{"id":93990,"date":"2020-04-21T14:34:41","date_gmt":"2020-04-21T06:34:41","guid":{"rendered":"http:\/\/4563.org\/?p=93990"},"modified":"2020-04-21T14:34:41","modified_gmt":"2020-04-21T06:34:41","slug":"%e5%88%a9%e7%94%a8%e5%be%aa%e7%8e%af%e7%a1%ae%e4%bf%9d%e9%98%9f%e5%88%97%e6%9c%89%e4%b8%9c%e8%a5%bf%e7%9a%84%e6%83%85%e5%86%b5%e6%89%8d%e5%8f%96%e5%80%bc%ef%bc%8c%e5%af%bc%e8%87%b4-cpu-100-%e5%8d%a0","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=93990","title":{"rendered":"\u5229\u7528\u5faa\u73af\u786e\u4fdd\u961f\u5217\u6709\u4e1c\u897f\u7684\u60c5\u51b5\u624d\u53d6\u503c\uff0c\u5bfc\u81f4 CPU 100% \u5360\u7528"},"content":{"rendered":"
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\u5229\u7528\u5faa\u73af\u786e\u4fdd\u961f\u5217\u6709\u4e1c\u897f\u7684\u60c5\u51b5\u624d\u53d6\u503c\uff0c\u5bfc\u81f4 CPU 100% \u5360\u7528 <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : iwdmb <\/span> <\/i> 17<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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\u5927\u5bb6\u597d\uff0c\u76ee\u524d\u9047\u5230\u4e86\u4e00\u4e2a\u95ee\u9898\uff0c\u82e6\u601d\u8a31\u4e45\u6ca1\u6709\u6bd4\u8f83\u597d\u7684\u89e3\u6cd5\u3002<\/p>\n

\u6211\u6709\u4e00\u4e2a\u961f\u5217\uff0c\u60f3\u8981\u786e\u4fdd\u5176\u91cc\u9762\u6709\u4e1c\u897f\u7684\u60c5\u51b5\uff0c\u624d\u5c06\u5176\u53d6\u51fa\u5e76\u5220\u9664\uff0c\u5fc5\u987b\u8981\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u3002<\/p>\n

while (true) {  if deque.length() > 0 {   \/\/ deque.popBack  }          \/\/ sleep } <\/code><\/pre>\n
\u8fd9\u6bb5\u4ee3\u7801\u5728 deque.length() \u4e00\u76f4\u4e3a 0 \u7684\u65f6\u5019\uff0c\u4f1a\u5bfc\u81f4 CPU \u5360\u7528 100%\u3002<\/p>\n
\u60f3\u8be2\u95ee\u9664\u4e86\u52a0\u4e0a sleep \u6709\u6ca1\u6709\u6bd4\u8f83\u597d\u7684\u4f5c\u6cd5\u3002<\/p>\n
\u8c22\u8c22\u5927\u5bb6\uff01<\/p>\n
P.s. \u5728 Golang \u53ef\u4ee5\u900f\u8fc7 Channel \u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u4e0d\u8fc7 Channel \u672c\u8eab\u6d89\u53ca\u5230\u4e86 runtime \u7684\u8c03\u5ea6\uff0c\u60f3\u77e5\u9053\u5728\u5176\u4ed6\u8bed\u8a00 \u4f8b\u5982 Java or C++ \u662f\u5982\u4f55\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u7684\u3002<\/p>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (17<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : araaaa <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u7528\u5355\u7ebf\u7a0b\u6c60\u505a\u5b9a\u65f6\u4efb\u52a1                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : iwdmb <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @araaaa 
    \u53ef\u80fd\u662f\u6211\u63cf\u8ff0\u7684\u4e0d\u6e05\u695a
    \u6211\u4e3b\u8981\u662f\u60f3\u89e3\u51b3\u5728\u6ca1\u6709\u5ef6\u8fdf\u7684\u60c5\u51b5\u5904\u7406 deque \u4e2d\u7684\u8d44\u6599
    \u540c\u65f6\u907f\u514d CPU 100% \u7684\u95ee\u9898                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : iwdmb <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 sleep \u53ea\u662f\u5176\u4e2d\u4e00\u4e2a\u89e3\u6cd5\uff0c\u53ef\u662f\u6211\u5e0c\u671b\u53ef\u4ee5\u505a\u5230\u4e0d\u8981\u5ef6\u8fdf\u7684\u5904\u7406 deque                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : litmxs <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5165\u961f\u7684\u65f6\u5019\u5524\u9192\u7ebf\u7a0b\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : araaaa <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @iwdmb #2 \u8c03\u5ea6\u5468\u671f\u95f4\u9694\u53ef\u4ee5\u5b9a\u4f4d\u6beb\u79d2\u6216\u8005\u5fae\u79d2                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : luckyrayyy <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 Java \u91cc\u9762\u6709\u5f88\u591a\u73b0\u6210\u7684\u5b9e\u73b0\uff0c\u961f\u91cc\u4e3a\u7a7a\u7684\u65f6\u5019\u7ebf\u7a0b\u5c31\u963b\u585e\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : iwdmb <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @litmxs \u8207 Golang Channel \u7684\u539f\u7406\u5176\u5be6\u5f88\u76f8\u4f3c\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : gaobing <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u751f\u4ea7\u8005\u6d88\u8d39\u8005\u662f\u4efb\u4f55\u8bed\u8a00\u7684\u5e76\u53d1\u6216\u8005\u591a\u7ebf\u7a0b\u7f16\u7a0b\u7684\u5165\u95e8\u4f8b\u5b50\u5427\u3002\u3002\u3002\u770b\u4f60\u5199\u7684\u50cf Java\uff0cJava \u91cc\u9762 wait notify \u914d\u5957\uff0cawait signal \u914d\u5957\uff0c\u6216\u8005 BlockingQueue \u90fd\u53ef\u4ee5\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : iwdmb <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @luckyrayyy \u770b\u8d77\u6765\u601d\u8def\u90fd\u662f\u7c7b\u4f3c\u7684\uff0c\u4e0d\u77e5\u9053\u80fd\u4e0d\u80fd\u8bf7\u524d\u8f88\u63a8\u8350 Java \u5f00\u6e90\u9879\u76ee\u6709\u985e\u4f3c\u7684\u5be6\u73fe\uff0c\u611f\u8c22\u3002
    \u6216\u662f\u6709\u4ec0\u4e48\u5173\u952e\u5b57\u4e4b\u7c7b\u7684\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : iwdmb <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @gaobing \u770b\u8d77\u6765\u5c31\u662f BlockingQueue\uff0c\u5b9e\u5728\u662f\u89c1\u8bc6\u6d45\u8584\uff0c\u771f\u7684\u975e\u5e38\u611f\u8c22\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : luckyrayyy <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @iwdmb TransferQueue\uff0cLinkedBlockingQuque\uff0cArrayBlockingQueue \u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : iwdmb <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @gaobing @luckyrayyy \u591a\u8c22\u4e24\u4f4d\u524d\u8f88\uff0c\u539f\u6765\u662f\u751f\u4ea7\u8005\u6d88\u8d39\u8005\u5524\u9192\u95ee\u9898\u8fd9\u4e48\u57fa\u7840\u5927\u5b66\u5c31\u5b66\u8fc7\u7684\u6848\u4f8b\uff0c\u56de\u5934\u8981\u518d\u53bb\u590d\u4e60\u4e00\u4e0b\u6050\u9f99\u4e66\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : crella <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e0d\u5982\u5b9a\u4e49\u4e00\u4e2a Deque \u7c7b\uff0c\u5b83\u7684\u5b9e\u4f8b\u53d8\u91cf data \u548c waitlist \u662f\u4e24\u4e2a\u6570\u7ec4\uff0c\u7c7b\u6709 add()\u548c out_call()\u65b9\u6cd5\u3002<\/p>\n
    \u5916\u90e8\u901a\u8fc7 Deque.add(obj)\u65b9\u6cd5\u6765\u7ed9 deque \u961f\u5217\u6dfb\u52a0\u5143\u7d20\uff0c\u4e5f\u5c31\u662f\u6dfb\u52a0\u5230 data \u6570\u7ec4\u91cc\u3002\u7136\u540e add()\u65b9\u6cd5\u5feb\u7ed3\u675f\u65f6\u7ed9 waitlist \u6dfb\u52a0\u6240\u6709\u5728 data \u91cc\u7684\u5bf9\u8c61\uff0c\u7136\u540e\u65b0\u5efa\u7ebf\u7a0b\u6267\u884c out_call()\u65b9\u6cd5\u3002<\/p>\n
    out_call()\u65b9\u6cd5\u6267\u884c\u65f6\uff0c\u65b0\u5efa\u6570\u7ec4 currentlist=waitlist \u6df1\u62f7\u8d1d\uff0c\u7136\u540e\u9010\u4e2a\u5bf9\u5e94\u5220\u9664 waitlist \u5185\u7684\u5bf9\u8c61\uff0c\u7136\u540e\u904d\u5386\u672c\u51fd\u6570\u5185\u7684 currentlist \u6267\u884c\u5916\u90e8\u51fd\u6570\u64cd\u4f5c\u5373\u53ef\u3002<\/p>\n
    \u6211\u4e0d\u4f1a\u534f\u7a0b\uff0c\u53ea\u4f1a\u7b80\u5355\u7684\u591a\u7ebf\u7a0b\u64cd\u4f5c\u3002\u4e0a\u9762\u6d89\u53ca\u5230 data \u548c waitlist \u7684\u6ce8\u610f\u52a0\u597d\u4e92\u65a5\u9501\u3002<\/p>\n
    \u5176\u5b9e\u8bf4\u7b80\u964b\u70b9\uff0c\u50cf windows \u7a97\u53e3\uff0c\u70b9\u51fb\u4e00\u4e0b\u6309\u94ae\u5c31\u6709\u53cd\u5e94\uff0c\u5b9e\u9645\u4e0a\u662f window UI \u7ebf\u7a0b\u5728\u4e3b\u5faa\u73af\uff0c\u800c\u4e0d\u662f\u5916\u90e8\u51fd\u6570\u5728\u5faa\u73af\u68c0\u67e5 win UI \u7ebf\u7a0b\u3002\u628a Deque \u7c7b\u5f53\u4f5c win UI \u7ebf\u7a0b\u5e94\u8be5\u53ef\u4ee5\u3002\u5b9e\u9645\u4e0a\u542c\u8bf4 winform \u7a0b\u5e8f\u90fd\u662f\u628a UI \u5f53\u505a\u4e3b\u7ebf\u7a0b\u7684\u3002\u518d\u8bf4\u5f97\u7b80\u5355\u70b9\u5c31\u662f\u628a Deque \u7c7b\u5f53\u6210\u6570\u7ec4\u5e76\u7ed9\u5b83\u52a0\u4e00\u4e2a\u201c\u70b9\u51fb\u6309\u94ae\u201d\u540e\u7684\u64cd\u4f5c\uff0c\u8fd9\u91cc\u7684\u201c\u70b9\u51fb\u6309\u94ae\u201d\u5e94\u8be5\u5c31\u662f\u591a\u7ebf\u7a0b\u5f80\u6570\u7ec4\u6dfb\u52a0\u5427\u3002<\/p>\n
    \u6211\u4e4b\u524d\u60f3\u7ed9 ruby \u7684 Array \u4e5f\u6dfb\u52a0\u4e00\u4e2a\u64cd\u4f5c\uff0c\u8ba9\u5b83\u88ab\u6dfb\u52a0\u5143\u7d20\u540e\u81ea\u52a8\u6267\u884c\u64cd\u4f5c\u3002\u540e\u6765\u60f3\u4e00\u4e0b\u8fd8\u662f\u7528\u7c7b\u4f3c\u4e0a\u9762\u7684 Deque \u7c7b\u5305\u88c5\u4e00\u4e2a\u7c7b\u578b\u4e3a Array \u7684\u5b9e\u4f8b\u53d8\u91cf\u597d\u4e86\u3002<\/p>\n
    \u4ee5\u4e0a\u90fd\u672a\u7ecf\u9a8c\u8bc1\uff0c\u7eaf\u5c5e\u731c\u60f3\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : hsyu53 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 c++\u7684\u8bdd\uff0c\u53ef\u4ee5\u7528 mutex + condition variable                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : Mithril <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u76f4\u63a5\u7528 ReactiveX \u5c31\u597d\u4e86\uff0c\u54cd\u5e94\u5f0f\u7684\u601d\u8def\u660e\u663e\u66f4\u7b80\u5355\u3002
    \u867d\u8bf4\u5b9e\u9645\u4e0a\u4e5f\u662f\u5f00\u4e86\u7ebf\u7a0b\u5904\u7406\u5427\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : dicc <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e3a\u5565\u4e0d\u76f4\u63a5 Queue.get()\u5462
    \u9ed8\u8ba4\u5c31\u662f block \u6c38\u4e0d\u8d85\u65f6                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : dicc <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u54e6,\u4f60\u8fd9\u4e0d\u662f python..                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    \u5229\u7528\u5faa\u73af\u786e\u4fdd\u961f\u5217\u6709\u4e1c\u897f\u7684\u60c5\u51b5\u624d\u53d6\u503c…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/93990"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=93990"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/93990\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=93990"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=93990"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=93990"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}