{"id":8332,"date":"2025-02-10T08:32:37","date_gmt":"2025-02-10T08:32:37","guid":{"rendered":"https:\/\/howtogeek.blog\/ja\/?p=8332"},"modified":"2025-02-10T08:32:37","modified_gmt":"2025-02-10T08:32:37","slug":"resolution-for-error-no-yield-performed-721-0x2d1-follow-these-4-step-guide","status":"publish","type":"post","link":"https:\/\/howtogeek.blog\/ja\/resolution-for-error-no-yield-performed-721-0x2d1-follow-these-4-step-guide\/","title":{"rendered":"\u30a8\u30e9\u30fc No Yield Performed 721 (0x2D1) \u306e\u89e3\u6c7a\u65b9\u6cd5: \u6b21\u306e 4 \u3064\u306e\u624b\u9806\u30ac\u30a4\u30c9\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044"},"content":{"rendered":"<p><strong>ERROR_NO_YIELD_PERFORMED \u306e<\/strong>\u554f\u984c\u306f\u3001\u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u30d5\u30ed\u30fc\u3092\u4e2d\u65ad\u3055\u305b\u3001\u958b\u767a\u8005\u3092\u60a9\u307e\u305b\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u6280\u8853\u7684\u306a\u30cf\u30fc\u30c9\u30eb\u3092\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u3066\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306e\u52b9\u679c\u7684\u306a\u6226\u7565\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u6839\u672c\u7684\u306a\u539f\u56e0\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001C++ \u3067\u306e\u30b9\u30ec\u30c3\u30c9\u7ba1\u7406\u3092\u6539\u5584\u3057\u3001\u30b9\u30e0\u30fc\u30ba\u306a\u958b\u767a\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h2 id=\"h-how-can-i-fix-error-no-yield-performed\">ERROR_NO_YIELD_PERFORMED \u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5<\/h2>\n<h3 id=\"h-1-check-thread-priority\">1.\u30b9\u30ec\u30c3\u30c9\u306e\u512a\u5148\u5ea6\u3092\u8a55\u4fa1\u3057\u3066\u8abf\u6574\u3059\u308b<\/h3>\n<ul>\n<li>\u307e\u305a\u3001\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u3067\u30b9\u30ec\u30c3\u30c9\u7ba1\u7406\u306e\u5b9f\u88c5\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<li>Windows API \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b9\u30ec\u30c3\u30c9\u306e\u512a\u5148\u5ea6\u3092\u8abf\u6574\u3057\u307e\u3059\u3002<br \/>\n<blockquote>\n<p> <code><strong>SetThreadPriority(hThread, THREAD_PRIORITY_NORMAL);<\/strong><\/code><\/p>\n<\/blockquote>\n<\/li>\n<li>\u3088\u308a\u9ad8\u3044\u5fdc\u7b54\u6027\u304c\u5fc5\u8981\u306a\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u3001\u512a\u5148\u5ea6\u3092\u4e0a\u3052\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n<blockquote>\n<p> <code><strong>SetThreadPriority(hThread, THREAD_PRIORITY_ABOVE_NORMAL);<\/strong><\/code><\/p>\n<\/blockquote>\n<\/li>\n<li>\u30b9\u30ec\u30c3\u30c9\u306e\u512a\u5148\u5ea6\u3092\u5909\u66f4\u3059\u308b\u3068\u4ed6\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u5fc5\u305a\u30b9\u30ec\u30c3\u30c9\u306e\u512a\u5148\u5ea6\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306e\u5f71\u97ff\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<h3 id=\"h-2-avoid-using-unnecessary-sleep-calls\">2.\u4e0d\u5fc5\u8981\u306a\u7761\u7720\u30b3\u30fc\u30eb\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b<\/h3>\n<ul>\n<li>\u30e1\u30a4\u30f3 \u30b3\u30fc\u30c9 \u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n<li>\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u63a2\u3057\u3066<code><strong>Sleep(0);<\/strong><\/code>\u3001Sleep(1)\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059<strong>\u3002<\/strong><\/li>\n<li>\u6b21\u306e\u3088\u3046\u306b\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af \u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u614e\u91cd\u306b\u5b9f\u88c5\u3057\u3066\u304f\u3060\u3055\u3044<code><strong>SwitchToThread();<\/strong><\/code>\u3002<br \/>\n<blockquote>\n<p> <code><strong>if (!SwitchToThread()) { Sleep(1); \/\/ Fallback if no threads are waiting }<\/strong><\/code><\/p>\n<\/blockquote>\n<\/li>\n<li>\u8abf\u6574\u3092\u884c\u3063\u305f\u5f8c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u518d\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u30a8\u30e9\u30fc\u89e3\u6c7a\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3 id=\"h-3-verify-thread-availability\">3.\u30b9\u30ec\u30c3\u30c9\u306e\u53ef\u7528\u6027\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n<ul>\n<li>\u307e\u305a\u30b3\u30fc\u30c9\u3092\u78ba\u8a8d\u3057\u3066\u3001\u3059\u3079\u3066\u306e\u30b9\u30ec\u30c3\u30c9\u306e\u4f7f\u7528\u72b6\u6cc1\u3092\u8ffd\u8de1\u3057\u307e\u3059\u3002<\/li>\n<li>C++ \u30b9\u30ec\u30c3\u30c9 \u30d7\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u6b21\u306e\u70b9\u3092\u78ba\u8a8d\u3057\u3066\u5bb9\u91cf\u3092\u8d85\u3048\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<br \/>\n<blockquote>\n<p> <code><strong>std::thread::hardware_concurrency();<\/strong><\/code><\/p>\n<\/blockquote>\n<\/li>\n<li>\u5229\u7528\u53ef\u80fd\u306a\u30b9\u30ec\u30c3\u30c9\u306e\u6570\u3092\u5897\u3084\u3057\u3066\u5b9f\u9a13\u3057\u3001\u3053\u306e\u5909\u66f4\u306b\u3088\u3063\u3066\u554f\u984c\u304c\u8efd\u6e1b\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3 id=\"h-4-other-tips-to-try\">4.\u8ffd\u52a0\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u63d0\u6848<\/h3>\n<ul>\n<li>\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u3068\u30c9\u30e9\u30a4\u30d0\u30fc\u304c\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u66f4\u65b0\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>\u30bf\u30b9\u30af \u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30bd\u30fc\u30b9\u306e\u6d88\u8cbb\u91cf\u3092\u5206\u6790\u3057\u307e\u3059\u3002\u4e0d\u8981\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u9589\u3058\u3066\u4f5c\u696d\u8ca0\u8377\u3092\u8efd\u6e1b\u3059\u308b\u3068\u3001\u91cd\u8981\u306a\u30ea\u30bd\u30fc\u30b9\u3092\u89e3\u653e\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>Process Explorer \u3092<\/strong>\u4f7f\u7528\u3057\u3066\u3001\u30b9\u30bf\u30c3\u30af\u307e\u305f\u306f\u30d6\u30ed\u30c3\u30af\u3055\u308c\u305f\u30b9\u30ec\u30c3\u30c9\u3092\u8a73\u7d30\u306b\u8a55\u4fa1\u3057\u307e\u3059\u3002<\/li>\n<li><strong>Windows \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9 \u30a2\u30ca\u30e9\u30a4\u30b6\u30fc<\/strong>\u3092\u6d3b\u7528\u3057\u3066\u8a73\u7d30\u306a\u30c8\u30ec\u30fc\u30b9\u3092\u5b9f\u884c\u3057\u3001CPU \u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u306e\u52b9\u7387\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002<\/li>\n<li><strong>GetLastError()<\/strong>\u3092\u7d44\u307f\u8fbc\u3093\u3067\u554f\u984c\u3092\u30ed\u30b0\u306b\u8a18\u9332\u3057\u3001\u30a8\u30e9\u30fc \u30ec\u30dd\u30fc\u30c8\u306b\u95a2\u3059\u308b\u8ffd\u52a0\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u53ce\u96c6\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><strong>ERROR_NO_YIELD_PERFORMED<\/strong>\u30b3\u30fc\u30c9\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u30b3\u30fc\u30c9\u306f\u3001\u300c721 (0x2D1) yield \u5b9f\u884c\u304c\u5b9f\u884c\u3055\u308c\u307e\u3057\u305f\u304c\u3001\u5b9f\u884c\u3067\u304d\u308b\u30b9\u30ec\u30c3\u30c9\u304c\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u300d\u306a\u3069\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3067\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30a8\u30e9\u30fc\u306b\u8fc5\u901f\u306b\u5bfe\u51e6\u3059\u308b\u3053\u3068\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<h3><strong>1. ERROR_NO_YIELD_PERFORMED \u306f\u4f55\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u304b?<\/strong><\/h3>\n<p>ERROR_NO_YIELD_PERFORMED<strong>\u306f\u3001<\/strong>\u30b9\u30ec\u30c3\u30c9\u304c\u5b9f\u884c\u3092\u8b72\u6e21\u3057\u305f\u304c\u3001\u5b9f\u884c\u3067\u304d\u308b\u4ed6\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u306a\u3044\u5834\u5408\u306b\u767a\u751f\u3057\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5185\u3067\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u554f\u984c\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<h3><strong>2.\u30b9\u30ec\u30c3\u30c9\u306e\u512a\u5148\u5ea6\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u304b?<\/strong><\/h3>\n<p>\u30b9\u30ec\u30c3\u30c9\u306e\u512a\u5148\u5ea6\u306f\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u304c\u7af6\u5408\u3059\u308b\u30b9\u30ec\u30c3\u30c9\u9593\u3067\u30ea\u30bd\u30fc\u30b9\u3092\u5272\u308a\u5f53\u3066\u308b\u65b9\u6cd5\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002\u30b9\u30ec\u30c3\u30c9\u306e\u512a\u5148\u5ea6\u3092\u8abf\u6574\u3059\u308b\u3068\u3001\u91cd\u8981\u306a\u30d7\u30ed\u30bb\u30b9\u306e\u5fdc\u7b54\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u304c\u3001\u512a\u5148\u5ea6\u306e\u4f4e\u3044\u30b9\u30ec\u30c3\u30c9\u304c\u30ea\u30bd\u30fc\u30b9\u4e0d\u8db3\u306b\u306a\u3089\u306a\u3044\u3088\u3046\u306b\u614e\u91cd\u306b\u7ba1\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3><strong>3. Sleep() \u306e\u4ee3\u308f\u308a\u306b SwitchToThread() \u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u306f\u3069\u306e\u3088\u3046\u306a\u5834\u5408\u3067\u3059\u304b?<\/strong><\/h3>\n<p>\u5b9f\u884c\u304c\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u4ed6\u306e\u30b9\u30ec\u30c3\u30c9\u306b CPU \u3092\u81ea\u767a\u7684\u306b\u8b72\u308a\u305f\u3044\u5834\u5408\u306f\u3001<strong>SwitchToThread()<\/strong>\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u73fe\u5728\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u6307\u5b9a\u3055\u308c\u305f\u671f\u9593\u4e00\u6642\u505c\u6b62\u3057\u305f\u3044\u5834\u5408\u306f\u3001 <strong>Sleep()<\/strong>\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u4e0d\u8981\u306a\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u5207\u308a\u66ff\u3048\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001Sleep(0) \u306e\u4f7f\u7528\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a class=\"xiaomi\" href=\"https:\/\/windowsreport.com\/error-no-yield-performed\/\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">\u51fa\u5178\u3068\u753b\u50cf<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ERROR_NO_YIELD_PERFORMED \u306e\u554f\u984c\u306f\u3001\u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u30d5\u30ed\u30fc\u3092\u4e2d\u65ad\u3055\u305b\u3001\u958b\u767a\u8005\u3092\u60a9\u307e\u305b\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u6280\u8853\u7684\u306a\u30cf\u30fc\u30c9\u30eb\u3092\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u3066\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306e\u52b9\u679c\u7684\u306a\u6226\u7565\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u6839\u672c\u7684\u306a\u539f\u56e0\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001C++ \u3067\u306e\u30b9\u30ec\u30c3\u30c9\u7ba1\u7406\u3092\u6539\u5584\u3057\u3001\u30b9\u30e0\u30fc\u30ba\u306a\u958b\u767a\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002 ERROR_NO_YIELD_PERFORMED \u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5 1.\u30b9\u30ec\u30c3\u30c9\u306e\u512a\u5148\u5ea6\u3092\u8a55\u4fa1\u3057\u3066\u8abf\u6574\u3059\u308b \u307e\u305a\u3001\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u3067\u30b9\u30ec\u30c3\u30c9\u7ba1\u7406\u306e\u5b9f\u88c5\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002 Windows API \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b9\u30ec\u30c3\u30c9\u306e\u512a\u5148\u5ea6\u3092\u8abf\u6574\u3057\u307e\u3059\u3002 SetThreadPriority(hThread, THREAD_PRIORITY_NORMAL); \u3088\u308a\u9ad8\u3044\u5fdc\u7b54\u6027\u304c\u5fc5\u8981\u306a\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u3001\u512a\u5148\u5ea6\u3092\u4e0a\u3052\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002 SetThreadPriority(hThread, THREAD_PRIORITY_ABOVE_NORMAL); \u30b9\u30ec\u30c3\u30c9\u306e\u512a\u5148\u5ea6\u3092\u5909\u66f4\u3059\u308b\u3068\u4ed6\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u5fc5\u305a\u30b9\u30ec\u30c3\u30c9\u306e\u512a\u5148\u5ea6\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306e\u5f71\u97ff\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002 2.\u4e0d\u5fc5\u8981\u306a\u7761\u7720\u30b3\u30fc\u30eb\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b \u30e1\u30a4\u30f3 \u30b3\u30fc\u30c9 \u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u958b\u304d\u307e\u3059\u3002 \u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u63a2\u3057\u3066Sleep(0);\u3001Sleep(1)\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002 \u6b21\u306e\u3088\u3046\u306b\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af \u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u614e\u91cd\u306b\u5b9f\u88c5\u3057\u3066\u304f\u3060\u3055\u3044SwitchToThread();\u3002 if (!SwitchToThread()) { Sleep(1); \/\/ Fallback if no threads are waiting } \u8abf\u6574\u3092\u884c\u3063\u305f\u5f8c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u518d\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u30a8\u30e9\u30fc\u89e3\u6c7a\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002 3.\u30b9\u30ec\u30c3\u30c9\u306e\u53ef\u7528\u6027\u3092\u78ba\u8a8d\u3059\u308b \u307e\u305a\u30b3\u30fc\u30c9\u3092\u78ba\u8a8d\u3057\u3066\u3001\u3059\u3079\u3066\u306e\u30b9\u30ec\u30c3\u30c9\u306e\u4f7f\u7528\u72b6\u6cc1\u3092\u8ffd\u8de1\u3057\u307e\u3059\u3002 C++ \u30b9\u30ec\u30c3\u30c9 \u30d7\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u6b21\u306e\u70b9\u3092\u78ba\u8a8d\u3057\u3066\u5bb9\u91cf\u3092\u8d85\u3048\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002 std::thread::hardware_concurrency(); \u5229\u7528\u53ef\u80fd\u306a\u30b9\u30ec\u30c3\u30c9\u306e\u6570\u3092\u5897\u3084\u3057\u3066\u5b9f\u9a13\u3057\u3001\u3053\u306e\u5909\u66f4\u306b\u3088\u3063\u3066\u554f\u984c\u304c\u8efd\u6e1b\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002 4.\u8ffd\u52a0\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u63d0\u6848 \u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u3068\u30c9\u30e9\u30a4\u30d0\u30fc\u304c\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u66f4\u65b0\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u30bf\u30b9\u30af \u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30bd\u30fc\u30b9\u306e\u6d88\u8cbb\u91cf\u3092\u5206\u6790\u3057\u307e\u3059\u3002\u4e0d\u8981\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u9589\u3058\u3066\u4f5c\u696d\u8ca0\u8377\u3092\u8efd\u6e1b\u3059\u308b\u3068\u3001\u91cd\u8981\u306a\u30ea\u30bd\u30fc\u30b9\u3092\u89e3\u653e\u3067\u304d\u307e\u3059\u3002 Process Explorer \u3092\u4f7f\u7528\u3057\u3066\u3001\u30b9\u30bf\u30c3\u30af\u307e\u305f\u306f\u30d6\u30ed\u30c3\u30af\u3055\u308c\u305f\u30b9\u30ec\u30c3\u30c9\u3092\u8a73\u7d30\u306b\u8a55\u4fa1\u3057\u307e\u3059\u3002 Windows \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9 \u30a2\u30ca\u30e9\u30a4\u30b6\u30fc\u3092\u6d3b\u7528\u3057\u3066\u8a73\u7d30\u306a\u30c8\u30ec\u30fc\u30b9\u3092\u5b9f\u884c\u3057\u3001CPU \u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u306e\u52b9\u7387\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[19],"class_list":["post-8332","post","type-post","status-publish","format-standard","hentry","category-how-to","tag-windows"],"acf":[],"_links":{"self":[{"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/posts\/8332","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/comments?post=8332"}],"version-history":[{"count":1,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/posts\/8332\/revisions"}],"predecessor-version":[{"id":8333,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/posts\/8332\/revisions\/8333"}],"wp:attachment":[{"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/media?parent=8332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/categories?post=8332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/tags?post=8332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}