{"id":45058,"date":"2023-12-06T20:43:03","date_gmt":"2023-03-12T18:30:44","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45058-2\/"},"modified":"2024-05-04T12:25:22","modified_gmt":"2024-05-04T04:25:22","slug":"45058-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45058-2\/","title":{"rendered":""},"content":{"rendered":"<h1>\u4f55\u6545 clang++ \u7de8\uff1f<\/h1>\n<p>\u524d\u8a18\u4e8b\u3067\u3001clang \u3067\u3082\u7d50\u679c\u5909\u308f\u3089\u306a\u3044\u3063\u3066\u66f8\u3044\u3066\u3042\u3063\u305f\u3058\u3083\u3093\uff1f<br \/>\n\u2192 \u518d\u5ea6\u8ffd\u8a66\u3092\u884c\u3063\u305f\u3089\u9055\u3046\u7d50\u679c\u304c\u51fa\u3066\u304d\u307e\u3057\u305f\u3002\u3054\u3081\u3093\u306a\u3055\u3044\u3002<br \/>\n\uff08\u6050\u3089\u304f\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u305f\u5f8c\u306b\u30ea\u30f3\u30af\u306e\u30b3\u30de\u30f3\u30c9\u3092\u6253\u3064\u306e\u3092\u5fd8\u308c\u3066\u3044\u305f\u3082\u306e\u3068\u601d\u308f\u308c\u308b\u2026\u2026\u3002\u8f9b\u3044\uff09<\/p>\n<p>\u307e\u305f\u3001\u3053\u3061\u3089\u306e\u8a18\u4e8b\u306e\u65b9\u304c\u6b63\u78ba\u306b\u691c\u8a3c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5148\u306b\u672c\u8a18\u4e8b\u306e\u7d50\u8ad6\u3092\u66f8\u3044\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<h2>\u672c\u8a18\u4e8b\u306e\u7d50\u8ad6<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">clang++ \u306f -O3 \u3067\u30ea\u30f3\u30af\u30a2\u30f3\u30ed\u30fc\u30ea\u30f3\u30b0\u3092\u884c\u3046\uff08\u524d\u8a18\u4e8b\u304b\u3089\u306e\u4fee\u6b63 \/ \u5177\u4f53\u7684\u306b\u306f\u81ea\u5206\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u8abf\u3079\u3066\u9802\u3051\u308c\u3070\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u4e0b\u8a18\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u74b0\u5883\u306b\u304a\u3044\u3066\u306f\u3001clang++ \u3067\u306e\u51fa\u529b\u7d50\u679c\u306f Rust \u306e\u51fa\u529b\u3068\u6bd4\u8f03\u3057\u3066\u3001\u7d71\u8a08\u7684\u306b\u6709\u610f\uff08p &lt; 0.01\uff09\u306b\u901f\u3044<\/ul>\n<h2>\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u74b0\u5883<\/h2>\n<h3>\u30b3\u30f3\u30d1\u30a4\u30e9 on \u74b0\u5883\u305d\u306e2<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">clang<\/ul>\n<\/li>\n<\/ul>\n<p>8.0.0<\/p>\n<p>Rustc<\/p>\n<p>1.39.0-nightly<\/p>\n<p>\u74b0\u5883\u305d\u306e2\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u305f\u3082\u306e\u3092\u74b0\u5883\u305d\u306e1\u3067\u6d41\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u74b0\u5883\u305d\u306e1<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">OS<\/ul>\n<\/li>\n<\/ul>\n<p>Fedora 30<\/p>\n<p>CPU<\/p>\n<p>AMD A6-1450<\/p>\n<p>Memory<\/p>\n<p>DDR3-1333 4GB x 1 (4GB)<\/p>\n<h3>\u74b0\u5883\u305d\u306e2<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">OS<\/ul>\n<\/li>\n<\/ul>\n<p>Fedora 30<\/p>\n<p>CPU<\/p>\n<p>Intel i7 4771<\/p>\n<p>Memory<\/p>\n<p>DDR3-1600 8GB x 2 (16GB)<\/p>\n<h2>\u6e2c\u5b9a\u6761\u4ef6<\/h2>\n<h3>\u30b3\u30f3\u30d1\u30a4\u30eb\u30b3\u30de\u30f3\u30c9<\/h3>\n<pre class=\"post-pre\"><code># libSolveRust.so \u306f\u524d\u56de\u306e\u3082\u306e\u3092\u6d41\u7528\u3059\u308b\u3082\u306e\u3068\u3057\u3066\u3001\u7701\u7565\r\n# clang++ \u3067\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\r\nclang++ main.cpp -I\/usr\/include\/c++\/9\/x86_64-redhat-linux\/ -O3 -c -o main.o\r\n# \u30ea\u30f3\u30af\r\ng++ main.o -L. -lSolveRust\r\n<\/code><\/pre>\n<p>\u3053\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u3066main.cpp\u306e\u307f\u7de8\u96c6\u3057\u3001 Rust \u2192 C++ \u2192 C++ \u2192 Rust\u306e\u9806\u756a\u3067\u5b9f\u884c\u3059\u308b\u30d0\u30a4\u30ca\u30ea\u53ca\u3073\u3001 C++ \u2192 Rust \u2192 Rust \u2192 C++\u306e\u9806\u756a\u3067\u5b9f\u884c\u3059\u308b\u30d0\u30a4\u30ca\u30ea\u306e\u8a082\u3064\u3092\u7528\u610f\u3057\u305f\u3002<\/p>\n<h3>\u5b9f\u884c\u56de\u6570<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u74b0\u5883\u305d\u306e1\u3067\u306fRust \u2192 C++ \u2192 C++ \u2192 Rust\u306e\u30d0\u30a4\u30ca\u30ea\u309220\u56de\u5b9f\u884c\u3057\u305f\u3002\uff08Rust, C++\u306e\u5404\u3005\u306740\u30b5\u30f3\u30d7\u30eb\u305a\u3064\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u74b0\u5883\u305d\u306e2\u3067\u306f2\u3064\u306e\u30d0\u30a4\u30ca\u30ea\u3092\u5404\u3005100\u56de\u5b9f\u884c\u3059\u308b\u306e\u30922\u56de\u884c\u3063\u305f\u3002\uff08Rust, C++\u306e\u5404\u3005\u3067800\u30b5\u30f3\u30d7\u30eb\u305a\u3064\uff09<\/ul>\n<h2>\u8a08\u6e2c\u7d50\u679c<\/h2>\n<p>\u4ee5\u4e0b\u3067\u8cbc\u3089\u308c\u308b\u30b0\u30e9\u30d5\u306f\u3001\u6a2a\u8ef8\u304c\u5b9f\u884c\u56de\u6570\u3001\u7e26\u8ef8\u304cSolve\u306e\u5b9f\u884c\u6642\u9593\uff08ms\uff09\u3067\u3059\u3002<\/p>\n<h3>\u74b0\u5883\u305d\u306e1<\/h3>\n<details>\u751f\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8Generating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 46.536, Solve, 7435.52, PostProcess, 6.584<br \/>\nRust, PreProcess, 43.817, Solve, 7459.02, PostProcess, 6.512<br \/>\nRust, PreProcess, 43.7, Solve, 7469.44, PostProcess, 6.947<br \/>\nSequentialNative, PreProcess, 49.377, Solve, 7603.81, PostProcess, 5.76<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 43.793, Solve, 7432.91, PostProcess, 6.422<br \/>\nRust, PreProcess, 42.819, Solve, 7471.99, PostProcess, 5.735<br \/>\nRust, PreProcess, 43.535, Solve, 7475.79, PostProcess, 5.66<br \/>\nSequentialNative, PreProcess, 43.664, Solve, 7433.53, PostProcess, 5.713<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 41.582, Solve, 7430.47, PostProcess, 6.403<br \/>\nRust, PreProcess, 43.698, Solve, 7471.96, PostProcess, 5.635<br \/>\nRust, PreProcess, 43.163, Solve, 7462.47, PostProcess, 5.72<br \/>\nSequentialNative, PreProcess, 42.248, Solve, 7419.78, PostProcess, 5.25<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 43.649, Solve, 7421.57, PostProcess, 5.47<br \/>\nRust, PreProcess, 41.425, Solve, 7475.46, PostProcess, 5.697<br \/>\nRust, PreProcess, 41.874, Solve, 7469.53, PostProcess, 5.636<br \/>\nSequentialNative, PreProcess, 43.456, Solve, 7432.9, PostProcess, 5.651<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 44.004, Solve, 7443.77, PostProcess, 5.707<br \/>\nRust, PreProcess, 42.41, Solve, 7467.45, PostProcess, 5.665<br \/>\nRust, PreProcess, 43.423, Solve, 7471.64, PostProcess, 5.658<br \/>\nSequentialNative, PreProcess, 42.495, Solve, 7417.09, PostProcess, 5.378<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 43.938, Solve, 7415.61, PostProcess, 5.558<br \/>\nRust, PreProcess, 42.728, Solve, 7459.35, PostProcess, 5.663<br \/>\nRust, PreProcess, 41.35, Solve, 7465.66, PostProcess, 5.687<br \/>\nSequentialNative, PreProcess, 43.277, Solve, 7421, PostProcess, 5.445<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 41.57, Solve, 7407.09, PostProcess, 5.531<br \/>\nRust, PreProcess, 42.595, Solve, 7451.06, PostProcess, 5.621<br \/>\nRust, PreProcess, 43.365, Solve, 7458.52, PostProcess, 5.556<br \/>\nSequentialNative, PreProcess, 41.133, Solve, 7424.89, PostProcess, 5.367<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 43.564, Solve, 7441.41, PostProcess, 5.779<br \/>\nRust, PreProcess, 41.476, Solve, 7471.34, PostProcess, 5.633<br \/>\nRust, PreProcess, 41.266, Solve, 7462.76, PostProcess, 5.714<br \/>\nSequentialNative, PreProcess, 43.277, Solve, 7456.74, PostProcess, 5.464<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 43.55, Solve, 7419.47, PostProcess, 5.526<br \/>\nRust, PreProcess, 41.23, Solve, 7489.61, PostProcess, 5.523<br \/>\nRust, PreProcess, 42.019, Solve, 7467.35, PostProcess, 5.541<br \/>\nSequentialNative, PreProcess, 41.42, Solve, 7422.92, PostProcess, 5.624<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 41.751, Solve, 7440.62, PostProcess, 5.373<br \/>\nRust, PreProcess, 42.39, Solve, 7474.82, PostProcess, 5.516<br \/>\nRust, PreProcess, 41.008, Solve, 7465.9, PostProcess, 5.436<br \/>\nSequentialNative, PreProcess, 41.701, Solve, 7429.15, PostProcess, 5.501<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 44.135, Solve, 7416, PostProcess, 5.71<br \/>\nRust, PreProcess, 43.874, Solve, 7477.67, PostProcess, 5.568<br \/>\nRust, PreProcess, 42.902, Solve, 7476.97, PostProcess, 5.579<br \/>\nSequentialNative, PreProcess, 43.827, Solve, 7444.09, PostProcess, 5.682<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 41.671, Solve, 7450.28, PostProcess, 5.814<br \/>\nRust, PreProcess, 41.627, Solve, 7472.48, PostProcess, 5.467<br \/>\nRust, PreProcess, 43.53, Solve, 7467.89, PostProcess, 5.763<br \/>\nSequentialNative, PreProcess, 41.289, Solve, 7431.97, PostProcess, 5.555<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 41.948, Solve, 7422.41, PostProcess, 5.309<br \/>\nRust, PreProcess, 43.945, Solve, 7472.94, PostProcess, 5.808<br \/>\nRust, PreProcess, 43.039, Solve, 7464.25, PostProcess, 5.4<br \/>\nSequentialNative, PreProcess, 42.787, Solve, 7427.44, PostProcess, 5.594<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 43.292, Solve, 7428.2, PostProcess, 5.551<br \/>\nRust, PreProcess, 41.181, Solve, 7465.17, PostProcess, 5.479<br \/>\nRust, PreProcess, 41.408, Solve, 7464.66, PostProcess, 5.809<br \/>\nSequentialNative, PreProcess, 42.568, Solve, 7429.14, PostProcess, 5.548<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 43.786, Solve, 7427.12, PostProcess, 5.46<br \/>\nRust, PreProcess, 43.255, Solve, 7462.49, PostProcess, 5.565<br \/>\nRust, PreProcess, 46.043, Solve, 7472.55, PostProcess, 5.524<br \/>\nSequentialNative, PreProcess, 42.449, Solve, 7441.32, PostProcess, 5.633<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 43.566, Solve, 7418.71, PostProcess, 5.55<br \/>\nRust, PreProcess, 42.665, Solve, 7456.97, PostProcess, 5.627<br \/>\nRust, PreProcess, 42.722, Solve, 7465.98, PostProcess, 5.671<br \/>\nSequentialNative, PreProcess, 43.447, Solve, 7423.07, PostProcess, 5.568<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 42.095, Solve, 7423.1, PostProcess, 5.58<br \/>\nRust, PreProcess, 41.659, Solve, 7466.42, PostProcess, 5.654<br \/>\nRust, PreProcess, 41.801, Solve, 7455.87, PostProcess, 5.612<br \/>\nSequentialNative, PreProcess, 43.358, Solve, 7410.63, PostProcess, 5.559<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 42.212, Solve, 7428.34, PostProcess, 5.506<br \/>\nRust, PreProcess, 42.701, Solve, 7478.29, PostProcess, 5.496<br \/>\nRust, PreProcess, 43.163, Solve, 7483.22, PostProcess, 5.577<br \/>\nSequentialNative, PreProcess, 42.366, Solve, 7445.22, PostProcess, 5.581<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 43.629, Solve, 7451.63, PostProcess, 5.63<br \/>\nRust, PreProcess, 42.068, Solve, 7480.78, PostProcess, 5.635<br \/>\nRust, PreProcess, 42.279, Solve, 7492.77, PostProcess, 5.615<br \/>\nSequentialNative, PreProcess, 41.138, Solve, 7432.22, PostProcess, 5.757<br \/>\nGenerating Problem&#8230;<br \/>\nSequentialNative, PreProcess, 43.525, Solve, 7427.78, PostProcess, 5.664<br \/>\nRust, PreProcess, 42.975, Solve, 7462.58, PostProcess, 5.613<br \/>\nRust, PreProcess, 42.951, Solve, 7467.68, PostProcess, 5.495<br \/>\nSequentialNative, PreProcess, 44.966, Solve, 7422.13, PostProcess, 5.551<\/p>\n<\/details>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5ca137434c4406ceef74\/26-0.png\" alt=\"img1.png\" \/><\/div>\n<h4>t-\u691c\u5b9a<\/h4>\n<pre class=\"post-pre\"><code>    Welch Two Sample t-test\r\n\r\ndata:  cpp and rust\r\nt = -7.2259, df = 45.615, p-value = 4.377e-09\r\nalternative hypothesis: true difference in means is not equal to 0\r\n95 percent confidence interval:\r\n -45.3178 -25.5672\r\nsample estimates:\r\nmean of x mean of y \r\n 7433.776  7469.219 \r\n<\/code><\/pre>\n<h3>\u74b0\u5883\u305d\u306e2<\/h3>\n<p>\uff08\u751f\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u306f\u3067\u304b\u3059\u304e\u308b\u306e\u3067\u7701\u7565\uff09<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5ca137434c4406ceef74\/32-0.png\" alt=\"img2.png\" \/><\/div>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">200\u56de\u3054\u3068\u306b\u5207\u308c\u5207\u308c\u306b\u8a08\u6e2c\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u306e\u9593\u306bCPU\u6e29\u5ea6\u304c\u4e0b\u304c\u308a\u5468\u671f\u7684\u306b\u6642\u9593\u304c\u77ed\u304f\u306a\u3063\u3066\u3044\u308b\u5834\u6240\u304c\u3042\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u3053\u308c\u306f\u5f0a\u74b0\u5883\u306e\u7a7a\u51b7\u304c\u8ca7\u5f31\u306a\u305f\u3081\u3067\u3042\u308b<\/p>\n<p>400\u56de\u76ee\u307e\u3067\u304c\u3001Rust \u2192 C++ \u2192 C++ \u2192 Rust \u306e\u9806\u756a\u3067\u306e\u8a08\u6e2c\u3001\u305d\u308c\u4ee5\u964d\u304c C++ \u2192 Rust \u2192 Rust \u2192 C++ \u3067\u3042\u308b\u3002<\/p>\n<h4>t-\u691c\u5b9a<\/h4>\n<pre class=\"post-pre\"><code>    Welch Two Sample t-test\r\n\r\ndata:  cpp and rust\r\nt = -3.2078, df = 1596.6, p-value = 0.001364\r\nalternative hypothesis: true difference in means is not equal to 0\r\n95 percent confidence interval:\r\n -63.32819 -15.26924\r\nsample estimates:\r\nmean of x mean of y \r\n 2491.068  2530.366 \r\n<\/code><\/pre>\n<h2>\u7d50\u8ad6<\/h2>\n<p>Rust \u3088\u308a C++ \u306e\u65b9\u304c\u901f\u3044 ?<\/p>\n<h2>\u611f\u60f3<\/h2>\n<p>\u8a00\u8a9e\u9593\u306e\u901f\u5ea6\u306e\u6bd4\u8f03\u306f\u8a71\u984c\u306b\u306a\u308b\u3082\u306e\u306e\u3001\u5b9f\u88c5\u8005\u306e\u8155\u3084\u3089\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u6700\u9069\u5316\u306e\u5dee\u3084\u3089\u3067\u53b3\u5bc6\u306b\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u306f\u672c\u5f53\u306b\u96e3\u3057\u3044\u306a\u3041\u3068\u601d\u3044\u307e\u3057\u305f\u3002<br \/>\n\u307e\u305f\u3001\u5b9f\u884c\u3059\u308bCPU\u306b\u3088\u3063\u3066\u3082\u30ec\u30b8\u30b9\u30bf\u30ea\u30cd\u30fc\u30df\u30f3\u30b0\u306e\u5f37\u3055\u3084\u3089\u3001\u5206\u5c90\u4e88\u6e2c\u306e\u5f37\u3055\u3084\u3089\u3001\u547d\u4ee4\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u30fb\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u306e\u9055\u3044\u306a\u3069\u306a\u3069\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u304c\u591a\u3059\u304e\u308b\u306e\u3067\u3053\u306e\u7d50\u679c\u304c\u4ed6\u306eCPU\u3067\u3082\u540c\u3058\u3068\u306f\u5230\u5e95\u8a00\u3048\u307e\u305b\u3093\u3002<br 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