{"id":2173,"date":"2020-09-02T00:00:03","date_gmt":"2020-09-01T15:00:03","guid":{"rendered":"https:\/\/www.webimpact.co.jp\/banchoblog\/?p=2173"},"modified":"2020-09-02T10:13:51","modified_gmt":"2020-09-02T01:13:51","slug":"%e4%bb%8a%e6%9b%b4%e3%81%a0%e3%81%91%e3%81%a9%e3%80%81%e3%83%8f%e3%82%a4%e3%83%91%e3%83%bc%e3%82%b9%e3%83%ac%e3%83%83%e3%83%87%e3%82%a3%e3%83%b3%e3%82%b0%e3%81%a8%e3%81%af","status":"publish","type":"post","link":"https:\/\/www.webimpact.co.jp\/engineerblog\/?p=2173","title":{"rendered":"\u4eca\u66f4\u3060\u3051\u3069\u3001\u30cf\u30a4\u30d1\u30fc\u30b9\u30ec\u30c3\u30c7\u30a3\u30f3\u30b0\u3068\u306f"},"content":{"rendered":"<p>\u3069\u3046\u3082\u3001\u6700\u8fd1\u3001\u4e45\u3057\u3076\u308a\u306bWindows\u30a2\u30d7\u30ea\u3092\u4f5c\u3063\u3066\u3044\u308b\u6771\u4eacK\u3067\u3059\u3002<\/p>\n<p>\u6614\u306f\u3001\u300cC\u8a00\u8a9e\u306f\u3044\u3044\u306d\u3047\u300d\u3068\u8a00\u3044\u306a\u304c\u3089<\/p>\n<pre>__asm {\r\n  PXOR MM1,MM1\r\n\u3000\u3000\u3000\uff1a\r\n}<\/pre>\n<p>\u3068\u3044\u3063\u305f\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3044\u305f\u4eba\u3060\u3063\u305f\u308a\u3057\u307e\u3059\u03c3(-_-;;;)<\/p>\n<p>\u305d\u3093\u306a\u79c1\u306b\u3001\u6700\u8fd1\u300c\u30cf\u30a4\u30d1\u30fc\u30b9\u30ec\u30c3\u30c7\u30a3\u30f3\u30b0(HTT)\u306f\u610f\u5473\u304c\u3042\u308b\u304b\u308f\u304b\u3089\u306a\u3044\u6240\u8a6e\u30b3\u30a2\u306f1\u3064\u3067\u3057\u3087\uff1f\u300d\u3068\u3044\u3046\u8a71\u3092\u632f\u3089\u308c\u305f\u306e\u3067\u3001\u305b\u3063\u304b\u304f\u3060\u304b\u3089\u30d6\u30ed\u30b0\u30cd\u30bf\u306b\u3002<\/p>\n<p>\u7d50\u8ad6\u304b\u3089\u8a00\u3046\u3068\u300cHTT\u306f\u30aa\u30f3\u306b\u3059\u308b\u3068\u666e\u901a\u306f\u6027\u80fd\u306f\u4e0a\u304c\u308b\u304c\u3001\u7279\u5b9a\u6761\u4ef6\u4e0b\u3067\u306f\u6027\u80fd\u304c\u843d\u3061\u308b\u3053\u3068\u3082\u3042\u308b\u306e\u3067\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306fOFF\u306b\u3057\u3066\u3082\u3044\u3044\u304b\u3082\u300d\u3067\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001\u672c\u984c\u306b\u884c\u304f\u524d\u306b\u65ad\u3063\u3066\u304a\u304d\u307e\u3059\u304c\u3001\u3053\u306e\u8a18\u4e8b\u3082\u300c\u306a\u3093\u3068\u306a\u304f\u4ed5\u7d44\u307f\u3092\u77e5\u308b\u3053\u3068\u304c\u3067\u304d\u308c\u3070\u3044\u3044\u300d\u3067\u66f8\u3044\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u7d30\u304b\u3044\u3068\u3053\u308d\u306f\u629c\u304d\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><!--more--><\/p>\n<h1>HTT\u306e\u6982\u8981<\/h1>\n<p><del>\u653e\u8ab2\u5f8c\u30c6\u30a3\u30fc\u30bf\u30a4\u30e0<\/del>Hyper Threading Temporary\u3068\u3044\u3046\u3001Intel\u306eCPU\u306b\u642d\u8f09\u3055\u308c\u3066\u3044\u308b\u6a5f\u80fd\u3067\u3059\u3002\u3002<\/p>\n<p>\u7aef\u7684\u306b\u8a00\u3046\u3068\u30011\u30b3\u30a2\u3092\u898b\u304b\u3051\u4e0a2\u30b3\u30a2\u306b\u898b\u305b\u304b\u3051\u308b\u6280\u8853\u3067\u3059\u3002<\/p>\n<p>\u3082\u3046\u5c11\u3057\u8a73\u3057\u304f\u8aac\u660e\u3059\u308b\u3068\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306e\u4e2d\u5fc3\u306b\u3042\u308b\u6f14\u7b97\u88c5\u7f6e\u3068\u3057\u3066CPU\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u6614\u306eCPU\u306f\u3042\u308b\u4e00\u77ac\u306b\u304a\u3044\u30661\u3064\u306e\u8a08\u7b97\u3057\u304b\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<br \/>\n\u305d\u3053\u3067\u3001\u8907\u6570\u306eCPU\u3092\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306b\u642d\u8f09\u3057\u305f\u3089\u6027\u80fd\u304c\u4e0a\u304c\u308b\uff01(\u30de\u30eb\u30c1CPU)\u3068\u3044\u3046\u767a\u60f3\u304c\u751f\u307e\u308c\u3001\u305d\u306e\u5f8c\u30011\u3064\u306eCPU\u306b\u8907\u6570\u306eCPU\u3092\u5c01\u5165\u3057\u305f\u3089\u3044\u3044\u3088\u306d\uff01(\u30de\u30eb\u30c1\u30b3\u30a2)\u3068\u3044\u3046\u8003\u3048\u304c\u751f\u307e\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u5c01\u5165\u3055\u308c\u305fCPU\u3092\u30b3\u30a2\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n<p>\u3067\u3001HTT\u306f\u3053\u306e\u30b3\u30a2\u3092\u898b\u304b\u3051\u4e0a2\u3064\u306b\u3057\u3066\u30012\u3064\u306e\u547d\u4ee4\u30921\u3064\u306e\u30b3\u30a2\u3067\u7121\u7406\u77e2\u7406\u5b9f\u884c\u3057\u3088\u3046\u3068\u3044\u3046\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n<p>(\u307e\u3041\u3001\u5b9f\u969b\u306b\u306f\u3001HTT\u306e\u767b\u5834\u524d\u306b\u3001\u30b9\u30fc\u30d1\u30fc\u30b9\u30ab\u30e9\u3068\u304b\u3001OoO\u3068\u304b\u306e\u6280\u8853\u304c\u3042\u308a\u3001\u305d\u308c\u306b\u3088\u3063\u3066\u30011\u30b3\u30a2\u3067\u3082\u4e00\u5ea6\u306b2\u3064\u306e\u547d\u4ee4\u306f\u5b9f\u884c\u3059\u308b\u5834\u5408\u3082\u3042\u308b\u306e\u3067\u3001HTT\u3067\u306f\u4e00\u5ea6\u306b4\u3064\u3068\u304b\u306e\u547d\u4ee4\u3092\u3053\u306a\u305b\u308b\u308f\u3051\u3067\u3059\u304c\u3001\u8a71\u304c\u3084\u3084\u3053\u3057\u304f\u306a\u308b\u306e\u3067\u5272\u611b\u3002)<\/p>\n<p>\u306a\u306e\u3067\u3001\u300c\u898b\u304b\u3051\u4e0a2\u30b3\u30a2\u306b\u306a\u3063\u3066\u3044\u308b\u3051\u3069\u3001\u5b9f\u614b\u306f1\u30b3\u30a2\u306a\u306e\u30671\u30b3\u30a2\u306e\u6027\u80fd\u3057\u304b\u51fa\u305b\u306a\u3044\u306f\u305a\u300d\u3068\u3044\u3046\u306e\u304c\u3001\u5192\u982d\u3067\u79c1\u306b\u8a71\u984c\u3092\u632f\u3063\u305f\u65b9\u306e\u8a8d\u8b58\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30fb\u30fb\u30fb\u3068\u3053\u308d\u304c\u3001CPU\u306e\u30b3\u30a2\u306f\u305d\u3093\u306a\u5358\u7d14\u306a\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h1>HTT\u306e\u4ed5\u7d44\u307f<\/h1>\n<p>CPU\u306e\u30b3\u30a2\u306f\u6700\u7d42\u7684\u306b\u306f\u96fb\u6c17\u56de\u8def(=\u30e6\u30cb\u30c3\u30c8)\u3067\u3059\u304c\u3001\u300c\u6574\u6570\u6f14\u7b97\u3092\u3059\u308b\u30e6\u30cb\u30c3\u30c8\u300d\u3068\u304b\u300c\u5b9f\u6570\u8a08\u7b97\u3092\u3059\u308b\u30e6\u30cb\u30c3\u30c8\u300d\u3001\u300c\u30c7\u30fc\u30bf\u3092\u30e1\u30e2\u30ea\u30fc\u304b\u3089\u3068\u3063\u3066\u304f\u308b\u30e6\u30cb\u30c3\u30c8\u300d\u3068\u3044\u3063\u305f\u5f62\u3067\u3001\u305d\u308c\u305e\u308c\u306e\u62c5\u5f53\u5206\u91ce\u3054\u3068\u306b\u4f55\u7a2e\u985e\u3082\u306e\u30e6\u30cb\u30c3\u30c8\u306e\u96c6\u5408\u4f53\u3067\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001<strong>\u6574\u6570\u8a08\u7b97\u3092\u3057\u3066\u3044\u308b\u9593\u306f\u3001\u5b9f\u6570\u6f14\u7b97\u30e6\u30cb\u30c3\u30c8\u306f\u6687<\/strong>\u3060\u3063\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n<p>\u3067\u3042\u308c\u3070\u3001\u7a7a\u3044\u3066\u3044\u308b\u30e6\u30cb\u30c3\u30c8\u3092\u6709\u52b9\u6d3b\u7528\u3057\u3088\u3046\uff01\u3068\u3044\u3046\u3053\u3068\u3067\u751f\u307e\u308c\u305f\u306e\u304cHTT\u3067\u3059\u3002<\/p>\n<p>HTT\u306b\u3088\u308a\u3001\u898b\u304b\u3051\u4e0a\u306f2\u30b3\u30a2\u3068\u306a\u308a2\u3064\u306e\u51e6\u7406\u304c\u540c\u6642\u9032\u884c\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u4e00\u65b9\u304c\u6574\u6570\u6f14\u7b97\u3070\u304b\u308a\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3001\u4e00\u65b9\u304c\u5b9f\u6570\u6f14\u7b97\u3070\u304b\u308a\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u52d5\u3051\u3070\u3001\u305d\u308c\u305e\u308cCPU\u306e\u5225\u306e\u7a7a\u304d\u30e6\u30cb\u30c3\u30c8\u304c\u51e6\u7406\u3092\u3059\u308b\u306e\u3067\u3001CPU\u304c\u6687\u3092\u3057\u3066\u3044\u308b\u30e6\u30cb\u30c3\u30c8\u304c\u6e1b\u308a\u3001\u6027\u80fd\u304c\u30a2\u30c3\u30d7\u3059\u308b\u3068\u3044\u3046\u306e\u304c\u3001HTT\u306e\u57fa\u672c\u7684\u306a\u8003\u3048\u65b9\u3067\u3059\u3002<\/p>\n<h1>HTT\u306f\u30aa\u30f3\u306e\u65b9\u304c\u3044\u3044\u304b\uff1f<\/h1>\n<p>\u4e00\u822c\u306e\u30e6\u30fc\u30b6\u30fc\u306a\u3089\u3070\u30aa\u30f3\u306b\u3057\u3066\u304a\u3044\u3066\u640d\u306f\u306a\u3044\u306f\u305a\u3067\u3059\u3002\u666e\u901a\u306e\u30d1\u30bd\u30b3\u30f3\u3092\u4f7f\u3063\u3066\u3044\u308b\u3068\u3001\u591a\u7a2e\u591a\u69d8\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u52d5\u304d\u307e\u3059\u306e\u3067\u3002<\/p>\n<p>\u4e07\u304c\u4e00\u6574\u6570\u6f14\u7b97\u3057\u304b\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3067\u3082\u3001\u73fe\u884c\u306eCPU\u306f1\u30b3\u30a2\u3042\u305f\u308a\u3001\u6574\u6570\u6f14\u7b97\u30e6\u30cb\u30c3\u30c8\u306a\u3069\u306e\u3088\u304f\u4f7f\u308f\u308c\u308b\u30e6\u30cb\u30c3\u30c8\u3092\u8907\u6570\u642d\u8f09\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u30e6\u30cb\u30c3\u30c8\u306e\u596a\u3044\u5408\u3044\u304c\u304a\u304d\u308b\u3053\u3068\u306a\u304f\u3001\u6027\u80fd\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3001\u30aa\u30f3\u304c\u5fc5\u305a\u3057\u3082\u826f\u3044\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001CPU\u5185\u90e8\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30fc\uff08L1\u30ad\u30e3\u30c3\u30b7\u30e5\uff09\u306f\u7269\u7406\u30b3\u30a2\u3054\u3068\u306b\u5b58\u5728\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u30011\u7269\u7406\u30b3\u30a2\u5185\u306e\u4eee\u60f3\u30b3\u30a2\u304c\u305d\u308c\u305e\u308c\u5225\u306e\u9818\u57df\u306e\u30e1\u30e2\u30ea\u30fc\u306b\u5927\u91cf\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3088\u3046\u306a\u3053\u3068\u304c\u3042\u308b\u3068\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u30d2\u30c3\u30c8\u7387\u304c\u4f4e\u4e0b\u3057\u3066\u6027\u80fd\u304c\u843d\u3061\u308b\u5834\u5408\u304c\u3042\u308a\u5f97\u307e\u3059\u3002<br \/>\n(\u5143\u3005\u3001CPU\u306e\u30b3\u30a2\u306e\u6301\u3064\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3001\u300c\u4e00\u5ea6\u30a2\u30af\u30bb\u30b9\u3057\u305f\u4e3b\u30e1\u30e2\u30ea\u30fc\u306e\u60c5\u5831\u3068\u305d\u306e\u5468\u8fba\u306e\u60c5\u5831\u306f\u3001\u77ed\u6642\u9593\u3067\u518d\u5ea6\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u306e\u3067\u3001\u8d85\u9ad8\u901f\u306a\u30e1\u30e2\u30ea\u30fc\u306b\u4e00\u6642\u7684\u306b\u7f6e\u3044\u3066\u304a\u3053\u3046\u300d\u3068\u3044\u3046\u8003\u3048\u3067\u5b58\u5728\u3057\u3066\u3044\u308b\u9ad8\u901f\u5316\u306e\u6a5f\u80fd\u3002\u3057\u304b\u3057\u3001\u8d85\u9ad8\u901f\u306a\u30e1\u30e2\u30ea\u30fc\u306f\u8d85\u9ad8\u4fa1\u3067\u5c11\u3057\u3057\u304b\u7528\u610f\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u5e83\u3044\u7bc4\u56f2\u306e\u30c7\u30fc\u30bf\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u4fdd\u6301\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u305a\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u3042\u3075\u308c\u308c\u3070\u53e4\u3044\u60c5\u5831\u304b\u3089\u7834\u68c4\u3055\u308c\u308b)<\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\u306e\u6027\u80fd\u4f4e\u4e0b\u306f\u3042\u308a\u5f97\u308b\u306e\u3067\u3001\u5b89\u5b9a\u6027\u3092\u91cd\u8996\u3057\u305f\u3051\u308c\u3070\u3001\u30aa\u30d5\u306b\u3059\u308b\u9078\u629e\u80a2\u306f\u8996\u91ce\u306b\u5165\u308c\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3069\u3046\u3082\u3001\u6700\u8fd1\u3001\u4e45\u3057\u3076\u308a\u306bWindows\u30a2\u30d7\u30ea\u3092\u4f5c\u3063\u3066\u3044\u308b\u6771\u4eacK\u3067\u3059\u3002 \u6614\u306f\u3001\u300cC\u8a00\u8a9e\u306f\u3044\u3044\u306d\u3047\u300d\u3068\u8a00\u3044\u306a\u304c\u3089 __asm { PXOR MM1,MM1 \u3000\u3000\u3000\uff1a } \u3068\u3044\u3063\u305f\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3044\u305f\u4eba\u3060\u3063\u305f\u308a\u3057\u307e\u3059\u03c3(-_-; &hellip; <a href=\"https:\/\/www.webimpact.co.jp\/engineerblog\/?p=2173\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;\u4eca\u66f4\u3060\u3051\u3069\u3001\u30cf\u30a4\u30d1\u30fc\u30b9\u30ec\u30c3\u30c7\u30a3\u30f3\u30b0\u3068\u306f&#8221; \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2173","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/www.webimpact.co.jp\/engineerblog\/index.php?rest_route=\/wp\/v2\/posts\/2173","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webimpact.co.jp\/engineerblog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webimpact.co.jp\/engineerblog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webimpact.co.jp\/engineerblog\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webimpact.co.jp\/engineerblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2173"}],"version-history":[{"count":19,"href":"https:\/\/www.webimpact.co.jp\/engineerblog\/index.php?rest_route=\/wp\/v2\/posts\/2173\/revisions"}],"predecessor-version":[{"id":2199,"href":"https:\/\/www.webimpact.co.jp\/engineerblog\/index.php?rest_route=\/wp\/v2\/posts\/2173\/revisions\/2199"}],"wp:attachment":[{"href":"https:\/\/www.webimpact.co.jp\/engineerblog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webimpact.co.jp\/engineerblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2173"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webimpact.co.jp\/engineerblog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}