{"id":845,"date":"2021-09-13T09:57:45","date_gmt":"2021-09-13T01:57:45","guid":{"rendered":"http:\/\/www.wayln.com\/?p=845"},"modified":"2021-09-13T09:57:45","modified_gmt":"2021-09-13T01:57:45","slug":"%e5%b9%b6%e8%a1%8c%e7%bc%96%e7%a8%8b%e5%9f%ba%e7%a1%80-%e5%b9%b6%e8%a1%8c%e8%81%9a%e5%90%88","status":"publish","type":"post","link":"https:\/\/www.wayln.com\/?p=845","title":{"rendered":"\u5e76\u884c\u7f16\u7a0b\u57fa\u7840\u2014\u2014\u5e76\u884c\u805a\u5408"},"content":{"rendered":"<div id=\"toc_container\" class=\"toc_transparent no_bullets\"><p class=\"toc_title\">Contents<\/p><ul class=\"toc_list\"><li><a href=\"#i\"><span class=\"toc_number toc_depth_1\">1<\/span> \u95ee\u9898<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u89e3\u51b3\u65b9\u6848<\/a><\/li><li><a href=\"#i-3\"><span class=\"toc_number toc_depth_1\">3<\/span> \u8ba8\u8bba<\/a><\/li><\/ul><\/div>\n<h1><span id=\"i\">\u95ee\u9898<\/span><\/h1>\n<p>\u5728\u5e76\u884c\u64cd\u4f5c\u5b8c\u6210\u65f6\uff0c\u53ef\u4ee5\u5c06\u7ed3\u679c\u805a\u5408\u3002\u805a\u5408\u53ef\u4ee5\u5bf9\u503c\u6c42\u548c\u6216\u6c42\u5e73\u5747\u503c\u3002<\/p>\n<h1><span id=\"i-2\">\u89e3\u51b3\u65b9\u6848<\/span><\/h1>\n<p>Parallel\u7c7b\u5bf9\u805a\u5408\u7684\u652f\u6301\u57fa\u4e8e\u5c40\u90e8\u503c\u7684\u6982\u5ff5\uff0c\u4e5f\u5c31\u662f\u5c40\u90e8\u5b58\u5728\u4e0e\u5e76\u884c\u5faa\u73af\u4e2d\u7684\u53d8\u91cf\u3002\u8fd9\u610f\u5473\u7740\u5faa\u73af\u4f53\u65e0\u9700\u540c\u6b65\uff0c\u4fbf\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u503c\u3002\u5f53\u5faa\u73af\u51c6\u5907\u597d\u805a\u5408\u5176\u6240\u6709\u5c40\u90e8\u7ed3\u679c\u65f6\uff0c\u4f1a\u901a\u8fc7localFinally\u59d4\u6258\u6765\u5904\u7406\uff0c\u6ce8\u610f\uff0c\u5bf9\u4e8e\u6301\u6709\u6700\u7ec8\u7ed3\u679c\u7684\u53d8\u91cflocalFinally\u59d4\u6258\u9700\u8981\u540c\u6b65\u5bf9\u5b83\u7684\u8bbf\u95ee\u3002\u4ee5\u4e0b\u662f\u5e76\u884c\u6c42\u548c\u7684\u5b9e\u4f8b\uff1a<\/p>\n<pre><code class=\"language-CSharp line-numbers\">int ParallelSum(IEnumerable&lt;int&gt; values)\n{\n    object mutex=new object();\n    int result=0;\n    Parallel.ForEach(source:values,localInit:()=&gt;0,body:(item,state,localVlaue)=&gt;localValue+item,localFinally:localValue=&gt;{\n        local(mutex)\n            result+=localValue;\n    });\n    return result;\n}\n<\/code><\/pre>\n<p>PLINQ<\/p>\n<pre><code class=\"language-CSharp line-numbers\">int ParallelSum(IEnumerable&lt;int&gt; values)\n{\n    return values.AsParallel().Sum();\n}\n<\/code><\/pre>\n<h1><span id=\"i-3\">\u8ba8\u8bba<\/span><\/h1>\n<p>\u5efa\u8bae\u5728\u4f7f\u7528Parallel\u7c7b\u65f6\uff0c\u5229\u7528\u4ed6\u63d0\u4f9b\u7684\u805a\u5408\u652f\u6301\u3002\u5728\u7684\u5927\u591a\u6570\u573a\u666f\u4e2d\uff0cPLINQ\u652f\u6301\u8868\u8fbe\u66f4\u4e3a\u660e\u786e\uff0c\u4e14\u4ee3\u7801\u7bc7\u5e45\u66f4\u77ed\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Contents1 \u95ee\u98982 \u89e3\u51b3\u65b9\u68483 \u8ba8\u8bba \u95ee\u9898 \u5728\u5e76\u884c\u64cd\u4f5c\u5b8c\u6210\u65f6\uff0c\u53ef\u4ee5\u5c06\u7ed3\u679c\u805a\u5408\u3002\u805a\u5408\u53ef\u4ee5\u5bf9\u503c\u6c42\u548c\u6216\u6c42\u5e73\u5747 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,41,2],"tags":[],"class_list":["post-845","post","type-post","status-publish","format-standard","hentry","category-c","category-41","category-2"],"_links":{"self":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/845","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=845"}],"version-history":[{"count":1,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/845\/revisions"}],"predecessor-version":[{"id":846,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/845\/revisions\/846"}],"wp:attachment":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=845"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=845"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=845"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}