNifEnv<\/span>,<\/span>\r\n                      _<\/span>priv_data<\/span>:<\/span> *<\/span>mut<\/span> *<\/span>mut<\/span> c_void<\/span>,<\/span>\r\n                      _<\/span>old_priv_data<\/span>:<\/span> *<\/span>mut<\/span> *<\/span>mut<\/span> c_void<\/span>,<\/span>\r\n                      _<\/span>load_info<\/span>:<\/span> ERL_NIF_TERM<\/span>)<\/span>-><\/span> c_int<\/span> {<\/span>\r\n    0<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                    \u7d9a\u3044\u3066 calc_pi_parallel() \u306e\u5b9f\u88c5\u3002\u307e\u305a\u3001mod pi; \u3067\u3001pi \u30e2\u30b8\u30e5\u30fc\u30eb\uff08rust_src\/src\/pi.rs\uff09\u306b\u66f8\u3044\u305f\u5186\u5468\u7387\u8a08\u7b97\u306e public \u95a2\u6570\u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/p>\n
                                                    glue \u95a2\u6570\u306b\u306f calc_pi_parallel() \u306e\u3088\u3046\u306b\u3001\uff13\u3064\u306e\u5f15\u6570\u304c\u6e21\u3055\u308c\u308b\u3002env \u304c Erlang \u306e VM \u74b0\u5883\uff08\u30e9\u30f3\u30bf\u30a4\u30e0\uff09\u3092\u8868\u3059\u69cb\u9020\u4f53\u3001argc \u304c\u5f15\u6570\u306e\u6570\u3001args \u304c\u5f15\u6570\u306e\u5165\u3063\u305f\u69cb\u9020\u4f53\u3060\u3002\u623b\u308a\u5024\u306f Erlang \u306e\u30c7\u30fc\u30bf\u3092\u8868\u3059 C\u8a00\u8a9e\u306e\u69cb\u9020\u4f53\u3067\u3001calc_pi_parallel() \u3067\u306f\u3001\u5f15\u6570\u306e\u5024\u306b\u3088\u3063\u3066\u4ee5\u4e0b\u306e\u3069\u308c\u304b\u306b\u306a\u308b\u3002<\/p>\n
                                                      \n
                                                    • \n
                                                        {:ok, pi\u306e\u8fd1\u4f3c\u5024\uff08float \u578b\uff09}<\/ul>\n<\/li>\n<\/ul>\n
                                                         <\/p>\n
                                                          \n
                                                        • \n
                                                            {:error, \u30a8\u30e9\u30fc\u306e\u5185\u5bb9\u3092\u793a\u3059\u6587\u5b57\u5217}<\/ul>\n<\/li>\n<\/ul>\n
                                                             <\/p>\n
                                                              BadArgumentError<\/ul>\n
                                                              \r\nuse<\/span> std<\/span>::<\/span>mem<\/span>::<\/span>uninitialized<\/span>;<\/span>\r\n\r\nmod<\/span> pi<\/span>;<\/span>\r\n\r\n\/\/\/ Elixir: @spec calc_pi_parallel(n :: non_neg_integer,<\/span>\r\n\/\/\/                                num_threads :: non_neg_integer)<\/span>\r\n\/\/\/                               :: {:ok, pi :: float} | {:error, term()} | no_return<\/span>\r\nextern<\/span> \"C\"<\/span> fn<\/span> calc_pi_parallel<\/span>(<\/span>env<\/span>:<\/span> *<\/span>mut<\/span> ErlNifEnv<\/span>,<\/span>\r\n                               argc<\/span>:<\/span> c_int<\/span>,<\/span>\r\n                               args<\/span>:<\/span> *<\/span>const<\/span> ERL_NIF_TERM<\/span>)<\/span> -><\/span> ERL_NIF_TERM<\/span> {<\/span>\r\n    let<\/span> mut<\/span> n<\/span>:<\/span> c_int<\/span> =<\/span> unsafe<\/span> {<\/span> uninitialized<\/span>()<\/span> };<\/span>\r\n    let<\/span> mut<\/span> num_threads<\/span>:<\/span> c_int<\/span> =<\/span> unsafe<\/span> {<\/span> uninitialized<\/span>()<\/span> };<\/span>\r\n    if<\/span> argc<\/span> !=<\/span> 2<\/span>\r\n        ||<\/span> 0<\/span> ==<\/span> unsafe<\/span> {<\/span> enif_get_int<\/span>(<\/span>env<\/span>,<\/span> *<\/span>args<\/span>,<\/span> &<\/span>mut<\/span> n<\/span>)<\/span> }<\/span>\r\n        ||<\/span> 0<\/span> ==<\/span> unsafe<\/span> {<\/span> enif_get_int<\/span>(<\/span>env<\/span>,<\/span> *<\/span>args<\/span>.offset<\/span>(<\/span>1<\/span>),<\/span> &<\/span>mut<\/span> num_threads<\/span>)<\/span> }<\/span>\r\n        ||<\/span> n<\/span> <=<\/span> 0<\/span> {<\/span>\r\n        return<\/span> unsafe<\/span> {<\/span> enif_make_badarg<\/span>(<\/span>env<\/span>)<\/span> };<\/span>\r\n    }<\/span>\r\n\r\n    match<\/span> pi<\/span>::<\/span>calc_pi_parallel<\/span>(<\/span>n<\/span> as<\/span> u32<\/span>,<\/span> num_threads<\/span> as<\/span> u32<\/span>)<\/span> {<\/span>\r\n        Ok<\/span>(<\/span>pi<\/span>)<\/span> =><\/span>\r\n            make_ok_result<\/span>(<\/span>env<\/span>,<\/span> unsafe<\/span> {<\/span> &<\/span>enif_make_double<\/span>(<\/span>env<\/span>,<\/span> pi<\/span> as<\/span> c_double<\/span>)<\/span> }),<\/span>\r\n        Err<\/span>(<\/span>reason<\/span>)<\/span> =><\/span>\r\n            make_error_result<\/span>(<\/span>env<\/span>,<\/span> &<\/span>reason<\/span>),<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                              \u6700\u521d\u306e if \u5f0f\u307e\u3067\u3067\u5f15\u6570\u3092\u53d7\u3051\u53d6\u308a\u3001\u5f15\u6570\u306e\u578b\u306a\u3069\u304c\u59a5\u5f53\u304b\u30c1\u30a7\u30c3\u30af\u3092\u3057\u3066\u3044\u308b\u3002<\/p>\n
                                                              NIF \u306e C API \u3068\u3084\u308a\u3068\u308a\u3092\u3059\u308b\u305f\u3081\u3001unsafe { … } \u30d6\u30ed\u30c3\u30af\u304c\u4f55\u5ea6\u3082\u4f7f\u308f\u308c\u3066\u3044\u308b\u3002Rust \u306e\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u304c\u5b89\u5168\u6027\u3092\u691c\u8a3c\u3067\u304d\u308b\u306e\u306f\u3001Rust \u3067\u66f8\u304b\u308c\u305f\u90e8\u5206\u306e\u307f\u306a\u306e\u3067\u3001\u5916\u90e8\u306e\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057\u3084\u3001C\u8a00\u8a9e\u306e\u751f\u30dd\u30a4\u30f3\u30bf\u30fc\u304c\u793a\u3059\u756a\u5730\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306a\u3069\u306f\u3001\u5bfe\u8c61\u5916\u3068\u306a\u308b\u3002\u3082\u3057 unsafe \u3067\u56f2\u307e\u306a\u3044\u3068\u3001\u5b89\u5168\u6027\u304c\u78ba\u8a8d\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u3068\u306a\u3063\u3066\u3057\u307e\u3046\u3002<\/p>\n
                                                              unsafe \u3067\u56f2\u3080\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u304c\u3001\u56f2\u3093\u3060\u90e8\u5206\u306e\u30b3\u30fc\u30c9\u306e\u5b89\u5168\u6027\u306b\u3064\u3044\u3066\u306f\u3001\u958b\u767a\u8005\u81ea\u8eab\u304c\u78ba\u8a8d\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/p>\n
                                                              \u6700\u5f8c\u306e match \u5f0f\u3067\u306f\u3001pi\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u65b9\u306e calc_pi_parallel() \u3092\u547c\u3073\u51fa\u3057\u3001\u7d50\u679c\u3092\u30d1\u30bf\u30fc\u30f3\u30de\u30c3\u30c1\u3067\u53d6\u308a\u51fa\u3057\u3066\u3044\u308b\u3002\u3082\u3057 Ok(pi) \u306a\u3089\u3001make_ok_result() \u3092\u547c\u3093\u3067\u3001{:ok, pi} \u306e\u30bf\u30d7\u30eb\u3092\u4f5c\u3063\u3066\u8fd4\u3059\u3002\u3082\u3057 Err(reason) \u306a\u3089 make_error_result() \u3092\u547c\u3093\u3067\u3001{:error, result} \u306e\u30bf\u30d7\u30eb\u3092\u4f5c\u3063\u3066\u8fd4\u3059\u3002<\/p>\n
                                                              make_ok_result() \u3068 make_error_result() \u306e\u5b9f\u88c5\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002\u96f0\u56f2\u6c17\u306f\u3064\u304b\u3081\u308b\u3060\u308d\u3046\u304b\u3002<\/p>\n
                                                              fn<\/span> make_ok_result<\/span>(<\/span>env<\/span>:<\/span> *<\/span>mut<\/span> ErlNifEnv<\/span>,<\/span> result<\/span>:<\/span> *<\/span>const<\/span> ERL_NIF_TERM<\/span>)<\/span> -><\/span> ERL_NIF_TERM<\/span> {<\/span>\r\n    let<\/span> tuple_elements<\/span> =<\/span> unsafe<\/span> {<\/span> [<\/span>ok_atom<\/span>,<\/span> *<\/span>result<\/span>]<\/span> };<\/span>\r\n    unsafe<\/span> {<\/span> enif_make_tuple_from_array<\/span>(<\/span>env<\/span>,<\/span> tuple_elements<\/span>.as_ptr<\/span>(),<\/span> 2<\/span>)<\/span> }<\/span>\r\n}<\/span>\r\n\r\nfn<\/span> make_error_result<\/span>(<\/span>env<\/span>:<\/span> *<\/span>mut<\/span> ErlNifEnv<\/span>,<\/span> reason<\/span>:<\/span> &<\/span>str<\/span>)<\/span> -><\/span> ERL_NIF_TERM<\/span> {<\/span>\r\n    let<\/span> reason_str<\/span> =<\/span> unsafe<\/span> {<\/span> enif_make_string_len<\/span>(<\/span>env<\/span>,<\/span> reason<\/span>.as_ptr<\/span>(),<\/span> reason<\/span>.len<\/span>(),<\/span>\r\n                                                   ErlNifCharEncoding<\/span>::<\/span>ERL_NIF_LATIN1<\/span>)<\/span> };<\/span>\r\n    let<\/span> tuple_elements<\/span> =<\/span> [<\/span>unsafe<\/span> {<\/span> error_atom<\/span> },<\/span> reason_str<\/span>];<\/span>\r\n    unsafe<\/span> {<\/span> enif_make_tuple_from_array<\/span>(<\/span>env<\/span>,<\/span> tuple_elements<\/span>.as_ptr<\/span>(),<\/span> 2<\/span>)<\/span> }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                              mix compile \u3067 cargo build –release \u3092\u547c\u3073\u51fa\u3059<\/h3>\n
                                                              \u3067\u306f\u3001Rust \u306b\u3088\u308b\u5171\u6709\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u3092\u30d3\u30eb\u30c9\u3057\u3088\u3046\u3002rust_src \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3067\u3001cargo build –release \u3068\u3057\u3066\u3082\u3044\u3044\u304c\u3001\u3053\u3053\u3067\u306f\u3001Mix \u304b\u3089\u3001Rust \u30b3\u30fc\u30c9\u3068 Elixir \u30b3\u30fc\u30c9\u3092\u4e00\u62ec\u3057\u3066\u30d3\u30eb\u30c9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/p>\n
                                                              mix.exs \u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5909\u66f4\u3059\u308b\u3002<\/p>\n
                                                              defmodule<\/span> Pi<\/span>.<\/span>Mixfile<\/span> do<\/span>\r\n  use<\/span> Mix<\/span>.<\/span>Project<\/span>\r\n\r\n  def<\/span> project<\/span> do<\/span>\r\n    [<\/span>app:<\/span> :elixir_rust_interop_demo<\/span>,<\/span>\r\n     version:<\/span> \"0.0.1\"<\/span>,<\/span>\r\n     elixir:<\/span> \"~> 1.2\"<\/span>,<\/span>\r\n     compilers:<\/span> [<\/span>:cargo<\/span>,<\/span> :elixir<\/span>,<\/span> :app<\/span>],<\/span>    # <-- \u3053\u306e\u884c\u3092\u8ffd\u52a0\u3057\u305f\u3002<\/span>\r\n     build_embedded:<\/span> Mix<\/span>.<\/span>env<\/span> ==<\/span> :prod<\/span>,<\/span>\r\n     start_permanent:<\/span> Mix<\/span>.<\/span>env<\/span> ==<\/span> :prod<\/span>,<\/span>\r\n     deps:<\/span> deps<\/span>]<\/span>\r\n  end<\/span>\r\n\r\n  def<\/span> application<\/span> do<\/span>\r\n    [<\/span>applications:<\/span> [<\/span>:logger<\/span>]]<\/span>\r\n  end<\/span>\r\n\r\n  defp<\/span> deps<\/span> do<\/span>\r\n    []<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n\r\n\r\n####################<\/span>\r\n# Rust Cargo Tasks #<\/span>\r\n####################<\/span>\r\n\r\ndefmodule<\/span> Mix<\/span>.<\/span>Tasks<\/span>.<\/span>Compile<\/span>.<\/span>Cargo<\/span> do<\/span>        # <-- \u3053\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8ffd\u52a0\u3057\u305f\u3002<\/span>\r\n  @shortdoc<\/span> \"Compiles helper in rust_src\"<\/span>\r\n\r\n  def<\/span> run<\/span>(<\/span>_<\/span>)<\/span> do<\/span>\r\n    case<\/span> System<\/span>.<\/span>cmd<\/span>(<\/span>\"cargo\"<\/span>,<\/span> [<\/span>\"build\"<\/span>,<\/span> \"--release\"<\/span>],<\/span>\r\n                    cd:<\/span> \"rust_src\"<\/span>,<\/span>\r\n                    stderr_to_stdout:<\/span> true<\/span>)<\/span> do<\/span>\r\n      {<\/span>result<\/span>,<\/span> 0<\/span>}<\/span> -><\/span>\r\n        if<\/span> result<\/span> !=<\/span> \"\"<\/span> do<\/span>\r\n          Mix<\/span>.<\/span>shell<\/span>.<\/span>info<\/span> result<\/span>\r\n        end<\/span>\r\n        # @TODO: Skip coping the file if it is up-to-date.<\/span>\r\n        case<\/span> System<\/span>.<\/span>cmd<\/span>(<\/span>\"cp\"<\/span>,<\/span> [<\/span>\"-p\"<\/span>,<\/span> \"rust_src\/target\/release\/libpi_nif.so\"<\/span>,<\/span> \"priv\"<\/span>],<\/span>\r\n                        stderr_to_stdout:<\/span> true<\/span>)<\/span> do<\/span>\r\n          {<\/span>\"\"<\/span>,<\/span> 0<\/span>}<\/span> -><\/span>\r\n            :ok<\/span>\r\n          {<\/span>result<\/span>,<\/span> 0<\/span>}<\/span> -><\/span>\r\n            Mix<\/span>.<\/span>shell<\/span>.<\/span>info<\/span> result<\/span>\r\n            :ok<\/span>\r\n          {<\/span>result<\/span>,<\/span> _error_code<\/span>}<\/span> -><\/span>\r\n            Mix<\/span>.<\/span>shell<\/span>.<\/span>error<\/span> result<\/span>\r\n            raise<\/span> \"copying libpi_nif.so failed\"<\/span>\r\n        end<\/span>\r\n      {<\/span>result<\/span>,<\/span> _error_code<\/span>}<\/span> -><\/span>\r\n        Mix<\/span>.<\/span>shell<\/span>.<\/span>error<\/span> result<\/span>\r\n        raise<\/span> \"cargo build --release failed.\"<\/span>\r\n    end<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n\r\ndefmodule<\/span> Mix<\/span>.<\/span>Tasks<\/span>.<\/span>Clean<\/span>.<\/span>Cargo<\/span> do<\/span>          # <-- \u3053\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8ffd\u52a0\u3057\u305f\u3002<\/span>\r\n  @shortdoc<\/span> \"Cleans helper in rust_src\"<\/span>\r\n\r\n  def<\/span> run<\/span>(<\/span>_<\/span>)<\/span> do<\/span>\r\n    case<\/span> System<\/span>.<\/span>cmd<\/span>(<\/span>\"cargo\"<\/span>,<\/span> [<\/span>\"clean\"<\/span>],<\/span>\r\n                    cd:<\/span> \"rust_src\"<\/span>,<\/span>\r\n                    stderr_to_stdout:<\/span> true<\/span>)<\/span> do<\/span>\r\n      {<\/span>result<\/span>,<\/span> 0<\/span>}<\/span> -><\/span>\r\n        Mix<\/span>.<\/span>shell<\/span>.<\/span>info<\/span> result<\/span>\r\n        :ok<\/span>\r\n      {<\/span>result<\/span>,<\/span> _error_code<\/span>}<\/span> -><\/span>\r\n        Mix<\/span>.<\/span>shell<\/span>.<\/span>error<\/span> result<\/span>\r\n        :ok<\/span>\r\n    end<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
                                                              \u3053\u308c\u3067\u3001mix compile \u307e\u305f\u306f iex -S mix \u3068\u3057\u305f\u6642\u306b\u3001Rust \u5074\u3082 cargo build –release \u3067\u30d3\u30eb\u30c9\u3055\u308c\u308b\u3002\u3067\u304d\u3042\u304c\u3063\u305f\u5171\u6709\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc libpi_nif.so \u306f\u3001priv \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3078\u30b3\u30d4\u30fc\u3055\u308c\u308b\u3002<\/p>\n
                                                              \u8a66\u3057\u306b\u30d3\u30eb\u30c9\u3057\u3066\u307f\u3088\u3046\u3002<\/p>\n
                                                              mix compile\r\n   Compiling ruster_unsafe v0.2.0 (https:\/\/github.com\/tatsuya6502\/ruster_unsafe\/?rev=nif-2.9-unmerged#250957b5)\r\n   Compiling libc v0.2.4\r\n   Compiling pi v0.1.0 (file:\/\/\/usr\/home\/tatsuya\/workhub\/dev\/elixir_rust_interop_demo\/rust_src)\r\n\r\nCompiled lib\/pi_nif.ex\r\nCompiled lib\/pi.ex\r\nGenerated elixir_rust_interop_demo app\r\nConsolidated List.Chars\r\n...\r\n<\/code><\/pre>\n
                                                              \u5b9f\u884c\u3059\u308b<\/h3>\n
                                                              \u5b9f\u306f\u79c1\u306f Rust \u306e\u8d85\u521d\u5fc3\u8005\u306a\u306e\u30675\u3001C\u95a2\u6570\u3068\u306e\u3084\u308a\u53d6\u308a\u306e\u4f5c\u6cd5\u304c\u3088\u304f\u308f\u304b\u3089\u305a\u3001glue \u95a2\u6570\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u3092\u901a\u3059\u306e\u306b\u3001\u305a\u3044\u3076\u3093\u82e6\u52b4\u3057\u3066\u3057\u307e\u3063\u305f\u3002\u3044\u3084\u30fc\u3001\u9577\u304b\u3063\u305f\u3002\u3067\u3082\u3001\u3053\u306e\u82e6\u52b4\u306f\u7121\u99c4\u306b\u306a\u3089\u306a\u3044\u3060\u308d\u3046\u3002<\/p>\n
                                                              \u3067\u306f\u5b9f\u884c\u3057\u3066\u307f\u3088\u3046\u3002iex \u3092\u7acb\u3061\u4e0a\u3052\u308b\u3002<\/p>\n
                                                              % iex -S mix\r\nErlang\/OTP 18 [erts-7.2.1] [source] [64-bit] [smp:8:8] [ds:8:8:10] [async-threads:10] [hipe] [kernel-poll:false]\r\n\r\nInteractive Elixir (1.2.0) - press Ctrl+C to exit (type h() ENTER for help)\r\n<\/code><\/pre>\n
                                                              \u307e\u305a\u3001dirty scheduler \u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002iex \u306e\u7acb\u3061\u4e0a\u3052\u6642\u306b [ds:8:8:10] \u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u308c\u3070 OK \u3060\u3002\u3053\u308c\u306f\u3001\u5de6\u304b\u3089\u9806\u306b\u3001dirty CPU scheduler \u306e\u6700\u5927\u672c\u6570\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u4e2d\u306edirty CPU scheduler\u306e\u672c\u6570\u3001dirty IO scheduler \u306e\u672c\u6570\u3092\u8868\u3057\u3066\u3044\u308b\u3002<\/p>\n
                                                              \u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30ed\u30fc\u30c9\u3057\u3066\u5b9f\u884c\u3057\u3088\u3046\u3002<\/p>\n
                                                              iex(1)> l PiNif\r\n{:module, PiNif}\r\niex(2)> :timer.tc(fn() -> PiNif.calc_pi_parallel(1_000_000_000, 10) end)\r\n{1262147, {:ok, 3.141592655589816}}\r\n<\/code><\/pre>\n
                                                              \u304a\u3049\u3001\u901f\u3044\u3063\uff01 \u7d041.3\u79d2\u3067\u7d42\u4e86\u3002Elixir \u3067 HiPE \u3092\u4f7f\u7528\u3057\u305f\u6642\u3068\u6bd4\u3079\u308b\u3068\u3001\u7d0412.1\u500d\u306e\u901f\u5ea6\u3068\u306a\u3063\u305f\u3002\u5c0f\u6570\u70b9\u4ee5\u4e0b\u306e\u516815\u6841\u304c Elixir \u306e\u8a08\u7b97\u7d50\u679c\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u3061\u3083\u3093\u3068\u8a08\u7b97\u3057\u3066\u3044\u308b\u3088\u3046\u3060<\/p>\n
                                                              \u3061\u306a\u307f\u306b\u3001\u30b3\u30fc\u30c9\u306e\u63b2\u8f09\u306f\u7701\u7565\u3057\u305f\u304c\u3001\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u7248\u3082\u3042\u308b\u3002<\/p>\n
                                                              iex(3)> :timer.tc(fn() -> PiNif.calc_pi(1_000_000_000) end)\r\n{4134014, {:ok, 3.1415926555901215}}\r\n<\/code><\/pre>\n
                                                              \u3053\u308c\u306b\u3088\u308a\u3001\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u7248\u306f\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u7248\u3088\u308a\u3082\u3001\u7d043.28\u500d\u901f\u3044\u3053\u3068\u304c\u308f\u304b\u3063\u305f\u3002<\/p>\n
                                                              SIMD \u547d\u4ee4\u306b\u3055\u3089\u306b\u671f\u5f85<\/h2>\n
                                                              \u524d\u306b\u3082\u66f8\u3044\u305f\u3088\u3046\u306b\u3001\u73fe\u72b6\u306f Rust \u306e\u95a2\u6570\u3092 SIMD \u547d\u4ee4\u3078\u306e\u6700\u9069\u5316\u304c\u3055\u308c\u3066\u306a\u3044\u72b6\u614b\u3067\u5b9f\u884c\u3057\u3066\u3044\u308b\u3002\u4eee\u306b\u6700\u9069\u5316\u304c\u3055\u308c\u305f\u306a\u3089\u3001\u3053\u306e\u30de\u30b7\u30f3\u306e\u30d7\u30ed\u30bb\u30c3\u30b5\u30fc\uff08AVX \u547d\u4ee4\u306b\u5bfe\u5fdc\uff09\u306a\u3089\u3001\uff14\u7d44\u306e64\u30d3\u30c3\u30c8\u6d6e\u52d5\u5c0f\u6570\u70b9\u304c\u3001\uff11\u5ea6\u306b\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b6\u3002\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5834\u5408\u3001sqrt \u8a08\u7b97\u3092\u7e70\u308a\u8fd4\u3059\u306e\u3067\u3001SIMD \u306e\u52b9\u679c\u304c\u5927\u304d\u305d\u3046\u3060\u3002\u5f8c\u65e5\u3001\u6311\u6226\u3057\u3066\u307f\u305f\u3044\u3002<\/p>\n
                                                              \u6e2c\u5b9a\u7d50\u679c<\/h2>\n
                                                              \u305d\u306e\u5f8c\u3001FreeBSD \u3067\u518d\u5ea6\u6e2c\u5b9a\u3057\u305f\u3002\u305d\u308c\u305e\u308c\u306e\u95a2\u6570\u3092\uff13\u56de\u305a\u3064\u5b9f\u884c\u3057\u3001\u305d\u306e\u4e2d\u592e\u5024\uff08\uff12\u756a\u76ee\u306b\u901f\u304b\u3063\u305f\u5024\uff09\u3092\u63a1\u7528\u3057\u305f\u3002<\/p>\n
                                                              \\pi = 3.14159\\ 26535\\ 89793\\ \\dotsb\r\n<\/code><\/pre>\n
                                                              \n
                                                              #\u8a00\u8a9eproc\/thr\u6570\u30d7\u30ed\u30b0\u30e9\u30e0\u8a08\u7b97\u7d50\u679c\u6240\u8981\u6642\u9593\uff08\u30de\u30a4\u30af\u30ed\u79d2\uff09\u76f8\u5bfe\u901f\u5ea6\u76f8\u5bfe\u901f\u5ea61Elixir1Enum.reduce\/33.1415926555901215113,853,0910.680.132
                                                              \n1(HiPE)3.1415926555901215111,940,9650.700.143
                                                              \n1for_each\/43.141592655590121577,914,5951.00<\/strong>0.204
                                                              \n1(HiPE)3.141592655590121545,786,4411.700.335
                                                              \n10parallel3.141592655589816029,319,3872.660.526
                                                              \n10(HiPE)3.141592655589816015,226,4575.121.00<\/strong>7Rust1NIF3.14159265559012154,134,01418.853.688
                                                              \n10parallel NIF3.14159265558981601,209,16064.4412.60<\/div>\n<\/div>\n
                                                              \u307e\u3068\u3081<\/h2>\n
                                                                \n
                                                              • \n
                                                                  Elixir \u306f\u5805\u7262\u3067\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u751f\u7523\u6027\u3092\u9ad8\u3081\u308b\u52d5\u7684\u578b\u4ed8\u3051\u8a00\u8a9e<\/ul>\n<\/li>\n<\/ul>\n
                                                                   <\/p>\n
                                                                    \n
                                                                  • \n
                                                                      Rust \u306f\u5b89\u5168\u6027\u3068\u30b9\u30d4\u30fc\u30c9\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u3057\u305f\u3001\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5411\u3051\u306e\u9759\u7684\u578b\u4ed8\u3051\u8a00\u8a9e<\/ul>\n<\/li>\n<\/ul>\n
                                                                       <\/p>\n
                                                                        \n
                                                                      • \n
                                                                          \u3069\u3061\u3089\u306e\u8a00\u8a9e\u3082\u30e2\u30c0\u30f3\u306a\u8a00\u8a9e\u306e\u7279\u5fb4\u3092\u53d6\u308a\u8fbc\u3093\u3067\u304a\u308a\u3001\u3088\u304f\u4f3c\u305f\u30b9\u30bf\u30a4\u30eb\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u66f8\u3051\u308b<\/ul>\n<\/li>\n<\/ul>\n
                                                                           <\/p>\n
                                                                            \n
                                                                          • \n
                                                                              \u3069\u3061\u3089\u306e\u8a00\u8a9e\u3082\u30de\u30eb\u30c1\u30b3\u30a2\u30d7\u30ed\u30bb\u30c3\u30b5\u306b\u9069\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u7c21\u5358\u306b\u66f8\u3051\u308b<\/ul>\n<\/li>\n<\/ul>\n
                                                                               <\/p>\n
                                                                                \uff12\u3064\u306e\u8a00\u8a9e\u306e\u4f7f\u3044\u3069\u3053\u308d\u3092\u898b\u6975\u3081\u3001\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u5e78\u305b\u306b\u306a\u308c\u305d\u3046<\/ul>\n
                                                                                \n
                                                                                \n
                                                                                Rust\u306eFAQ\u306b\u3088\u308b\u3068\u3001Servo\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u884c\u6570\u306f\u73fe\u6642\u70b9\u3067\uff13\u4e07\u884c\u5f37\u3068\u306e\u3053\u3068\u3002\u3061\u306a\u307f\u306bRust\u306e\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306fRust\u81ea\u8eab\u3067\u66f8\u304b\u308c\u3066\u304a\u308a\u3001\u305d\u306e\u884c\u6570\u306f\u73fe\u6642\u70b9\u3067\uff16\u4e07\u884c\u5f37\u3002\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3068\u3057\u3066LLVM\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u00a0\u21a9<\/p>\n
                                                                                \u6709\u52b9\u306b\u3059\u308b\u306b\u306f\u3001\u300ccompiler target triple\u300d\u3068\u3044\u3046\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306e\u30d3\u30eb\u30c9\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u5909\u66f4\u3057\u3001Rust\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u3068\u30e9\u30a4\u30d6\u30e9\u30ea\u4e00\u5f0f\u3092\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u304b\u3089\u30d3\u30eb\u30c9\u3059\u308c\u3070\u3044\u3044\u3088\u3046\u3060\u3002SIMD \u306e\u30b5\u30dd\u30fc\u30c8\u3068\u306f\u7121\u95a2\u4fc2\u3060\u304c\u3001\u30d3\u30eb\u30c9\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u5909\u66f4\u306b\u3064\u3044\u3066\u306f \u3053\u3061\u3089\u306e\u8a18\u4e8b \u3067\u8a73\u3057\u304f\u89e3\u8aac\u3055\u308c\u3066\u3044\u308b\u3002\u5f8c\u65e5\u3001\u6311\u6226\u3057\u3066\u307f\u305f\u3044\u00a0\u21a9<\/p>\n
                                                                                \u5225\u8a18\u4e8b\u306f\uff11\u30f6\u6708\u304f\u3089\u3044\u304b\u304b\u308b\u304b\u3082\u3002\u5f85\u3066\u306a\u3044\u4eba\u306f\u3001\u3053\u3061\u3089 \u306e\u30b3\u30fc\u30c9\u3068\u30d7\u30ec\u30bc\u30f3\uff08PDF\uff09\u3092\u8aad\u3080\u306e\u304c\u304a\u3059\u3059\u3081\u3002\u00a0\u21a9<\/p>\n
                                                                                HiPE \u306e\u958b\u767a\u7d42\u4e86\u5f8c\u3057\u3070\u3089\u304f\u3057\u3066\u304b\u3089NIF\u304c\u5c0e\u5165\u3055\u308c\u305f\u305f\u3081\u3001HiPE\u306ebeam\u30ed\u30fc\u30c0\u30fc\u304cNIF\u306b\u5bfe\u5fdc\u3057\u3066\u306a\u3044\u306e\u304c\u539f\u56e0\u306e\u3088\u3046\u3060\u3002HiPE\u306e\u958b\u767a\u306b\u643a\u308f\u3063\u305f\u30c1\u30fc\u30e0\u306e\u30e1\u30f3\u30d0\u30fc\u306f\u307f\u306aEricsson\u793e\u3092\u9000\u793e\u3057\u3066\u3044\u308b\u305f\u3081\u3001VM\u30c1\u30fc\u30e0\u306bHiPE\u306b\u8a73\u3057\u3044\u4eba\u304c\u3044\u306a\u3044\u3089\u3057\u3044\u3002\u305f\u3060\u3001HiPE\u306e\u8a2d\u8a08\u8005\u306f\u3001erang-user\u30e1\u30fc\u30ea\u30f3\u30b0\u30ea\u30b9\u30c8\u3067\u3001\u3044\u3064\u3082\u8cea\u554f\u306b\u56de\u7b54\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3060\u3002\u00a0\u21a9<\/p>\n
                                                                                \u79c1\u304c Rust \u3092\u77e5\u3063\u305f\u306e\u306f\u3001@voluntas \u3055\u3093\u306e\u3001\u300c\u79c1\u7684\u306a 2015 \u5e74\u6280\u8853\u7684\u306a\u632f\u308a\u8fd4\u308a\u300d\u3067 \u7d39\u4ecb\u3055\u308c\u3066\u3044\u305f\u306e\u304c\u304d\u3063\u304b\u3051\u3060\u3063\u305f\u3002\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\u3002Erlang \u3068\u4e00\u7dd2\u306b\u4f7f\u3048\u308b\u3001\u3053\u3093\u306a\u8a00\u8a9e\u304c\u6b32\u3057\u304b\u3063\u305f\u306e\u3067\u3059\u00a0\u21a9<\/p>\n
                                                                                Rust 1.5.0 \u3067\u306e SIMD \u5bfe\u5fdc\u72b6\u6cc1\u306f\u306f\u3063\u304d\u308a\u308f\u304b\u3089\u306a\u3044\u306e\u3060\u304c\u3001\u4eca\u306e\u3068\u3053\u308d\u81ea\u52d5\u6700\u9069\u5316\u306f SSE \u307e\u3067\u306a\u306e\u304b\u3082\u3057\u308c\u306a\u3044\u3002simd \u30af\u30ec\u30fc\u30c8\u306e\u65b9\u306f\u3001\u30d5\u30a9\u30fc\u30af\u3057\u3066 AVX \u547d\u4ee4\u306b\u5bfe\u5fdc\u3055\u305b\u305f\u4eba\u3082\u3044\u308b\u306e\u3067\u3001\u3053\u3061\u3089\u3082\u8a66\u3057\u3066\u307f\u305f\u3044\u3002\u00a0\u21a9<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
                                                                                Elixir \u304b\u3089 Rust \u306e\u95a2\u6570\u3092\u547c\u3076\u3053\u3068\u3067\u3001\u5186\u5468\u7387 $\\pi$ \u306e\u8fd1\u4f3c\u5024\u3092\u6c42\u3081\u308b\u8a08\u7b97\u3092\u9ad8\u901f\u5316\u3059\u308b\u3002Erl […]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45378","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/45378-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"Elixir \u304b\u3089 Rust \u306e\u95a2\u6570\u3092\u547c\u3076\u3053\u3068\u3067\u3001\u5186\u5468\u7387 $pi$ \u306e\u8fd1\u4f3c\u5024\u3092\u6c42\u3081\u308b\u8a08\u7b97\u3092\u9ad8\u901f\u5316\u3059\u308b\u3002Erl […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45378-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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