{"id":736,"date":"2012-11-07T11:43:06","date_gmt":"2012-11-07T02:43:06","guid":{"rendered":"http:\/\/soundengine.jp\/wordpress\/tips\/?p=736"},"modified":"2014-02-06T23:42:23","modified_gmt":"2014-02-06T14:42:23","slug":"%e6%b5%ae%e5%8b%95%e5%b0%8f%e6%95%b0%e7%82%b9%e6%bc%94%e7%ae%97%e3%81%ae%e3%82%af%e3%83%ad%e3%83%83%e3%82%af%e6%95%b0%e8%a8%88%e6%b8%ac1-sse2%e3%81%82%e3%82%8a%e3%83%bb%e3%81%aa%e3%81%97","status":"publish","type":"post","link":"https:\/\/soundengine.jp\/wordpress\/tips\/try\/736\/","title":{"rendered":"\u6d6e\u52d5\u5c0f\u6570\u70b9\u6f14\u7b97\u306e\u30af\u30ed\u30c3\u30af\u6570\u8a08\u6e2c(1) SSE2\u3042\u308a\u30fb\u306a\u3057"},"content":{"rendered":"<p>MSVCRT\u3068\u3044\u3046\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u306e\u6a19\u6e96\u7684\u306aC\u30e9\u30f3\u30bf\u30a4\u30e0\u30e9\u30a4\u30d6\u30e9\u30ea(msvcrt.dll\u3084msvcr90.dll\u306a\u3069)\u306b\u300c<a href=\"http:\/\/msdn.microsoft.com\/ja-jp\/library\/bthd138d(VS.80).aspx\" rel=\"nofollow\">_set_SSE2_enable<\/a>\u300d\u3068\u3044\u3046\u95a2\u6570\u304c\u3042\u308b\u3002\u3053\u306e\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001MSVCRT\u5185\u306e\u3044\u304f\u3064\u304b\u306e\u95a2\u6570\u304cSSE2\u5bfe\u5fdc\u306b\u306a\u308a\u9ad8\u901f\u5316\u3055\u308c\u308b(\u305f\u3060\u3057\u3001\u521d\u671f\u5024\u3067ON\u306b\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u901a\u5e38\u9ad8\u901f\u5316\u306e\u305f\u3081\u306b_set_SSE2_enable\u3092\u4f7f\u3046\u5fc5\u8981\u306f\u306a\u3044)\u3002<\/p>\n<p>\u4eca\u56de\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u30d7\u30ed\u30bb\u30c3\u30b5\u3068OS\u3067SSE2\u3092ON\/OFF\u3057\u305f\u6642\u306b\u6d6e\u52d5\u5c0f\u6570\u70b9\u6f14\u7b97\u306e\u95a2\u6570\u304c\u9ad8\u901f\u5316\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3001\u30af\u30ed\u30c3\u30af\u6570\u3092\u6e2c\u5b9a\u3057\u3066\u6bd4\u8f03\u3057\u3066\u307f\u3088\u3046\u3068\u601d\u3046\u3002\u306a\u304a\u3001\u30af\u30ed\u30c3\u30af\u6570\u6e2c\u5b9a\u306b\u306f<a href=\"http:\/\/soundengine.jp\/wordpress\/tips\/2012\/07\/17\/rdtscread-time-stamp-counter%e3%81%ae%e3%82%af%e3%83%a9%e3%82%b9%e5%8c%96\/\">RdTsc<\/a>\u3092\u7528\u3044\u3066\u3044\u308b\u3002<\/p>\n<p><!--more--><\/p>\n<h2 id=\"content_1_0\">_set_SSE2_enable  <a class=\"anchor_super\" id=\"g3703071\" href=\"http:\/\/soundengine.jp\/backend\/?services%2Ftips%2F2009-01-29#g3703071\" title=\"g3703071\"> <\/a><\/h2>\n<p>MSVCRT\u306e\u4e2d\u3067_set_SSE2_enable\u3092\u7528\u3044\u3066\u9ad8\u901f\u5316\u3067\u304d\u308b\u95a2\u6570\u306f\u4ee5\u4e0b\u306e\u95a2\u6570\u3068\u306e\u3053\u3068\u3002<\/p>\n<ul>\n<li>atan \u2026 \u30a2\u30fc\u30af\u30bf\u30f3\u30b8\u30a7\u30f3\u30c8<\/li>\n<li>ceil \u2026 \u5207\u308a\u4e0a\u3052<\/li>\n<li>exp \u2026 \u6307\u6570<\/li>\n<li>floor \u2026 \u5207\u308a\u6368\u3066<\/li>\n<li>log \u2026 \u81ea\u7136\u5bfe\u6570<\/li>\n<li>log10 \u2026 10\u3092\u5e95\u3068\u3057\u305f\u5bfe\u6570<\/li>\n<li>modf \u2026 \u6574\u6570\u90e8\u3001\u5c0f\u6570\u90e8\u306e\u5206\u5272<\/li>\n<li>pow \u2026 \u7d2f\u4e57<\/li>\n<\/ul>\n<div class=\"jumpmenu\">\n<\/div>\n<h2 id=\"content_1_1\">Math Performance  <a class=\"anchor_super\" id=\"vca24848\" href=\"http:\/\/soundengine.jp\/backend\/?services%2Ftips%2F2009-01-29#vca24848\" title=\"vca24848\"> <\/a><\/h2>\n<p>\u4e0a\u8a18\u95a2\u6570\u3068\u3055\u3089\u306bSoundEngine\u306a\u3069\u3067\u3082\u3088\u304f\u4f7f\u3046sin, cos, tan(\u30b5\u30a4\u30f3\u3001\u30b3\u30b5\u30a4\u30f3\u3001\u30bf\u30f3\u30b8\u30a7\u30f3\u30c8)\u3092\u52a0\u3048\u3066\u8a08\u6e2c\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u3066\u6e2c\u5b9a\u3057\u3066\u307f\u305f\u3002\u6e2c\u5b9a\u3067\u306f\u30011024\u500b\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u5024(64bit\u6d6e\u52d5\u5c0f\u6570\u70b9\u578b\u306e0.0\u301c1.0\u306e\u5024)\u306b\u5bfe\u3057\u3066\u95a2\u6570\u3092\u5b9f\u884c\u3057\u3001\u305d\u308c\u30921024\u30bb\u30c3\u30c8\u884c\u3046\u3002\u4f55\u5ea6\u304b\u884c\u3063\u3066\u3001\u3088\u304f\u3067\u308b\u7d50\u679c\u3092\u6e2c\u5b9a\u7d50\u679c\u3068\u3057\u305f\u3002<\/p>\n<div class=\"jumpmenu\">\n<\/div>\n<h3 id=\"content_1_2\">Pentium-M  <a class=\"anchor_super\" id=\"wf4478e9\" href=\"http:\/\/soundengine.jp\/backend\/?services%2Ftips%2F2009-01-29#wf4478e9\" title=\"wf4478e9\"> <\/a><\/h3>\n<p>Pentium-M 1.3GHz\u3001Windows XP Professional\u306ePC\u306e\u6e2c\u5b9a\u7d50\u679c<\/p>\n<div class=\"img_margin\" style=\"text-align:left\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/soundengine.jp\/backend\/?plugin=ref&amp;page=services%2Ftips%2F2009-01-29&amp;src=pentium-m_13.png\" alt=\"pentium-m_13.png\" height=\"214\" width=\"425\"><\/div>\n<p>ceil, exp, floor, modf\u3067SSE2\u3092\u4f7f\u7528\u3057\u305f\u6642\u306e\u9ad8\u901f\u5316\u5ea6\u5408\u3044\u304c\u9ad8\u3044\u3002\u4ed6\u306eCPU\u3088\u308a\u53e4\u3044\u305f\u3081\u7d50\u679c\u7684\u306b\u306f\u305d\u3053\u305d\u3053\u3068\u3044\u3063\u305f\u611f\u3058\u3060\u308d\u3046\u304b\u3002<\/p>\n<div class=\"jumpmenu\">\n<\/div>\n<h3 id=\"content_1_3\">Core 2 Duo  <a class=\"anchor_super\" id=\"kc2ec361\" href=\"http:\/\/soundengine.jp\/backend\/?services%2Ftips%2F2009-01-29#kc2ec361\" title=\"kc2ec361\"> <\/a><\/h3>\n<p>Core 2 Duo 2.4GHz(E6600)\u3001Windows XP Professional\u306ePC\u306e\u6e2c\u5b9a\u7d50\u679c<\/p>\n<div class=\"img_margin\" style=\"text-align:left\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/soundengine.jp\/backend\/?plugin=ref&amp;page=services%2Ftips%2F2009-01-29&amp;src=core2duo_24.png\" alt=\"core2duo_24.png\" height=\"212\" width=\"424\"><\/div>\n<p>ceil, exp, floor, modf\u306e\u95a2\u6570\u3067SSE2\u3092\u4f7f\u7528\u3057\u305f\u6642\u306e\u9ad8\u901f\u5316\u5ea6\u5408\u3044\u304c\u9ad8\u304f\u3001log\u306e\u95a2\u6570\u306f\u9006\u306b\u9045\u304f\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308b\u3002\u307e\u305f\u3001\u4ed6\u306eCPU\u3068\u6bd4\u3079SSE2\u3092\u4f7f\u7528\u3057\u306a\u3044\u6642\u306e\u30af\u30ed\u30c3\u30af\u6570\u304c\u4f4e\u3044\u3088\u3046\u3060\u3002<\/p>\n<div class=\"jumpmenu\">\n<\/div>\n<h3 id=\"content_1_4\">Xeon  <a class=\"anchor_super\" id=\"p888826f\" href=\"http:\/\/soundengine.jp\/backend\/?services%2Ftips%2F2009-01-29#p888826f\" title=\"p888826f\"> <\/a><\/h3>\n<p>Xeon 2.4GHz\u3001Windows 2008 Server\u306ePC\u306e\u6e2c\u5b9a\u7d50\u679c<\/p>\n<div class=\"img_margin\" style=\"text-align:left\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/soundengine.jp\/backend\/?plugin=ref&amp;page=services%2Ftips%2F2009-01-29&amp;src=xeon_24.png\" alt=\"xeon_24.png\" height=\"243\" width=\"423\"><\/div>\n<p>ceil, exp, floor, modf\u3067SSE2\u3092\u4f7f\u7528\u3057\u305f\u6642\u306e\u9ad8\u901f\u5316\u5ea6\u5408\u3044\u304c\u9ad8\u304fsin, cos, pow\u3082\u308f\u308a\u3068\u3088\u3044\u3002\u307e\u305f\u3001\u4ed6\u306eCPU\u3068\u6bd4\u3079SSE2\u3092\u4f7f\u7528\u3057\u306a\u3044\u6642\u306e\u30af\u30ed\u30c3\u30af\u6570\u304c\u9ad8\u3044\u3088\u3046\u3060\u3002<\/p>\n<div class=\"jumpmenu\">\n<\/div>\n<h3 id=\"content_1_5\">Athlon 64 x2  <a class=\"anchor_super\" id=\"vc0f9db2\" href=\"http:\/\/soundengine.jp\/backend\/?services%2Ftips%2F2009-01-29#vc0f9db2\" title=\"vc0f9db2\"> <\/a><\/h3>\n<p>Athlon 64 x2 2.2GHz(4200+)\u3001Windowx XP x64\u306ePC\u306e\u6e2c\u5b9a\u7d50\u679c<\/p>\n<div class=\"img_margin\" style=\"text-align:left\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/soundengine.jp\/backend\/?plugin=ref&amp;page=services%2Ftips%2F2009-01-29&amp;src=athlon64x2_22.png\" alt=\"athlon64x2_22.png\" height=\"213\" width=\"421\"><\/div>\n<p>ceil, exp, floor, modf\u3067SSE2\u3092\u4f7f\u7528\u3057\u305f\u6642\u306e\u9ad8\u901f\u5316\u5ea6\u5408\u3044\u304c\u9ad8\u3044\u3002\u307e\u305f\u3001\u4ed6\u306eCPU\u3068\u6bd4\u3079SSE2\u3092\u4f7f\u7528\u3057\u305f\u6642\u306b\u3069\u308c\u3082\u5e73\u5747\u7684\u306b\u9ad8\u901f\u5316\u3055\u308c\u3066\u304a\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3082\u3088\u3044\u3002<\/p>\n<p>\u4ee5\u4e0a\u306e\u3088\u3046\u306b\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u826f\u3057\u60aa\u3057\u306f\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306e\u76f8\u6027\u306a\u3069\u3082\u3042\u308b\u306e\u3067\u4ed6\u306e\u30d9\u30f3\u30c1\u3068\u306f\u307e\u305f\u9055\u3063\u305f\u7d50\u679c\u306b\u306a\u3063\u3066\u3044\u308b\u3068\u601d\u3046\u3002\u307e\u305f\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u30d8\u30eb\u30d7\u306b\u8a18\u8ff0\u3055\u308c\u3066\u3044\u308b_set_SSE2_enable\u3067\u9ad8\u901f\u5316\u3059\u308b\u95a2\u6570\u30ea\u30b9\u30c8\u4ee5\u5916\u306e\u95a2\u6570(sin, cos, tan)\u3082\u9ad8\u901f\u5316\u3055\u308c\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u304c\u308f\u304b\u308b\u3002<\/p>\n<p>\u6b21\u56de\u306f<a href=\"http:\/\/soundengine.jp\/wordpress\/tips\/2012\/11\/07\/%E6%B5%AE%E5%8B%95%E5%B0%8F%E6%95%B0%E7%82%B9%E6%BC%94%E7%AE%97%E3%81%AE%E3%82%AF%E3%83%AD%E3%83%83%E3%82%AF%E6%95%B0%E8%A8%88%E6%B8%AC2-openmp%E3%81%82%E3%82%8A%E3%83%BB%E3%81%AA%E3%81%97\/\">OpenMP\u3042\u308a\u30fb\u306a\u3057\u3067\u3069\u3046\u9ad8\u901f\u5316\u3055\u308c\u308b\u304b<\/a>\u898b\u3066\u307f\u305f\u3044\u3068\u601d\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MSVCRT\u3068\u3044\u3046\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u306e\u6a19\u6e96\u7684\u306aC\u30e9\u30f3\u30bf\u30a4\u30e0\u30e9\u30a4\u30d6\u30e9\u30ea(msvcrt. &hellip; <a href=\"https:\/\/soundengine.jp\/wordpress\/tips\/try\/736\/\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-736","post","type-post","status-publish","format-standard","hentry","category-try"],"_links":{"self":[{"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/posts\/736","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/comments?post=736"}],"version-history":[{"count":12,"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/posts\/736\/revisions"}],"predecessor-version":[{"id":3197,"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/posts\/736\/revisions\/3197"}],"wp:attachment":[{"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/media?parent=736"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/categories?post=736"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/soundengine.jp\/wordpress\/tips\/wp-json\/wp\/v2\/tags?post=736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}