{"id":7095,"date":"2018-12-30T23:57:35","date_gmt":"2018-12-30T14:57:35","guid":{"rendered":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=7095"},"modified":"2019-01-01T21:20:04","modified_gmt":"2019-01-01T12:20:04","slug":"intel-ipp-%e3%81%ae-lz4-%e5%ae%9f%e8%a3%85","status":"publish","type":"post","link":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=7095","title":{"rendered":"Intel IPP \u306e LZ4 \u5b9f\u88c5"},"content":{"rendered":"<p>\u30b0\u30b0\u3063\u3066\u305f\u3089 <a href=\"https:\/\/software.intel.com\/en-us\/intel-ipp\">Intel Integrated Performance Primitives (IPP)<\/a> \u306b<a href=\"https:\/\/github.com\/lz4\/lz4\">\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u7269<\/a>\u3088\u308a\u9ad8\u901f\u306a LZ4 \u5b9f\u88c5\u304c\u3042\u308b\u306e\u3092\u898b\u3064\u3051\u307e\u3057\u305f\u3002 <a href=\"https:\/\/software.intel.com\/en-us\/intel-ipp\/benchmarks\">Intel \u306b\u3088\u308c\u3070<\/a>\u3001 AVX-512 \u304c\u4f7f\u3048\u308b\u74b0\u5883\u306a\u3089\u304b\u306a\u308a\u306e\u9ad8\u901f\u5316\u304c\u898b\u8fbc\u3081\u308b\u3088\u3046\u3067\u3059\u3002 UtVideo \u3067\u306f T2 \u3067 LZ4 \u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><!--more--><\/p>\n<p><a href=\"https:\/\/software.intel.com\/en-us\/ipp-dev-reference-lz4-compression-functions\">\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u3092\u898b\u305f\u3068\u3053\u308d\u3001\u5727\u7e2e\u3059\u308b\u95a2\u6570\u3067 The destination buffer must have sufficient length for the operation. \u3068\u66f8\u3044\u3066\u3042\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u305d\u306e sufficient length \u3092\u53d6\u308b\u95a2\u6570\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u5727\u7e2e\u6642\u306e sufficient length \u306f<a href=\"https:\/\/github.com\/lz4\/lz4\/blob\/v1.8.3\/lib\/lz4.h#L156\">\u30aa\u30ea\u30b8\u30ca\u30eb\u5b9f\u88c5\u306b\u66f8\u3044\u3066\u3042\u308b\u5f0f<\/a>\u3067\u8a08\u7b97\u3059\u308c\u3070\u5b9f\u7528\u4e0a\u554f\u984c\u306a\u3044\u3068\u601d\u308f\u308c\u307e\u3059\u304c\u3001IPP \u5185\u3067\u5b8c\u7d50\u3057\u3066\u3044\u306a\u3044\u308f\u3051\u3067\u6c17\u6301\u3061\u304c\u60aa\u3044\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u3046\u3061\u8ffd\u52a0\u3055\u308c\u308b\u3093\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u3055\u3066\u3001\u624b\u5143\u306b AVX-512 \u304c\u4f7f\u3048\u308b\u74b0\u5883\uff08\u4eca\u306e\u3068\u3053\u308d Skylake Xeon \u3057\u304b\u306a\u3044\uff09\u306f\u7121\u3044\u306e\u3067\u3001Sandy Bridge \u3068 Haswell \u3067\u96d1\u306b\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3057\u3066\u307f\u307e\u3057\u305f\u304c\u3001\u3068\u3082\u306b\u5727\u7e2e10%\u3001\u5c55\u958b40%\u4ee5\u4e0a\u306e\u9ad8\u901f\u5316\u3068\u306a\u308a\u3001AVX-512 \u74b0\u5883\u307b\u3069\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u306a\u304b\u306a\u304b\u306e\u901f\u5ea6\u304c\u51fa\u3066\u3044\u307e\u3059\u3002\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u306b\u4f7f\u3063\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\uff08\u624b\u5143\u74b0\u5883\u306e\u90fd\u5408\u3067 Windows \u7528\uff09\u306e\u30bd\u30fc\u30b9\u306f <a href=\"https:\/\/github.com\/umezawatakeshi\/ipptest\">github \u306b\u7f6e\u3044\u3066\u304a\u304d\u307e\u3057\u305f<\/a>\u3002<\/p>\n<p>\u305f\u3060\u3001\u5727\u7e2e\u306e\u5834\u5408\u306b\u5727\u7e2e\u7d50\u679c\u304c\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u5b9f\u88c5\u3068\u306f\u7570\u306a\u308b\uff08\u5fae\u5999\u306b\u5727\u7e2e\u6bd4\u304c\u60aa\u3044\uff09\u306e\u3067\u3001 UtVideo \u306e\u3088\u3046\u306b\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u3067\u30d0\u30a4\u30c8\u5217\u4e00\u81f4\u3067\u78ba\u8a8d\u3057\u3066\u3044\u308b\u5834\u5408\u554f\u984c\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u5c55\u958b\u306e\u5834\u5408\u306f\u5c55\u958b\u7d50\u679c\u306f\u540c\u3058\u3067\u3042\u308b\u306f\u305a\u306a\u306e\u3067\u3001\u30ce\u30fc\u30b3\u30b9\u30c8\u3067\u5358\u7d14\u306b\u5165\u308c\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u8ffd\u8a18: Intel \u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30e9\u30a4\u30d6\u30e9\u30ea\u306f Intel \u88fd\u30c1\u30c3\u30d7\u4ee5\u5916\u3067\u5b9f\u884c\u3057\u305f\u5834\u5408\u306b\u901f\u3044\u304b\u3069\u3046\u304b\u306f\u4fdd\u8a3c\u3057\u306a\u3044\uff08\u610f\u8a33\uff09\u3068 Intel \u306f\u8a00\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001\u4f1a\u793e\u3067 Ryzen \u6301\u3063\u3066\u308b\u4eba\u3092\u6355\u307e\u3048\u3066\u4e0a\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3057\u3066\u3082\u3089\u3063\u305f\u3068\u3053\u308d\u3001\u5727\u7e2e\u306f\u304b\u3048\u3063\u3066\u9045\u304f\u306a\u308b\u3082\u306e\u306e\u3001\u5c55\u958b\u306f40%\u4ee5\u4e0a\u9ad8\u901f\u5316\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u8ffd\u8a18: \u6700\u521d Haswell \u306e\u7d50\u679c\u304c\uff08\u8a08\u6e2c\u30df\u30b9\u3067\uff09\u9593\u9055\u3063\u3066\u3044\u305f\u306e\u3067\u4fee\u6b63\u3057\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30b0\u30b0\u3063\u3066\u305f\u3089 Intel Integrated Performance Primitives (IPP) \u306b\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u7269\u3088\u308a\u9ad8\u901f\u306a LZ4 \u5b9f\u88c5\u304c\u3042\u308b\u306e\u3092\u898b\u3064\u3051\u307e\u3057\u305f\u3002 Intel \u306b\u3088\u308c\u3070\u3001 AVX-512 \u304c\u4f7f\u3048\u308b [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,27],"tags":[],"class_list":["post-7095","post","type-post","status-publish","format-standard","hentry","category-ut-video-codec-suite","category-technology"],"_links":{"self":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7095","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=7095"}],"version-history":[{"count":7,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7095\/revisions"}],"predecessor-version":[{"id":7103,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7095\/revisions\/7103"}],"wp:attachment":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7095"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7095"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}