{"id":254246,"date":"2013-09-26T18:06:32","date_gmt":"2013-09-26T10:06:32","guid":{"rendered":"http:\/\/blog.zhenglei.net\/?p=254246"},"modified":"2013-09-27T11:09:21","modified_gmt":"2013-09-27T03:09:21","slug":"%e5%86%85%e5%ad%98%e4%b8%80%e8%87%b4%e6%80%a7%e6%a8%a1%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/blog.zhenglei.net\/?p=254246","title":{"rendered":"\u5185\u5b58\u4e00\u81f4\u6027\u6a21\u578b"},"content":{"rendered":"

\u5185\u5b58\u4e00\u81f4\u6027\u6a21\u578b wiki <\/a><\/p>\n

http:\/\/preshing.com\/20120913\/acquire-and-release-semantics\/<\/a><\/p>\n

Weak vs. Strong Memory Models<\/a><\/p>\n

\u90a3\u4e48\u4e3a\u4ec0\u4e48\u7a0b\u5e8f\u5458\u9700\u8981\u5173\u5fc3SC\u5462<\/a><\/p>\n

\u9501\u7684\u672c\u8d28<\/a><\/p>\n

\u5728\u73b0\u4ee3\u591a\u6838\u591a\u7ea7\u7f13\u5b58\u7684\u5904\u7406\u5668\u67b6\u6784\u4e0b\uff0c\u5f53\u4e00\u4e2acpu\u4fee\u6539\u4e86\u5176\u7f13\u5b58\u7684\u4e00\u4e2a\u6570\u636e\u5355\u5143\uff0c\u4e3b\u5185\u5b58\u662f\u5982\u4f55\u611f\u77e5\uff0c\u5176\u4ed6cpu\u53c8\u662f\u5982\u4f55\u611f\u77e5\u7684\u5462\uff1f<\/p>\n

\u76ee\u6807\uff0ccpu\u5185\u5b58\u6a21\u578b\u6700\u4e3b\u8981\u5206\u4e24\u79cd\u5185\u5b58\u6a21\u578b<\/p>\n

\u5f3a\u5185\u5b58\u6a21\u578b\u548c\u5f31\u5185\u5b58\u6a21\u578b\uff0c\u4e24\u8005\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u662f\u5426\u5141\u8bb8cpu\u5bf9\u4e3b\u5185\u5b58\u7684\u4fee\u6539\u5373\u65f6\u53ef\u89c1\uff0c\u4ee5\u53ca\u662f\u5426\u5141\u8bb8\u7f16\u8bd1\u5668\u5185\u5b58\u8bbf\u95ee\u6307\u4ee4\u91cd\u6392\u5e8f\uff0c\u76ee\u524d\u5927\u591acpu\u67b6\u6784\u91c7 \u7528\u5f31\u6a21\u578b\uff0c\u975e\u5373\u65f6\u53ef\u89c1\uff0c\u5141\u8bb8\u5185\u5b58\u8bbf\u95ee\u6307\u4ee4\u91cd\u6392\u5e8f\u3002<\/p>\n

\u5982\u4e0b\u56fe\uff1a<\/p>\n

\u7ebf\u7a0b\u5bf9\u5171\u4eab\u53d8\u91cf\u7684\u8bbf\u95ee\uff0c\u5e76\u975e\u76f4\u63a5\u8bbf\u95ee\u5171\u4eab\u5185\u5b58\uff0c\u800c\u662f\u8bbf\u95ee\u5171\u4eab\u5185\u5b58\u7684\u4e00\u4efdcopy\uff0c\u8fd9\u4efdcopy\u6211\u4eec\u79f0\u5b83\u4e3a\u5de5\u4f5c\u5185\u5b58\uff08\u5de5\u4f5c\u5185\u5b58\u662f\u6982\u5ff5\u4e0a\u7684\u533a\u57df\uff0c\u53ef\u4ee5\u662f\u5bc4\u5b58\u5668\u4e0a\u3001cpu\u7f13\u5b58\u3001\u6216\u8005\u4e3b\u5185\u5b58\uff0c\u770b\u5177\u4f53\u7684\u865a\u62df\u673a\u5b9e\u73b0\u53ca\u8fd0\u884c\u65f6\u4f18\u5316\uff09\u3002<\/p>\n

l working memory<\/p>\n

\u7ebf\u7a0b\u8bbf\u95ee\u5b9e\u4f8b\u53d8\u91cf\u3001\u9759\u6001\u53d8\u91cf\u3001\u6570\u636e\u5bf9\u8c61\u5143\u7d20\uff08\u9664\u5c40\u90e8\u53d8\u91cf\u548c\u53c2\u6570\u4e4b\u5916\uff09\u90fd\u901a\u8fc7\u8bbf\u95ee\u5404\u81ea\u5de5\u4f5c\u5185\u5b58copy<\/p>\n

\u7ebf\u7a0b\u7684\u5de5\u4f5c\u5185\u5b58\u4e4b\u95f4\u662f\u4e0d\u53ef\u89c1<\/p>\n

\u7ebf\u7a0b\u4e4b\u95f4\u53d8\u91cf\u7684\u4f20\u9012\u901a\u8fc7\u4e3b\u5185\u5b58<\/p>\n

\u65e2\u7136\u5728\u591a\u7ebf\u7a0b\u4e0b\u7684\u5185\u5b58\u6a21\u578b\u7c7b\u4f3c\u4e8ecpu->cpu\u7f13\u5b58->\u4e3b\u5185\u5b58\u7684\u4e09\u7ea7\u6a21\u578b\uff0c\u90a3\u4e48\u540c\u6837\u4e5f\u5b58\u5728\u4e0a\u9762\u5185\u5b58\u5171\u4eab\u7684\u95ee\u9898\u3002\u6362\u53e5\u8bdd\u8bf4\u540c\u6837\u5b58\u5728\u4ee5\u4e0b\u95ee\u9898\uff1a<\/p>\n

\u00fc \u4e00\u4e2a\u7ebf\u7a0b\u5728\u64cd\u4f5c\u4e00\u4e2a\u5171\u4eab\u53d8\u91cf\u65f6\uff0c\u4e0d\u53d7\u5176\u5b83\u7ebf\u7a0b\u5e72\u6270\uff08\u539f\u5b50\u6027\uff09<\/p>\n

\u00fc \u4e00\u4e2a\u7ebf\u7a0b\u6539\u53d8\u4e86\u4e00\u4e2a\u5171\u4eab\u53d8\u91cf\uff0c\u5176\u5b83\u7ebf\u7a0b\u5982\u4f55\u53ca\u65f6\u770b\u5230\uff08\u53ef\u89c1\u6027\uff09<\/p>\n

\u00fc \u5982\u4f55\u4fdd\u8bc1\u591a\u4e2a\u7ebf\u7a0b\u6709\u5e8f\u5730\u53bb\u64cd\u4f5c\u5171\u4eab\u53d8\u91cf\uff08\u6709\u5e8f\u6027\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5185\u5b58\u4e00\u81f4\u6027\u6a21\u578b wiki http:\/\/preshing.com\/2012091 … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,1],"tags":[],"class_list":["post-254246","post","type-post","status-publish","format-standard","hentry","category-software-download","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=\/wp\/v2\/posts\/254246","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=254246"}],"version-history":[{"count":14,"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=\/wp\/v2\/posts\/254246\/revisions"}],"predecessor-version":[{"id":254255,"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=\/wp\/v2\/posts\/254246\/revisions\/254255"}],"wp:attachment":[{"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=254246"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=254246"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.zhenglei.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=254246"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}