{"id":4313,"date":"2013-10-07T22:59:19","date_gmt":"2013-10-07T13:59:19","guid":{"rendered":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=4313"},"modified":"2013-10-07T22:59:19","modified_gmt":"2013-10-07T13:59:19","slug":"avx2-%e3%81%ab%e3%82%88%e3%82%8b%e4%b8%a6%e5%88%97%e3%83%8f%e3%83%95%e3%83%9e%e3%83%b3%e3%83%87%e3%82%b3%e3%83%bc%e3%83%89","status":"publish","type":"post","link":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=4313","title":{"rendered":"AVX2 \u306b\u3088\u308b\u4e26\u5217\u30cf\u30d5\u30de\u30f3\u30c7\u30b3\u30fc\u30c9"},"content":{"rendered":"<p>AVX2\u3001\u5177\u4f53\u7684\u306b\u306f VPGATHERDD \u3068 VPSLLVQ \u304c\u5b9f\u88c5\u3055\u308c\u305f\u306e\u3067\u3001\u305d\u308c\u3092\u4f7f\u3063\u3066\u30cf\u30d5\u30de\u30f3\u30c7\u30b3\u30fc\u30c9\u3092\uff14\u3064\u4e26\u5217\u306b\u884c\u3046\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u3067\u3001\u8a08\u6e2c\u3057\u305f\u7d50\u679c\u2026<\/p>\n<blockquote>\n<pre>C:\\Users\\umezawa\\Documents\\huff4>huff4 _exp.dat\r\n* NORMAL Huffman Decode x4\r\ndecode 771.877848msec\r\n       2.875469nsec\/symbol\r\nok\r\n\r\n* AVX2 Parallel Huffman Decode\r\ndecode 1021.410574msec\r\n       3.805051nsec\/symbol\r\nok<\/pre>\n<\/blockquote>\n<p>\u30c0\u30e1\u3058\u3083\u3093(\u00b4\u30fb\u03c9\u30fb`)<\/p>\n<p>\u3084\u3063\u3071\u308a VGATHER \u304c\u300c\u671f\u5f85\u3057\u305f\u307b\u3069\u306b\u306f\u300d\u901f\u304f\u306a\u3044\u306e\u304c\u6700\u5927\u306e\u8981\u56e0\u304b\u3068\u601d\u3046\u306e\u3067\u3059\u304c\u3001SIMD\u5316\u306b\u4f34\u3046\u51e6\u7406\u65b9\u6cd5\u306e\u5909\u5316\uff08\u539f\u5247\u7684\u306b\u6761\u4ef6\u5206\u5c90\u3092\u4f7f\u308f\u306a\u304f\u306a\u308b\uff09\u3082\u5927\u304d\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002Skylake \u3042\u305f\u308a\u3067 VGATHER \u304c\u9ad8\u901f\u5316\u3055\u308c\u3001\u3064\u3044\u3067\u306b AVX-512 \u304c\u6295\u5165\u3055\u308c\u3066\u3088\u3046\u3084\u304f\u30b9\u30ab\u30e9\u30fc\u51e6\u7406\u3088\u308a\u65e9\u304f\u306a\u308b\u3093\u3058\u3083\u306a\u3044\u304b\u3068\u3044\u3046\u6c17\u304c\u3057\u307e\u3059\u3002\u307e\u305f\uff12\u5e74\u5f85\u3061\u304b\u2026<\/p>\n<p>\u3042\u3068\u3053\u306e\u30b3\u30fc\u30c9\u306f x64 \u7528\u306b\u66f8\u3044\u3066\u3044\u307e\u3059\u3002\u5b9a\u6570\u3092\u4fdd\u6301\u3059\u308b\u305f\u3081\u306b16\u672c\u3042\u308b\u30ec\u30b8\u30b9\u30bf\u306e\u3046\u3061\u306e8\u672c\u3092\u4f7f\u3063\u3066\u3044\u308b\u306e\u3067\u3001x86 \u3060\u3068\u76ee\u306b\u898b\u3048\u3066\u9045\u304f\u306a\u308a\u305d\u3046\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>AVX2\u3001\u5177\u4f53\u7684\u306b\u306f VPGATHERDD \u3068 VPSLLVQ \u304c\u5b9f\u88c5\u3055\u308c\u305f\u306e\u3067\u3001\u305d\u308c\u3092\u4f7f\u3063\u3066\u30cf\u30d5\u30de\u30f3\u30c7\u30b3\u30fc\u30c9\u3092\uff14\u3064\u4e26\u5217\u306b\u884c\u3046\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3044\u307e\u3057\u305f\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-4313","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\/4313","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=4313"}],"version-history":[{"count":2,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4313\/revisions"}],"predecessor-version":[{"id":4315,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4313\/revisions\/4315"}],"wp:attachment":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4313"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4313"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4313"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}