{"id":45223,"date":"2023-11-02T08:56:29","date_gmt":"2023-08-14T23:08:09","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45223-2\/"},"modified":"2024-05-04T07:07:18","modified_gmt":"2024-05-03T23:07:18","slug":"45223-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45223-2\/","title":{"rendered":""},"content":{"rendered":"

\u306f\u3058\u3081\u306b<\/h1>\n

\u3069\u3046\u3082\u3001\u30ec\u30ac\u30b7\u30fc\u7d44\u8fbc\u307f\u30a8\u30f3\u30b8\u30cb\u30a2\u306e@yagisawa\u3067\u3059\u3002
\nRust\u306b\u95a2\u3057\u3066\u30cd\u30c3\u30c8\u30b5\u30fc\u30d5\u30a3\u30f3\u3057\u3066\u3044\u308b\u3068\u3001<\/p>\n

\u7d50\u5c40C\u306b\u306f\u6575\u308f\u306a\u3044\u3002\u7d44\u8fbc\u307f\u306f\u30a2\u30bb\u30f3\u30d6\u30ea\u3067\u901f\u5ea6\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3059\u308b\u4e16\u754c\u3060\u3002<\/p><\/blockquote>\n

\u307f\u305f\u3044\u306a\u66f8\u8fbc\u307f\u3092\u898b\u304b\u3051\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002
\n\u305d\u3053\u3067\u3001\u6575\u308f\u306a\u3044\u306e\u306f\u305d\u3046\u306a\u306e\u304b\u3082\u3057\u308c\u306a\u3044\u3051\u3069\u3001\u5b9f\u969b\u3069\u3093\u3060\u3051\u6575\u308f\u306a\u3044\u306e\u3088\uff1f\u3068\u3044\u3046\u306e\u3092\u8abf\u3079\u3066\u307f\u307e\u3057\u305f\u3002
\nRust\u306e\u901f\u5ea6\u306b\u3064\u3044\u3066\u8abf\u3079\u3066\u3044\u305f\u3089\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3092\u898b\u3064\u3051\u305f\u306e\u3067\u3001\u6bd4\u8f03\u3059\u308b\u51e6\u7406\u306f\u30e2\u30f3\u30c6\u30ab\u30eb\u30ed\u6cd5\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n

 <\/p>\n

\u7d44\u8fbc\u307f\u3067\u306f(\u901f\u5ea6\u7684\u306a\u7406\u7531\u3067)\u6d6e\u52d5\u5c0f\u6570\u70b9\u6f14\u7b97\u3092\u907f\u3051\u308b\u50be\u5411\u306b\u3042\u308b\u305f\u3081\u3001\u672c\u8a18\u4e8b\u3067\u306f100\u500d\u3057\u305f\u6574\u6570\u5024(\u3064\u307e\u308a\u8a08\u7b97\u7d50\u679c\u304c314\u4ed8\u8fd1\u306b\u306a\u308b)\u3092\u6271\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

\n

\u672c\u8a18\u4e8b\u306e\u8da3\u65e8\u306fC\u3068Rust\u3067\u540c\u7b49\u306a\u5b9f\u88c5(\u8a00\u8a9e\u4ed5\u69d8\u4e0a\u5408\u308f\u305b\u3089\u308c\u306a\u3044\u90e8\u5206\u3092\u9664\u304f)\u3092\u3057\u3001\u901f\u5ea6\u6bd4\u8f03\u3092\u3059\u308b\u3068\u3053\u308d\u306b\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5b9f\u88c5\u306e\u6b63\u78ba\u6027\u3084\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u7cbe\u5ea6\u306f\u672c\u8cea\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u306e\u3067\u4e88\u3081\u3054\u4e86\u627f\u4e0b\u3055\u3044\u3002<\/p>\n<\/div>\n

\u74b0\u5883<\/h1>\n

\u5171\u901a<\/h2>\n
    \n
  • \n
      OS<\/ul>\n<\/li>\n<\/ul>\n

      Windows 10 Home 21H2(64bit)<\/p>\n

      \u30dc\u30fc\u30c9<\/p>\n

      NUCLEO-F401RE<\/p>\n

      \u30af\u30ed\u30c3\u30af\uff1a\u6700\u592784MHz
      \nROM\uff1a512KB
      \nRAM\uff1a96KB<\/p>\n

      C<\/h2>\n
        \n
      • \n
          arm-none-eabi-gcc<\/ul>\n<\/li>\n<\/ul>\n

          10.3.1 20210824<\/p>\n

          \u6700\u9069\u5316<\/p>\n

          -Ofast<\/p>\n

          Rust<\/h2>\n
            \n
          • \n
              rustc\u30fbcargo<\/ul>\n<\/li>\n<\/ul>\n

              1.65.0-nightly<\/p>\n

              \u6700\u9069\u5316<\/p>\n

              –release(\u901f\u5ea6\u6700\u9069\u5316\u306eMAX)<\/p>\n

              \u30b3\u30fc\u30c9<\/h1>\n

              \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u5b9f\u884c\u6642\u9593\u3092SysTick\u30671ms\u5358\u4f4d\u3067\u8a08\u6e2c\u3059\u308b\u30b3\u30fc\u30c9\u3092\u66f8\u304d\u307e\u3057\u305f\u3002
              \n\u30e9\u30a4\u30d6\u30e9\u30ea\u3082\u542b\u3081\u3066\u8a00\u8a9e\u306e\u5b9f\u529b\u306a\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u5dee\u304c\u51fa\u306a\u3044\u3088\u3046\u306b\u4e71\u6570\u751f\u6210\u306f\u7dda\u5f62\u5408\u540c\u6cd5\u3067\u81ea\u4f5c\u3057\u307e\u3057\u305f\u3002<\/p>\n

              static<\/span> int<\/span> cnt<\/span> =<\/span> 0<\/span>;<\/span>\r\n\r\nvoid<\/span> SysTick_Handler<\/span>()<\/span> {<\/span>\r\n\tcnt<\/span>++<\/span>;<\/span>\r\n}<\/span>\r\n\r\nint32_t<\/span> rand<\/span>()<\/span> {<\/span>\r\n\tstatic<\/span> int64_t<\/span> x<\/span> =<\/span> 10<\/span>;<\/span>\r\n\tconst<\/span> int64_t<\/span>  a<\/span> =<\/span> 48271<\/span>;<\/span>\r\n\tconst<\/span> int64_t<\/span>  b<\/span> =<\/span> 2147483647<\/span>;<\/span>\r\n\tx<\/span> =<\/span> (<\/span>a<\/span> *<\/span> x<\/span>)<\/span> &<\/span> b<\/span>;<\/span>\r\n\r\n\treturn<\/span> (<\/span>int32_t<\/span>)<\/span>x<\/span>;<\/span>\r\n}<\/span>\r\n\r\nint32_t<\/span> montecarlo<\/span>()<\/span> {<\/span>\r\n\tconst<\/span> int32_t<\/span> times<\/span> =<\/span> 100000<\/span>;<\/span>\r\n\tint32_t<\/span>       cnt<\/span>   =<\/span> 0<\/span>;<\/span>\r\n\r\n\tfor<\/span> (<\/span>int32_t<\/span> i<\/span> =<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> times<\/span>;<\/span> i<\/span>++<\/span>)<\/span> {<\/span>\r\n\t\tconst<\/span> int32_t<\/span> x<\/span> =<\/span> rand<\/span>()<\/span> %<\/span> 1000<\/span>;<\/span>\r\n\t\tconst<\/span> int32_t<\/span> y<\/span> =<\/span> rand<\/span>()<\/span> %<\/span> 1000<\/span>;<\/span>\r\n\r\n\t\tif<\/span> ((<\/span>x<\/span> *<\/span> x<\/span> +<\/span> y<\/span> *<\/span> y<\/span>)<\/span> <=<\/span> 1000000<\/span>)<\/span> {<\/span>\r\n\t\t\tcnt<\/span>++<\/span>;<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n\r\n\treturn<\/span> cnt<\/span> *<\/span> 400<\/span> \/<\/span> times<\/span>;<\/span>\r\n}<\/span>\r\n\r\nint<\/span> main<\/span>()<\/span> {<\/span>\r\n\tconst<\/span> int32_t<\/span>    times<\/span>  =<\/span> 10<\/span>;<\/span>\r\n\tvolatile<\/span> int32_t<\/span> result<\/span> =<\/span> 0<\/span>;<\/span>\r\n\r\n\tvolatile<\/span> uint32_t<\/span>*<\/span> stk_ctrl_addr<\/span> =<\/span> (<\/span>uint32_t<\/span>*<\/span>)<\/span>0xE000E010<\/span>;<\/span>\r\n\tvolatile<\/span> uint32_t<\/span>*<\/span> stk_load_addr<\/span> =<\/span> (<\/span>uint32_t<\/span>*<\/span>)<\/span>0xE000E014<\/span>;<\/span>\r\n\tvolatile<\/span> uint32_t<\/span>*<\/span> stk_val_addr<\/span>  =<\/span> (<\/span>uint32_t<\/span>*<\/span>)<\/span>0xE000E018<\/span>;<\/span>\r\n\r\n    *<\/span>stk_val_addr<\/span>  =<\/span> 0<\/span>;<\/span>\r\n    *<\/span>stk_load_addr<\/span> =<\/span> 2000<\/span>;<\/span>\r\n    *<\/span>stk_ctrl_addr<\/span> =<\/span> 0x3<\/span>;<\/span>\r\n\r\n\tfor<\/span> (<\/span>int32_t<\/span> i<\/span> =<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> times<\/span>;<\/span> i<\/span>++<\/span>)<\/span> {<\/span>\r\n\t\tresult<\/span> +=<\/span> montecarlo<\/span>();<\/span>\r\n\t}<\/span>\r\n\tresult<\/span> =<\/span> (<\/span>result<\/span> +<\/span> times<\/span> -<\/span> 1<\/span>)<\/span> \/<\/span> times<\/span>;<\/span>\r\n\r\n\twhile<\/span> (<\/span> 1<\/span> );<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
              static<\/span> mut<\/span> CNT<\/span>:<\/span> i32<\/span> =<\/span> 0<\/span>;<\/span>\r\n\r\n#[no_mangle]<\/span>\r\nunsafe<\/span> extern<\/span> \"C\"<\/span> fn<\/span> SysTick<\/span>()<\/span> {<\/span>\r\n    CNT<\/span> +=<\/span> 1<\/span>;<\/span>\r\n}<\/span>\r\n\r\nfn<\/span> rand<\/span>()<\/span> -><\/span> i32<\/span> {<\/span>\r\n    static<\/span> mut<\/span> X<\/span>:<\/span> i64<\/span> =<\/span> 10<\/span>;<\/span>\r\n    let<\/span>        a<\/span>:<\/span> i64<\/span> =<\/span> 48271<\/span>;<\/span>\r\n    let<\/span>        b<\/span>:<\/span> i64<\/span> =<\/span> 2147483647<\/span>;<\/span>\r\n    unsafe<\/span> {<\/span>\r\n        X<\/span> =<\/span> (<\/span>a<\/span> *<\/span> X<\/span>)<\/span> &<\/span> b<\/span>;<\/span>\r\n        X<\/span> as<\/span> i32<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\nfn<\/span> montecarlo<\/span>()<\/span> -><\/span> i32<\/span> {<\/span>\r\n    let<\/span> times<\/span>   =<\/span> 100000<\/span>;<\/span>\r\n    let<\/span> mut<\/span> cnt<\/span> =<\/span> 0<\/span>;<\/span>\r\n\r\n    for<\/span> _<\/span> in<\/span> 0<\/span>..<\/span>times<\/span> {<\/span>\r\n        let<\/span> x<\/span> =<\/span> rand<\/span>()<\/span> %<\/span> 1000<\/span>;<\/span>\r\n        let<\/span> y<\/span> =<\/span> rand<\/span>()<\/span> %<\/span> 1000<\/span>;<\/span>\r\n\r\n        if<\/span> (<\/span>x<\/span> *<\/span> x<\/span> +<\/span> y<\/span> *<\/span> y<\/span>)<\/span> <=<\/span> 1000_000<\/span> {<\/span>\r\n            cnt<\/span> +=<\/span> 1<\/span>;<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n\r\n    cnt<\/span> *<\/span> 400<\/span> \/<\/span> times<\/span>\r\n}<\/span>\r\n\r\nfn<\/span> main<\/span>()<\/span> -><\/span> !<\/span> {<\/span>\r\n    let<\/span>     times<\/span>  =<\/span> 10<\/span>;<\/span>\r\n    let<\/span> mut<\/span> result<\/span> =<\/span> 0<\/span>;<\/span>\r\n\r\n    let<\/span> stk_ctrl_addr<\/span>  =<\/span> 0xE000_E010<\/span> as<\/span> *<\/span>mut<\/span> usize<\/span>;<\/span>\r\n    let<\/span> stk_load_addr<\/span>  =<\/span> 0xE000_E014<\/span> as<\/span> *<\/span>mut<\/span> usize<\/span>;<\/span>\r\n    let<\/span> stk_val_addr<\/span>   =<\/span> 0xE000_E018<\/span> as<\/span> *<\/span>mut<\/span> usize<\/span>;<\/span>\r\n\r\n    unsafe<\/span> {<\/span>\r\n        write_volatile<\/span>(<\/span>stk_val_addr<\/span>,<\/span>  0<\/span>);<\/span>\r\n        write_volatile<\/span>(<\/span>stk_load_addr<\/span>,<\/span> 2_000<\/span>);<\/span>\r\n        write_volatile<\/span>(<\/span>stk_ctrl_addr<\/span>,<\/span> 0x3<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    for<\/span> _<\/span> in<\/span> 0<\/span>..<\/span>times<\/span> {<\/span>\r\n        result<\/span> +=<\/span> montecarlo<\/span>();<\/span>\r\n    }<\/span>\r\n    unsafe<\/span> {<\/span>\r\n        write_volatile<\/span>(<\/span>&<\/span>mut<\/span> result<\/span>,<\/span> (<\/span>result<\/span> +<\/span> times<\/span> -<\/span> 1<\/span>)<\/span> \/<\/span> times<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    loop<\/span> {}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
              \u7d50\u679c<\/h1>\n
              \u4e00\u5148\u305a\u6700\u9069\u5316\u306a\u3057\u3067\u6bd4\u8f03\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
              \n
              CRust11,090ms22,832ms<\/div>\n<\/div>\n
              \u3041\u3001\u3053\u308c\u3042\u304b\u3093\u3084\u3064\u3084\u2026
              \n\u306a\u3093\u30682\u500d\u4ee5\u4e0a\u9045\u3044\u7d50\u679c\u306b\u3002
              \n\u307b\u3089\u3001\u3084\u3063\u3071\u308a\u9045\u3044\uff01\u3068\u304b\u8a00\u308f\u308c\u305d\u3046\u2026<\/p>\n
              \u307e\u3041\u7d44\u8fbc\u307f\u30bd\u30d5\u30c8\u3067\u6700\u9069\u5316\u304b\u3051\u306a\u3044\u3068\u304b\u3042\u308a\u3048\u306a\u3044\u306e\u3067\u3001\u672c\u547d\u306e\u6700\u9069\u5316\u3042\u308a\u3067\u6bd4\u8f03\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
              \n
              CRust1,126ms1,186ms<\/div>\n<\/div>\n
              \u304a\u30fc\u3001\u6b86\u3069\u5dee\u304c\u306a\u3044\uff01
              \n\u540c\u3058\u51e6\u7406\u309210\u56de\u7e70\u308a\u8fd4\u3057\u3066\u3044\u308b\u306e\u30671\u56de\u3042\u305f\u308a6ms\u5dee\u304c\u51fa\u3066\u3044\u307e\u3059\u3002
              \n\u6b63\u76f4\u7d44\u8fbc\u307f\u30676ms\u306e\u5dee\u306f\u3067\u304b\u3044\u3067\u3059\u304c\u3001\u7d50\u69cb\u9811\u5f35\u3063\u3066\u3044\u308b\u65b9\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n
              \u8a00\u3044\u8a33\u3059\u308b\u3068\u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7\u304c\u624b\u629c\u304d\u5b9f\u88c5\u3067\u3001\u672c\u676584MHz\u3067\u52d5\u3051\u308b\u3068\u3053\u308d16MHz\u3067\u52d5\u3044\u3066\u3044\u308b(1\/5.25)\u305f\u3081\u3001\u672c\u6c17\u51fa\u3057\u305f\u3089\u7d041ms\u306e\u5dee\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u4f5c\u308b\u30b7\u30b9\u30c6\u30e0\u306b\u3082\u3088\u308a\u307e\u3059\u304c\u3001\u6700\u8fd1\u306f\u6570\u767eMhz\uff5e1GHz\u3050\u3089\u3044\u306e\u30de\u30a4\u30b3\u30f3\u3082\u3042\u308b\u305f\u3081\u3001\u305d\u306e\u3088\u3046\u306a\u30de\u30a4\u30b3\u30f3\u3067\u306f\u66f4\u306b\u5dee\u306f\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u3002
              \n\u307e\u3041\u9045\u304b\u3063\u305f\u3068\u3044\u3046\u4e8b\u5b9f\u306f\u5909\u308f\u308a\u307e\u305b\u3093\u304c\uff3f|\uffe3|\u25cb<\/p>\n
              \u691c\u8a3c<\/h1>\n
              \u6642\u9593\u304c\u3042\u3063\u305f\u3089\u3069\u3093\u306a\u30de\u30b7\u30f3\u8a9e\u304c\u751f\u6210\u3055\u308c\u3066\u3044\u308b\u304b\u6bd4\u8f03\u3057\u3066\u307f\u3088\u3046\u3068\u601d\u3063\u3066\u307e\u3059\u3002<\/p>\n
              \u4e00\u5148\u305a\u30ea\u30ea\u30fc\u30b9\u30d3\u30eb\u30c9\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u30b5\u30a4\u30ba\u3092\u6652\u3057\u3066\u304a\u304d\u307e\u3059\u3068\u3001<\/p>\n
              Sections:\r\nName          Size      VMA       LMA       File off  Algn\r\n.isr_vector   00000040  08000000  08000000  00010000  2**0\r\n.text         000001b4  08000040  08000040  00010040  2**2\r\n.rodata       00000000  080001f4  080001f4  00020008  2**0\r\n.data         00000008  20000000  080001fc  00020000  2**3\r\n.bss          00000020  20000008  08000204  00020008  2**2\r\n<\/code><\/pre>\n
              Sections:\r\nName            Size     VMA      LMA      Type\r\n.vector_table   00000040 08000000 08000000 DATA\r\n.text           000017b6 08000040 08000040 TEXT\r\n.rodata         00000000 080017f6 080017f6 TEXT\r\n.bss            00000004 20000000 20000000 BSS\r\n.data           00000008 20000008 080017f6 DATA\r\n<\/code><\/pre>\n
              \u3068\u3044\u3046\u7d50\u679c\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
              Rust\u306e\u6700\u9069\u5316\u306f\u30d0\u30a4\u30ca\u30ea\u30b5\u30a4\u30ba\u3092\u72a0\u7272\u306b\u3057\u3066\u901f\u5ea6\u3092\u6700\u9069\u5316\u3057\u3066\u3044\u308b\u306e\u3067\u3001text\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u30b5\u30a4\u30ba\u304c6,070Byte\u3001\u5bfe\u3057\u3066C\u306f436Byte\u2026\u3053\u308c\u3067\u901f\u5ea6\u3067\u8ca0\u3051\u3066\u308b\u3093\u3060\u304b\u3089\u6557\u5317\u611f\u3057\u304b\u306a\u3044\uff3f|\uffe3|\u25cb<\/p>\n
              \u304a\u308f\u308a\u306b<\/h1>\n
              \u307e\u3060\u307e\u3060\u8abf\u6574\u306e\u4f59\u5730\u306f\u3042\u308b\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u666e\u901a\u306b\u3084\u3063\u305f\u5834\u5408\u3084\u3063\u3071\u308aRust\u306f(C\u3088\u308a\u306f)\u9045\u304b\u3063\u305f\u3067\u3059\u3002
              \n\u304c\u3001\u7d76\u671b\u7684\u306b\u5dee\u304c\u51fa\u305f\u308f\u3051\u3067\u3082\u306a\u3044\u3067\u3059\u3057\u3001Rust\u304c\u751f\u304d\u308b\u5834\u9762\u306f\u4e2d\uff5e\u5927\u898f\u6a21\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u60b2\u89b3\u306f\u3057\u306a\u3044\u3067\u304a\u3053\u3046\u3068\u601d\u3044\u307e\u3059\u3002
              \n\u307e\u305f\u4eca\u56de\u306e\u6bd4\u8f03\u3067\u306f\u30bc\u30ed\u30b3\u30b9\u30c8\u62bd\u8c61\u5316\u7b49Rust\u306e\u3044\u3044\u9762\u3092\u751f\u304b\u3057\u305f\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u30a8\u30e9\u30fc\u30c1\u30a7\u30c3\u30af\u7b49\u5b89\u5168\u9762\u306b\u914d\u616e\u3057\u305f\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3044\u304f\u3068\u307e\u305f\u9055\u3063\u3066\u304f\u308b\u3068\u601d\u3044\u307e\u3059(Rust\u306f\u30d3\u30eb\u30c9\u6642\u306b\u30a8\u30e9\u30fc\u30c1\u30a7\u30c3\u30af\u3067\u304d\u308b\u3053\u3068\u304c\u591a\u3044\u306e\u3067)\u3002
              \n\u30ea\u30bd\u30fc\u30b9\u304c\u8ca7\u5f31\u3067\u30b4\u30ea\u30b4\u30ea\u306b\u901f\u5ea6\u30c1\u30e5\u30fc\u30f3\u3057\u305f\u30b3\u30fc\u30c9\u3092\u66f8\u304d\u305f\u3044\u5834\u5408\u306fC\u3001\u30ea\u30bd\u30fc\u30b9\u306f\u4f59\u88d5\u304c\u3042\u308b\u304b\u3089\u5b89\u5168\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304d\u305f\u3044\u5834\u5408\u306fRust\u3001\u3068\u3044\u3046\u68f2\u307f\u5206\u3051\u3092\u3059\u308c\u3070\u3088\u3044\u306e\u3067\u306f\u3068\u601d\u3044\u307e\u3059\u3002
              \n\u3069\u3063\u3061\u3082\u6b32\u3057\u3044\u6b32\u5f35\u308a\u3055\u3093\u306fRust\u3067\u3082\u30a2\u30bb\u30f3\u30d6\u30ea\u306f\u66f8\u3051\u307e\u3059\u306e\u3067\u3001\u30ad\u30e2\u306e\u90e8\u5206\u306f\u30a2\u30bb\u30f3\u30d6\u30ea\u305d\u306e\u4ed6\u306fRust\u3001\u3068\u3044\u3046\u9078\u629e\u80a2\u3082\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n
              \u8ffd\u8a18<\/h1>\n
              @fujitanozomu\u3055\u3093\u304b\u3089\u3054\u63d0\u6848\u3044\u305f\u3060\u3044\u305f\u30b3\u30fc\u30c9\u3092\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002
              \n\u5909\u66f4\u70b9\u306f<\/p>\n
              \/\/ rand\u5185<\/span>\r\nint64_t<\/span>    \u2192<\/span> uint32_t<\/span>\r\n\r\n\/\/ montecarlo\u5185<\/span>\r\n%<\/span> 1000<\/span>     \u2192<\/span> %<\/span> 1024U<\/span>\r\n<=<\/span> 1000000<\/span> \u2192<\/span> <=<\/span> 1046529U<\/span>\r\n<\/code><\/pre>\n
              \/\/ rand\u5185<\/span>\r\ni64<\/span>             \u2192<\/span> u32<\/span>\r\nX<\/span> =<\/span> (<\/span>a<\/span> *<\/span> X<\/span>)<\/span> &<\/span> b<\/span> \u2192<\/span> X<\/span> =<\/span> a<\/span>.wrapping_mul<\/span>(<\/span>X<\/span>)<\/span> &<\/span> b<\/span> \/\/ \u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u5bfe\u7b56<\/span>\r\n\r\n\/\/ montecarlo\u5185<\/span>\r\n%<\/span> 1000<\/span>          \u2192<\/span> %<\/span> 1024u32<\/span>\r\n<=<\/span> 1000000<\/span>      \u2192<\/span> <=<\/span> 1_046_529u32<\/span>\r\n<\/code><\/pre>\n
              \u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
              \u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
              \n
              CRust813ms690ms<\/div>\n<\/div>\n
              Rust\u304cC\u3092\u629c\u3044\u305f\u305e\uff01
              \n\u30b3\u30f3\u30d1\u30a4\u30e9\u306b\u3088\u3063\u3066\u6700\u9069\u5316\u306e\u5f97\u610f\u4e0d\u5f97\u610f\u304c\u3042\u308a\u305d\u3046\u3067\u3059\u306d\u3002<\/p>\n
              gcc\u3060\u3068\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u304cLLVM\u3067\u306f\u306a\u304f\u30d5\u30a7\u30a2\u3067\u306f\u306a\u3044\u3068\u306e\u3053\u3068\u3067\u3059\u306e\u3067\u3001\u3053\u306e\u7d50\u679c\u304c\u5168\u3066\u3067\u306f\u306a\u3044\u65e8\u3054\u627f\u77e5\u304a\u304d\u304f\u3060\u3055\u3044\u3002
              \n\u6642\u9593\u304c\u3067\u304d\u305f\u3089clang\u3067\u306e\u901f\u5ea6\u6bd4\u8f03\u3082\u3084\u3063\u3066\u307f\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
              \u30b3\u30e1\u30f3\u30c8\u306b\u3082\u66f8\u304d\u307e\u3057\u305f\u304c\u3001\u901f\u5ea6\u6bd4\u8f03\u306f\u8a00\u8a9e vs \u8a00\u8a9e\u3068\u3044\u3046\u5358\u7d14\u306a\u8a71\u3067\u306f\u306a\u304f\u3001\u5b9f\u88c5\u8005\u306e\u77e5\u8b58\u3084\u8155\u306b\u5de6\u53f3\u3055\u308c\u308b\u4e16\u754c\u306a\u3093\u3060\u306a\u2026\u3068\u3044\u3046\u306e\u304c\u4eca\u56de\u306e\u691c\u8a3c\u3067\u898b\u3048\u3066\u304d\u307e\u3057\u305f\u3002
              \n\u30c1\u30fc\u30d7\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u300c\u3053\u306e\u8a00\u8a9e\u3064\u304b\u3048\u306d\u30fc\u300d\u3068\u304b\u8a00\u308f\u306a\u3044\u3088\u3046\u306b\u6c17\u3092\u3064\u3051\u305f\u3044\u3068\u601d\u3044\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
              \u306f\u3058\u3081\u306b \u3069\u3046\u3082\u3001\u30ec\u30ac\u30b7\u30fc\u7d44\u8fbc\u307f\u30a8\u30f3\u30b8\u30cb\u30a2\u306e@yagisawa\u3067\u3059\u3002 Rust\u306b\u95a2\u3057\u3066\u30cd\u30c3\u30c8\u30b5\u30fc\u30d5\u30a3\u30f3\u3057\u3066\u3044\u308b […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45223","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\/45223-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u306f\u3058\u3081\u306b \u3069\u3046\u3082\u3001\u30ec\u30ac\u30b7\u30fc\u7d44\u8fbc\u307f\u30a8\u30f3\u30b8\u30cb\u30a2\u306e@yagisawa\u3067\u3059\u3002 Rust\u306b\u95a2\u3057\u3066\u30cd\u30c3\u30c8\u30b5\u30fc\u30d5\u30a3\u30f3\u3057\u3066\u3044\u308b […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45223-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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