{"id":44800,"date":"2023-09-23T14:46:51","date_gmt":"2023-08-18T12:06:18","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/44800-2\/"},"modified":"2024-05-04T01:10:52","modified_gmt":"2024-05-03T17:10:52","slug":"44800-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/44800-2\/","title":{"rendered":""},"content":{"rendered":"

golang\u3067CPU\u6570\u3084goroutine\u6570\u3092\u77e5\u308b\u305f\u3081\u306eruntime\u3092\u6d41\u3057\u3066\u307f\u305f\u3002\u3064\u3044\u3067\u306b\u3001builtin\u306eprint\u3092\u4f7f\u3063\u3066\u307f\u305f<\/h1>\n

go routine\u3092\u547c\u3093\u3067\u3001\u305d\u306e\u6570\u304c\u5909\u308f\u308b\u3053\u3068\u3092\u78ba\u304b\u3081\u305f\u3002<\/p>\n

package<\/span> main<\/span>                                                                    \r\n\r\nimport<\/span> (<\/span>\r\n    \"runtime\"<\/span>\r\n    \"time\"<\/span>\r\n)<\/span>\r\n\r\nfunc<\/span> RuntimeSurvey<\/span>()<\/span> {<\/span>\r\n    print<\/span>(<\/span>\"NumCPU:\"<\/span>,<\/span> runtime<\/span>.<\/span>NumCPU<\/span>(),<\/span> \"<\/span>\\n<\/span>\"<\/span>)<\/span>\r\n    print<\/span>(<\/span>\"NumGoroutine:\"<\/span>,<\/span> runtime<\/span>.<\/span>NumGoroutine<\/span>(),<\/span> \"<\/span>\\n<\/span>\"<\/span>)<\/span>\r\n    print<\/span>(<\/span>\"Version:\"<\/span>,<\/span> runtime<\/span>.<\/span>Version<\/span>(),<\/span> \"<\/span>\\n<\/span>\"<\/span>)<\/span>\r\n    print<\/span>(<\/span>\"OS:\"<\/span>,<\/span> runtime<\/span>.<\/span>GOOS<\/span>,<\/span> \"<\/span>\\n<\/span>\"<\/span>)<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> main<\/span>()<\/span> {<\/span>\r\n    go<\/span> func<\/span>()<\/span> {<\/span>\r\n        time<\/span>.<\/span>Sleep<\/span>(<\/span>time<\/span>.<\/span>Second<\/span> *<\/span> 1<\/span>)<\/span>\r\n    }()<\/span> \r\n    print<\/span>(<\/span>\"Before sleep\"<\/span>)<\/span>\r\n    RuntimeSurvey<\/span>()<\/span>\r\n\r\n    time<\/span>.<\/span>Sleep<\/span>(<\/span>time<\/span>.<\/span>Second<\/span> *<\/span> 1<\/span>)<\/span>\r\n    print<\/span>(<\/span>\"After sleep\"<\/span>)<\/span>\r\n    RuntimeSurvey<\/span>()<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u7d50\u679c\u306f\u3053\u3046\u3044\u3046\u3075\u3046\u306b\u306a\u308a\u307e\u3059\u3002goroutine\u306e\u6570\u304c\u3001\uff12\u306b\u306a\u3063\u3066\u3001\u305d\u306e\u3042\u3068\uff11\u306b\u306a\u3063\u3066\u307e\u3059\u3002
\n\u51e6\u7406\u304c\u7d42\u308f\u3063\u3066\u5f85\u6a5f\u4e2d\u307f\u305f\u3044\u306b\u306a\u3063\u305f\u3089\u3001\u6570\u306b\u542b\u307e\u308c\u306a\u304f\u306a\u308b\u306e\u304b\u306a\u3002<\/p>\n
$ go run test_runtime\r\nBefore sleepNumCPU:8\r\nNumGoroutine:2\r\nVersion:go1.14.2\r\nOS:darwin\r\nAfter sleepNumCPU:8\r\nNumGoroutine:1\r\nVersion:go1.14.2\r\nOS:darwin\r\n<\/code><\/pre>\n
goroutine(\u30b4\u30eb\u30fc\u30c1\u30f3)\u306e\u7d42\u4e86\u6761\u4ef6\u306f<\/h4>\n
\u95a2\u6570\u306e\u51e6\u7406\u304c\u7d42\u308f\u308b\u3002
\nreturn\u3067\u629c\u3051\u308b\u3002
\nruntime.Goexit() \u3092\u5b9f\u884c\u3059\u308b<\/p>\n
\u304a\u307e\u3051 apple\u306e\u3053\u306eOS\u3063\u3066\u3001darwin\u3063\u3066\u3044\u3046\u3093\u3060\uff01<\/h4>\n
*wiki\u3088\u308a
\nDarwin\uff08\u30c0\u30fc\u30a6\u30a3\u30f3\uff09\u306f\u30a2\u30c3\u30d7\u30eb\u304c\u958b\u767a\u3059\u308bUnix\u7cfb\u306ePOSIX\u6e96\u62e0\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0 (OS) \u3067\u3042\u308b\u3002 \u6280\u8853\u7684\u306b\u306fNEXTSTEP\u304b\u3089OPENSTEP\u306b\u7d9a\u304f\u6d41\u308c\u3092\u6c72\u307f\u3001Mach 3.0+BSD\u3092\u30d9\u30fc\u30b9\u3068\u3057\u3001\u4e00\u90e8\u306e\u6a5f\u80fd\u306f\u4ed6\u306eBSD\u7cfbOS\u304b\u3089\u3082\u53d6\u308a\u5165\u308c\u3066\u3044\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
golang\u3067CPU\u6570\u3084goroutine\u6570\u3092\u77e5\u308b\u305f\u3081\u306eruntime\u3092\u6d41\u3057\u3066\u307f\u305f\u3002\u3064\u3044\u3067\u306b\u3001builtin\u306e […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-44800","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/44800-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"golang\u3067CPU\u6570\u3084goroutine\u6570\u3092\u77e5\u308b\u305f\u3081\u306eruntime\u3092\u6d41\u3057\u3066\u307f\u305f\u3002\u3064\u3044\u3067\u306b\u3001builtin\u306e […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/44800-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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