{"id":6497,"date":"2017-06-09T17:02:02","date_gmt":"2017-06-09T08:02:02","guid":{"rendered":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=6497"},"modified":"2017-06-10T20:36:02","modified_gmt":"2017-06-10T11:36:02","slug":"%e8%87%aa%e5%8b%95%e3%83%99%e3%82%af%e3%83%88%e3%83%ab%e5%8c%96%e3%81%af%e3%81%a9%e3%82%8c%e3%81%8f%e3%82%89%e3%81%84%e4%bd%bf%e3%81%84%e7%89%a9%e3%81%ab%e3%81%aa%e3%82%8b%e3%81%8b%ef%bc%88%e3%81%9d","status":"publish","type":"post","link":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=6497","title":{"rendered":"\u81ea\u52d5\u30d9\u30af\u30c8\u30eb\u5316\u306f\u3069\u308c\u304f\u3089\u3044\u4f7f\u3044\u7269\u306b\u306a\u308b\u304b\uff08\u305d\u306e\uff11\uff09"},"content":{"rendered":"<p>intrinsic \u306b\u79fb\u884c\u3057\u305f\u3051\u3069\u305d\u308c\u3082\u3084\u3063\u3071\u308a\u8f9b\u3044\u3088\u306d\u3001\u3068\u3044\u3046\u8a71\u3092\u4ee5\u524d\u66f8\u304d\u307e\u3057\u305f\u304c\u3001\u3067\u306f\u30b3\u30f3\u30d1\u30a4\u30e9\u306b\u3088\u308b\u81ea\u52d5\u30d9\u30af\u30c8\u30eb\u5316\u306f\u3069\u308c\u304f\u3089\u3044\u4f7f\u3044\u7269\u306b\u306a\u308b\u306e\u304b\u3092\u8abf\u3079\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u52d5\u6a5f\u304c\u300cUtVideo \u3067\u4f7f\u3044\u305f\u3044\u300d\u3067\u3042\u308b\u305f\u3081\u3001\u307e\u305a\u306f Visual C++ 2017 \u3067\u8a66\u3057\u307e\u3059\u3002 Visual C++ \u81ea\u4f53\u306b\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30d5\u30a1\u30a4\u30eb\u306e\u4e2d\u8eab\u3092\u9006\u30a2\u30bb\u30f3\u30d6\u30eb\u3059\u308b\u30c4\u30fc\u30eb\u304c\uff08\u305f\u3076\u3093\uff09\u7121\u3044\u305f\u3081\u3001Cygwin \u306e objdump \u3092\u4f7f\u3044\u307e\u3059\u3002\u30bf\u30fc\u30b2\u30c3\u30c8\u306f x64 &amp; SSE4.2 \u3067\u3059\u3002<\/p>\n<p>1\u3064\u76ee\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3002\u3069\u3053\u304b\u3089\u3069\u3046\u898b\u3066\u3082\u30d9\u30af\u30c8\u30eb\u5316\u3055\u308c\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002<\/p>\n<blockquote>\n<pre>\r\ntemplate&lt;typename T&gt;\r\nvoid foo(T* __restrict dst, const T* __restrict a, const T* __restrict b, size_t n)\r\n{\r\n\tfor (size_t i = 0; i &lt; n; ++i)\r\n\t\t*dst++ = *a++ + *b++;\r\n}\r\n\r\ntemplate void foo&lt;float&gt;(float* __restrict, const float* __restrict, const float* __restrict, size_t);\r\ntemplate void foo&lt;int&gt;(int* __restrict, const int* __restrict, const int* __restrict, size_t);\r\ntemplate void foo&lt;short&gt;(short* __restrict, const short* __restrict, const short* __restrict, size_t);\r\ntemplate void foo&lt;char&gt;(char* __restrict, const char* __restrict, const char* __restrict, size_t);\r\n<\/pre>\n<\/blockquote>\n<p>\u3061\u306a\u307f\u306b char \u306e\u5834\u5408\u306e\u6a21\u7bc4\u89e3\u7b54\u306f\u3053\u3093\u306a\u611f\u3058\u3002<\/p>\n<blockquote>\n<pre>\r\n    movdqu  xmm0, [rdx]\r\n    paddb   xmm0, [r8]\r\n    movdqu  [rcx], xmm0\r\n<\/pre>\n<\/blockquote>\n<p>\u3067\u3001\u7d50\u679c\u3002<\/p>\n<blockquote>\n<pre>\r\nD:\\&gt;cl \/c \/O2 \/Qvec-report:2 autovec1.cpp\r\nMicrosoft(R) C\/C++ Optimizing Compiler Version 19.10.25019 for x64\r\nCopyright (C) Microsoft Corporation.  All rights reserved.\r\n\r\nautovec1.cpp\r\n\r\n--- \u5206\u6790\u95a2\u6570: void __cdecl foo&lt;float&gt;(float * __ptr64 __restrict,float const * _\r\n_ptr64 __restrict,float const * __ptr64 __restrict,unsigned __int64)\r\nd:\\autovec1.cpp(4) : info C5001: \u30eb\u30fc\u30d7\u304c\u30d9\u30af\u30bf\u30fc\u5316\u3055\u308c\u3066\u3044\u307e\u3059\r\n\r\n--- \u5206\u6790\u95a2\u6570: void __cdecl foo&lt;short&gt;(short * __ptr64 __restrict,short const * _\r\n_ptr64 __restrict,short const * __ptr64 __restrict,unsigned __int64)\r\nd:\\autovec1.cpp(4) : info C5001: \u30eb\u30fc\u30d7\u304c\u30d9\u30af\u30bf\u30fc\u5316\u3055\u308c\u3066\u3044\u307e\u3059\r\n\r\n--- \u5206\u6790\u95a2\u6570: void __cdecl foo&lt;int&gt;(int * __ptr64 __restrict,int const * __ptr64\r\n __restrict,int const * __ptr64 __restrict,unsigned __int64)\r\nd:\\autovec1.cpp(4) : info C5001: \u30eb\u30fc\u30d7\u304c\u30d9\u30af\u30bf\u30fc\u5316\u3055\u308c\u3066\u3044\u307e\u3059\r\n\r\n--- \u5206\u6790\u95a2\u6570: void __cdecl foo&lt;char&gt;(char * __ptr64 __restrict,char const * __pt\r\nr64 __restrict,char const * __ptr64 __restrict,unsigned __int64)\r\nd:\\autovec1.cpp(4) : info C5001: \u30eb\u30fc\u30d7\u304c\u30d9\u30af\u30bf\u30fc\u5316\u3055\u308c\u3066\u3044\u307e\u3059\r\n<\/pre>\n<\/blockquote>\n<blockquote>\n<pre>\r\numezawa@selene \/cygdrive\/d\r\n$ objdump -d -M intel autovec1.obj\r\n\r\nautovec1.obj:     \u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f pe-x86-64\r\n\r\n\r\n\u30bb\u30af\u30b7\u30e7\u30f3 .text$mn \u306e\u9006\u30a2\u30bb\u30f3\u30d6\u30eb:\r\n\r\n0000000000000000 &lt;??$foo@D@@YAXPEIADPEIBD1_K@Z&gt;:\r\n\uff08\u7565\uff09\r\n  20:   f3 41 0f 6f 00          movdqu xmm0,XMMWORD PTR [r8]\r\n  25:   48 83 c0 20             add    rax,0x20\r\n  29:   f3 0f 6f 0a             movdqu xmm1,XMMWORD PTR [rdx]\r\n  2d:   66 0f fc c8             paddb  xmm1,xmm0\r\n  31:   f3 41 0f 6f 40 10       movdqu xmm0,XMMWORD PTR [r8+0x10]\r\n  37:   49 83 c0 20             add    r8,0x20\r\n  3b:   f3 0f 7f 09             movdqu XMMWORD PTR [rcx],xmm1\r\n  3f:   f3 0f 6f 4a 10          movdqu xmm1,XMMWORD PTR [rdx+0x10]\r\n  44:   48 83 c2 20             add    rdx,0x20\r\n  48:   66 0f fc c8             paddb  xmm1,xmm0\r\n  4c:   f3 0f 7f 49 10          movdqu XMMWORD PTR [rcx+0x10],xmm1\r\n  51:   48 83 c1 20             add    rcx,0x20\r\n  55:   49 3b c2                cmp    rax,r10\r\n  58:   72 c6                   jb     20 &lt;??$foo@D@@YAXPEIADPEIBD1_K@Z+0x20&gt;\r\n\uff08\u7565\uff09\r\n<\/pre>\n<\/blockquote>\n<p>\u9577\u3044\u306e\u3067\u30d0\u30c3\u30b5\u30ea\u7701\u7565\u3057\u307e\u3059\u304c\u3001char \u4ee5\u5916\u3082\u540c\u69d8\u306e\u51fa\u529b\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30a2\u30f3\u30ed\u30fc\u30eb\u306e\u30aa\u30de\u30b1\u3064\u304d\u3002paddb \u304c\u30e1\u30e2\u30ea\u30aa\u30da\u30e9\u30f3\u30c9\u306b\u306a\u3063\u3066\u3044\u306a\u3044\u306e\u304c\u6c17\u306b\u306a\u308b\u3068\u3053\u308d\u3067\u3059\u304c\u3002<\/p>\n<p>\u307e\u3042\u3001\u3053\u308c\u3050\u3089\u3044\u306f\u3067\u304d\u3066\u5f53\u7136\u306a\u306e\u3067\u7279\u306b\u611f\u52d5\u3082\u3042\u308a\u307e\u305b\u3093\u3002\u6700\u9069\u5316\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u6307\u5b9a\u304c\u5408\u3063\u3066\u308b\u304b\u3069\u3046\u304b\u306e\u78ba\u8a8d\u3050\u3089\u3044\u306b\u306f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/umezawa.dyndns.info\/wordpress\/?p=6505\">\u305d\u306e\uff12<\/a>\u306b\u7d9a\u304f<\/p>\n","protected":false},"excerpt":{"rendered":"<p>intrinsic \u306b\u79fb\u884c\u3057\u305f\u3051\u3069\u305d\u308c\u3082\u3084\u3063\u3071\u308a\u8f9b\u3044\u3088\u306d\u3001\u3068\u3044\u3046\u8a71\u3092\u4ee5\u524d\u66f8\u304d\u307e\u3057\u305f\u304c\u3001\u3067\u306f\u30b3\u30f3\u30d1\u30a4\u30e9\u306b\u3088\u308b\u81ea\u52d5\u30d9\u30af\u30c8\u30eb\u5316\u306f\u3069\u308c\u304f\u3089\u3044\u4f7f\u3044\u7269\u306b\u306a\u308b\u306e\u304b\u3092\u8abf\u3079\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-6497","post","type-post","status-publish","format-standard","hentry","category-technology"],"_links":{"self":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6497","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6497"}],"version-history":[{"count":8,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6497\/revisions"}],"predecessor-version":[{"id":6519,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6497\/revisions\/6519"}],"wp:attachment":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6497"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6497"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}