{"id":151355,"date":"2019-08-08T15:00:54","date_gmt":"2019-08-08T07:00:54","guid":{"rendered":"https:\/\/lrxjmw.cn\/?p=151355"},"modified":"2019-07-21T20:55:20","modified_gmt":"2019-07-21T12:55:20","slug":"zstandard-releaae-fast","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/zstandard-releaae-fast.html","title":{"rendered":"\u89e3\u538b\u901f\u5ea6\u66f4\u5feb, Zstandard 1.4.1 \u53d1\u5e03"},"content":{"rendered":"<div id=\"articleContent\" class=\"content\">\n<p>zstd\u00a01.4.1 \u53d1\u5e03\u4e86\uff0czstd \u53c8\u53eb Zstandard\uff0c\u5b83\u662f\u4e00\u79cd\u5feb\u901f\u65e0\u635f\u538b\u7f29\u7b97\u6cd5\uff0c\u4e3b\u8981\u5e94\u7528\u4e8e\u00a0zlib \u7ea7\u522b\u7684\u5b9e\u65f6\u538b\u7f29\u573a\u666f\uff0c\u5e76\u4e14\u5177\u6709\u66f4\u597d\u7684\u538b\u7f29\u6bd4\u3002zstd \u8fd8\u53ef\u4ee5\u4ee5\u538b\u7f29\u901f\u5ea6\u4e3a\u4ee3\u4ef7\u63d0\u4f9b\u66f4\u5f3a\u7684\u538b\u7f29\u6bd4\uff0c\u901f\u5ea6\u4e0e\u538b\u7f29\u6743\u8861\u53ef\u901a\u8fc7\u5c0f\u589e\u91cf\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n<p>\u6b64\u7248\u672c\u662f\u4e00\u4e2a\u7ef4\u62a4\u7248\u672c\uff0c\u5b83\u4fee\u590d\u4e86\u4e00\u4e9b\u9519\u8bef\uff0c\u5305\u62ec\u53ea\u80fd\u5728\u5c0f\u4f17\u7528\u4f8b\u4e2d\u89e6\u53d1\u7684\u7f55\u89c1\u6570\u636e\u635f\u574f\u9519\u8bef\uff0c\u5f53\u6267\u884c\u4ee5\u4e0b\u6240\u6709\u64cd\u4f5c\u65f6\u4f1a\u51fa\u73b0\u8be5 bug\uff1a\u4f7f\u7528\u591a\u7ebf\u7a0b\u6a21\u5f0f\uff0c\u91cd\u53e0\u5927\u5c0f&gt;= 512 MB\uff0c\u4f7f\u7528\u7684 strategy&gt;= ZSTD_btlazy\uff0c\u538b\u7f29\u8d85\u8fc7 4 GB\u3002<\/p>\n<div   id="j6sjwn9j3u"    style=\"margin-top:2em;margin-bottom:1em\"><span style=\"color:#1E1E1E;letter-spacing: 2px;border-left:#FF3030 3px solid;border-right:#FF3030 3px solid;padding-left: 8px;padding-right:8px;font-size: 12pt\"><strong>\u6027\u80fd<\/strong><\/span><\/div>\n<p>\u65b0\u7248\u672c\u8fd8\u5305\u62ec\u4e00\u4e9b\u6027\u80fd\u6539\u8fdb\uff0c\u5176\u4e2d\u4e3b\u8981\u7684\u6539\u8fdb\u662f Zstd \u89e3\u538b\u901f\u5ea6\u5feb\u4e86\u7ea6 7%\u3002\u5173\u4e8e\u5728 Silesia Corpus \u4e0a\u6d4b\u91cf\u7684\u4e0d\u540c\u538b\u7f29\u7ea7\u522b\u7684\u89e3\u538b\u901f\u5ea6\u7684\u6bd4\u8f83\uff0cIntel i9-9900K \u4e0a\u7684\u6027\u80fd\u6570\u636e\u5982\u4e0b\uff1a<\/p>\n<table style=\"height: 165px;\" width=\"533\">\n<thead>\n<tr>\n<th>Level<\/th>\n<th>v1.4.0<\/th>\n<th>v1.4.1<\/th>\n<th>Delta<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>1390 MB\/s<\/td>\n<td>1453 MB\/s<\/td>\n<td>+4.5%<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>1208 MB\/s<\/td>\n<td>1301 MB\/s<\/td>\n<td>+7.6%<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>1129 MB\/s<\/td>\n<td>1233 MB\/s<\/td>\n<td>+9.2%<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>1224 MB\/s<\/td>\n<td>1347 MB\/s<\/td>\n<td>+10.0%<\/td>\n<\/tr>\n<tr>\n<td>16<\/td>\n<td>1278 MB\/s<\/td>\n<td>1430 MB\/s<\/td>\n<td>+11.8%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u65b0\u7248\u672c\u8fd8\u5305\u62ec\u4e0d\u5c11 bug \u4fee\u590d\u548c\u5176\u4ed6\u6539\u8fdb\uff0c \u8be6\u60c5\u53ef\u67e5\u770b<a href=\"https:\/\/github.com\/facebook\/zstd\/releases\/tag\/v1.4.1\">\u66f4\u65b0\u8bf4\u660e<\/a>\u3002<\/p>\n<\/div>\n<div   id="j6sjwn9j3u"    class=\"news-links\">\n<div   id="j6sjwn9j3u"    style=\"margin-top:2em;margin-bottom:1em\"><span style=\"color:#1E1E1E;letter-spacing: 2px;border-left:#FF3030 3px solid;border-right:#FF3030 3px solid;padding-left: 8px;padding-right:8px;font-size: 12pt\"><strong>\u76f8\u5173\u94fe\u63a5<\/strong><\/span><\/div>\n<ul class=\"link-list\">\n<li>Zstandard \u7684\u4e0b\u8f7d\u5730\u5740\uff1a<a href=\"https:\/\/github.com\/facebook\/zstd\/archive\/dev.zip\" target=\"_blank\" rel=\"noopener noreferrer\">\u70b9\u51fb\u4e0b\u8f7d<\/a><\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>zstd\u00a01.4.1 \u53d1\u5e03\u4e86\uff0czstd \u53c8\u53eb Zstandard\uff0c\u5b83\u662f\u4e00\u79cd\u5feb\u901f\u65e0\u635f\u538b\u7f29\u7b97\u6cd5\uff0c\u4e3b\u8981\u5e94\u7528\u4e8e\u00a0zli [&hellip;]<\/p>\n","protected":false},"author":643,"featured_media":151356,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-151355","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/151355","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/643"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=151355"}],"version-history":[{"count":4,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/151355\/revisions"}],"predecessor-version":[{"id":151368,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/151355\/revisions\/151368"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/151356"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=151355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=151355"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=151355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}