{"id":42213,"date":"2019-03-18T00:00:00","date_gmt":"2019-03-17T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/usloviya-v-go-i-ih-strannosti"},"modified":"2020-02-18T13:45:02","modified_gmt":"2020-02-18T10:45:02","slug":"usloviya-v-go-i-ih-strannosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/administrirovanie\/usloviya-v-go-i-ih-strannosti","title":{"rendered":"Die Eigenheiten von Go und deren Merkw\u00fcrdigkeiten","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u041a\u0430\u043a \u0432\u044b \u0434\u0443\u043c\u0430\u0435\u0442\u0435, \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u044b \u043b\u0438 \u043f\u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u044d\u0442\u0438 \u0434\u0432\u0430 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0430 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0443\u0441\u043b\u043e\u0432\u0438\u0439 \u0432\u043d\u0443\u0442\u0440\u0438 \u0446\u0438\u043a\u043b\u0430?<\/p>\n

\t\t\nif a > b && c*2 > d {\n\t....\n}\n\/\/ \u0438\nif a <= b  { \n  continue;\n}\nif c*2 > d {\n ....\n}\n<\/code><\/pre>\n
<\/a><\/noindex>
\n\u0412\u0441\u0435 \u043d\u0430\u0447\u0430\u043b\u043e\u0441\u044c \u0441 \u00ab\u0440\u0430\u0437\u043c\u0438\u043d\u043a\u0438 \u0434\u043b\u044f \u043c\u043e\u0437\u0433\u043e\u0432\u00bb, \u043d\u0430\u0434\u043e \u0431\u044b\u043b\u043e \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043f\u0440\u0438\u043c\u0435\u0440 \u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043f\u043e\u0438\u0441\u043a\u0430 \u043f\u043e \u043c\u0430\u0441\u0441\u0438\u0432\u0443 \u0446\u0435\u043b\u044b\u0445 \u0447\u0438\u0441\u0435\u043b [-x….x] \u043d\u0430\u0438\u0431\u043e\u043b\u044c\u0448\u0435\u0433\u043e \u0447\u0435\u0442\u043d\u043e\u0433\u043e \u0447\u0438\u0441\u043b\u0430. \u041c\u043d\u0435 \u0441\u0442\u0430\u043b\u043e \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u043e, \u043d\u0430\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0431\u0443\u0434\u0435\u0442 \u0432\u044b\u0448\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c, \u0435\u0441\u043b\u0438 \u0434\u043b\u044f \u0432\u044b\u044f\u0441\u043d\u0435\u043d\u0438\u044f \u0447\u0435\u0442\u043d\u043e\u0435 \u0447\u0438\u0441\u043b\u043e \u0438\u043b\u0438 \u043d\u0435\u0442, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u0443\u043c\u043d\u043e\u0436\u0435\u043d\u0438\u0435 \u043d\u0430 1. <\/p>\n
\n\/\/\u0443 \u0447\u0435\u0442\u043d\u044b\u0445 \u0447\u0438\u0441\u0435\u043b \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0439 \u0431\u0438\u0442 \u0432\u0441\u0435\u0433\u0434\u0430 \u0440\u0430\u0432\u0435\u043d 0\nvalue & 1 == 0\n\/\/vs \u043a\u043b\u0430\u0441\u0441\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u043c\u0435\u0442\u043e\u0434\nvalue % 2 == 0\n<\/code><\/pre>\n
\n\u041c\u043e\u0439 \u043e\u043f\u044b\u0442 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430 Go \u043d\u0435 \u043e\u0447\u0435\u043d\u044c \u0431\u043e\u043b\u044c\u0448\u043e\u0439, \u0447\u0443\u0442\u044c \u0431\u043e\u043b\u0435\u0435 \u043f\u043e\u043b\u0443\u0442\u043e\u0440\u0430 \u043b\u0435\u0442, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b \u044f \u0435\u0433\u043e \u0445\u043e\u0442\u044c \u0438 \u0447\u0430\u0441\u0442\u043e, \u043d\u043e \u0447\u0438\u0441\u0442\u043e \u0432 \u0443\u0442\u0438\u043b\u0438\u0442\u0430\u0440\u043d\u044b\u0445 \u0446\u0435\u043b\u044f\u0445 (\u043d\u0443 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u043a\u0440\u043e\u043c\u0435 \u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u043e\u0433\u043e \u0441 \u0432\u044b\u0441\u043e\u043a\u043e\u043d\u0430\u0433\u0440\u0443\u0436\u0435\u043d\u043d\u044b\u043c http \u0441\u0435\u0440\u0432\u0438\u0441\u043e\u043c), \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u043d\u0430\u0447\u0430\u043b \u044f \u0438\u043c\u0435\u043d\u043d\u043e \u0441 \u043d\u0435\u0433\u043e. \u041e\u0442\u043a\u0440\u044b\u0432\u0430\u0435\u043c GoLand \u0438 \u043f\u0438\u0448\u0435\u043c \u043f\u0440\u043e\u0441\u0442\u0435\u043d\u044c\u043a\u0438\u0439 \u0442\u0435\u0441\u0442<\/p>\n
\npackage main\nimport (\n\t\"fmt\"\n\t\"log\"\n\t\"math\"\n\t\"math\/rand\"\n\t\"time\"\n)\nconst size = 100000000 \/\/math.MaxInt32*2\ntype Result struct {\n\tName     string\n\tDuration time.Duration\n\tValue    int32\n}\n\nfunc main() {\n\tlog.Println(\"initial array capacity: \" + fmt.Sprint(size))\n\tvar maxValue int32\n        \/\/ \u0411\u0443\u0434\u0435\u043c \u0432\u0430\u0440\u044c\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d \u0447\u0438\u0441\u0435\u043b \u043e\u0442 \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0433\u043e \n        \/\/ \u0434\u043e \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0433\u043e. \u0427\u0435\u043c \u043c\u0435\u043d\u044c\u0448\u0435 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d, \u0442\u0435\u043c \u0431\u043e\u043b\u044c\u0448\u0435 \n        \/\/ \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043d\u043e\u0433\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0431\u0443\u0434\u0435\u0442 \u0443\u0445\u043e\u0434\u0438\u0442\u044c \u043d\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044e \n        \/\/ \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u0442\u0435\u043a\u0443\u0449\u0435\u0433\u043e \u0447\u0438\u0441\u043b\u0430, \u0441 \u0440\u0430\u043d\u0435\u0435 \u043d\u0430\u0439\u0434\u0435\u043d\u043d\u044b\u043c \u0438 \u043d\u0430\u043e\u0431\u043e\u0440\u043e\u0442\n\tfor maxValue = 128; maxValue < math.MaxInt32\/2+1; maxValue = maxValue * 2 {\n\t\ttest(maxValue)\n\t}\n}\n\nfunc test(maxValue int32) {\n\tlog.Println(\"max threshold: \" + fmt.Sprint(maxValue))\n\tarr := make([]int32, size)\n\tfor i := range arr {\n\t\tarr[i] = rand.Int31n(maxValue)\n                \/\/ \u0432 \u0442\u0435\u0441\u0442\u043e\u0432\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u043d\u0430\u043c \u043d\u0443\u0436\u043d\u044b \u0438 \u043e\u0442\u0440\u0438\u0446\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0447\u0438\u0441\u043b\u0430 \n\t\tsign := rand.Intn(2)\n\t\tif sign == 1 {\n\t\t\tarr[i] = -arr[i]\n\t\t}\n\t}\n\n        \/\/ \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u043c \u0442\u0435\u0441\u0442 \"\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u0441 \u043e\u0441\u0442\u0430\u0442\u043a\u043e\u043c\"\n\tresult := maxEvenDividing(\"maxEvenDividing\", arr)\n\tlog.Printf(result.Name+\"t result: \"+fmt.Sprint(result.Value)+\"ttduration %s\", result.Duration)\n\n        \/\/ \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u043c \u0442\u0435\u0441\u0442 \"\u043a\u043e\u043d\u044a\u044e\u043d\u043a\u0446\u0438\u0438\"\n\tresult = maxEvenConjunction(\"maxEvenConjunction\", arr)\n\tlog.Printf(result.Name+\"t result: \"+fmt.Sprint(result.Value)+\"ttduration %s\", result.Duration)\n}\n\nfunc maxEvenDividing(name string, arr []int32) Result {\n\tstart := time.Now()\n\tvar current int32 = math.MinInt32\n\tfor _, value := range arr {\n\t\tif value > current && value%2 == 0 {\n\t\t\tcurrent = value\n\t\t}\n\t}\n\tduration := time.Since(start)\n\tresult := Result{name, duration, current}\n\treturn result\n}\n\nfunc maxEvenConjunction(name string, arr []int32) Result {\n\tstart := time.Now()\n\tvar current int32 = math.MinInt32\n\tfor _, value := range arr {\n\t\tif value > current && value&1 == 0 {\n\t\t\tcurrent = value\n\t\t}\n\t}\n\tduration := time.Since(start)\n\tresult := Result{name, duration, current}\n\treturn result\n}\n\n<\/code><\/pre>\n
\n\u041f\u043e\u043b\u0443\u0447\u0430\u0435\u043c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442, \u043d\u0430 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0432\u0438\u0434\u043d\u043e, \u0447\u0442\u043e \u0442\u0435\u043c \u0431\u043e\u043b\u044c\u0448\u0435 threshold, \u0442\u0435\u043c \u0432\u0441\u0435 \u0447\u0430\u0449\u0435 \u043f\u043e\u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u0444\u043b\u0443\u043a\u0442\u0443\u0430\u0446\u0438\u0438 \u043f\u043e \u0447\u0430\u0441\u0442\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438. <\/p>\n
\u0421\u0440\u0430\u0432\u043d\u0438\u0442\u0435<\/b>max threshold: 128
\nmaxEvenDividing result: 126 duration 116.0067ms
\nmaxEvenConjunction result: 126 duration 116.0066ms<\/p>\n
max threshold: 16384
\nmaxEvenDividing result: 16382 duration 115.0066ms
\nmaxEvenConjunction result: 16382 duration 111.0064ms<\/p>\n
......<\/p>\n
max threshold: 8388608
\nmaxEvenDividing result: 8388606 duration 109.0063ms
\nmaxEvenConjunction result: 8388606 duration 109.0062ms<\/p>\n
max threshold: 16777216
\nmaxEvenDividing result: 16777214 duration 108.0062ms
\nmaxEvenConjunction result: 16777214 duration 109.0062ms<\/p>\n
max threshold: 33554432
\nmaxEvenDividing result: 33554430 duration 114.0066ms
\nmaxEvenConjunction result: 33554430 duration 110.0063ms<\/p>\n
max threshold: 67108864
\nmaxEvenDividing result: 67108860 duration 111.0064ms
\nmaxEvenConjunction result: 67108860 duration 109.0062ms<\/p>\n
max threshold: 134217728
\nmaxEvenDividing result: 134217726 duration 108.0062ms
\nmaxEvenConjunction result: 134217726 duration 109.0063ms<\/p>\n
max threshold: 268435456
\nmaxEvenDividing result: 268435446 duration 111.0063ms
\nmaxEvenConjunction result: 268435446 duration 110.0063ms
\n<\/code>
\n\u041f\u043e\u043d\u044f\u0442\u043d\u043e, \u0447\u0442\u043e \u0432 \u0434\u0430\u043d\u043d\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435, \u0434\u043b\u044f \u0440\u0430\u0437\u043d\u044b\u0445 threshold \u043c\u044b \u0438\u043c\u0435\u0435\u043c \u0440\u0430\u0437\u043d\u044b\u0435 \u043d\u0430\u0431\u043e\u0440\u044b \u0442\u0435\u0441\u0442\u043e\u0432\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445, \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0430 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430 (\u043d\u0430 \u043c\u043e\u0435\u043c \u043d\u043e\u0443\u0442\u0431\u0443\u043a\u0435 i5-2540M) \u0432\u0430\u0440\u044c\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0432 \u0440\u0430\u0439\u043e\u043d\u0435 20..30%, \u043f\u0430\u043c\u044f\u0442\u044c \u0437\u0430\u043d\u0438\u043c\u0430\u0435\u043c\u0430\u044f \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435\u043c \u0437\u0430\u043f\u0443\u0449\u0435\u043d\u043d\u044b\u043c \u0438\u0437 \u043f\u043e\u0434 GoLand \u0432 \u0441\u0440\u0435\u0434\u043d\u0435\u043c \u043e\u043a\u043e\u043b\u043e 813\u041c\u0431 \u2014 \u044d\u0442\u043e \u0442\u043e\u0436\u0435 \u0432\u043b\u0438\u044f\u0435\u0442 \u043d\u0430 \u0434\u043e\u0441\u0442\u043e\u0432\u0435\u0440\u043d\u043e\u0441\u0442\u044c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430, \u043d\u0443\u0436\u043d\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u0442\u0435\u0441\u0442\u043e\u0432\u044b\u0445 \u043d\u0430\u0431\u043e\u0440\u043e\u0432 \u043d\u0430 \u0434\u0438\u0441\u043a\u0435 \u0438 \u043f\u0440\u043e\u0433\u043d\u0430\u0442\u044c \u0432\u0441\u0435 \u0442\u0435\u0441\u0442\u044b \u0434\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0433\u043e threshold \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043e \u0434\u0440\u0443\u0433 \u043e\u0442 \u0434\u0440\u0443\u0433\u0430. <\/p>\n
\u0418 \u0432\u043e\u0442 \u0440\u0430\u0437\u0434\u0443\u043c\u044b\u0432\u0430\u044f \u043d\u0430\u0434 \u0442\u0435\u043c \u043a\u0430\u043a-\u0431\u044b \u0441 \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u043c\u0438 \u0437\u0430\u0442\u0440\u0430\u0442\u0430\u043c\u0438 \u0432\u0441\u0435 \u044d\u0442\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c, \u044f \u043c\u0430\u0448\u0438\u043d\u0430\u043b\u044c\u043d\u043e \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u044f\u044e \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0443 \u0443\u0441\u043b\u043e\u0432\u0438\u044f<\/p>\n
\t\t\nif value > current && value&1 == 0 {\n\tcurrent = value\n}\n<\/code><\/pre>\n
\n\u043d\u0430<\/p>\n
\t\t\nif value <= current {\n        continue;\n}\nif value&1 == 0 {\n\tcurrent = value\n}\n<\/code><\/pre>\n
\n\u0437\u0430\u043f\u0443\u0441\u043a\u0430\u044e \u0442\u0435\u0441\u0442\u044b \u0435\u0449\u0435 \u0440\u0430\u0437\u2026 \u0438 \u043f\u0435\u0440\u0435\u0441\u0442\u0430\u044e \u0447\u0442\u043e \u043b\u0438\u0431\u043e \u043f\u043e\u043d\u0438\u043c\u0430\u0442\u044c \ud83d\ude42<\/p>\n
\u0412\u0440\u0435\u043c\u044f \u0437\u0430\u0442\u0440\u0430\u0447\u0438\u0432\u0430\u0435\u043c\u043e\u0435 \u043d\u0430 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043d\u0430\u0447\u0438\u043d\u0430\u0435\u0442 \u043e\u0442\u043b\u0438\u0447\u0430\u0442\u044c\u0441\u044f \u0443\u0436\u0435 \u043d\u0435 \u043d\u0430 \u043f\u0440\u043e\u0446\u0435\u043d\u0442\u044b\/\u0434\u043e\u043b\u0438 \u043f\u0440\u043e\u0446\u0435\u043d\u0442\u0430, \u0430 \u043d\u0430 10..15% \u0411\u044b\u0441\u0442\u0440\u043e \u0434\u043e\u043f\u0438\u0441\u044b\u0432\u0430\u044e \u0435\u0449\u0435 2 \u0442\u0435\u0441\u0442\u0430:<\/p>\n
\t\t\nfunc maxEvenDividing2(name string, arr []int32) Result {\n\tstart := time.Now()\n\tvar current int32 = math.MinInt32\n\tfor _, value := range arr {\n\t\tif value <= current {\n\t\t\tcontinue\n\t\t}\n\n\t\tif value%2 == 0 {\n\t\t\tcurrent = value\n\t\t}\n\t}\n\tduration := time.Since(start)\n\tresult := Result{name, duration, current}\n\treturn result\n}\n\nfunc maxEvenConjunction2(name string, arr []int32) Result {\n\tstart := time.Now()\n\tvar current int32 = math.MinInt32\n\tfor _, value := range arr {\n\t\tif value <= current {\n\t\t\tcontinue\n\t\t}\n\t\tif value&1 == 0 {\n\t\t\tcurrent = value\n\t\t}\n\t}\n\tduration := time.Since(start)\n\tresult := Result{name, duration, current}\n\treturn result\n}\n<\/code><\/pre>\n
\n\u0437\u0430\u043f\u0443\u0441\u043a\u0430\u044e \u0438 \u043f\u043e\u043b\u0443\u0447\u0430\u044e \u0432\u043e\u0442 \u0442\u0430\u043a\u0443\u044e \u043a\u0430\u0440\u0442\u0438\u043d\u043a\u0443:<\/b>initial array capacity: 100000000<\/p>\n
max threshold: 128
\nmaxEvenDividing result: 126 duration 116.0066ms
\nmaxEvenDividing2 result: 126 duration 79.0045ms
\nmaxEvenConjunction result: 126 duration 114.0065ms
\nmaxEvenConjunction2 result: 126 duration 83.0048ms<\/p>\n
max threshold: 256
\nmaxEvenDividing result: 254 duration 111.0063ms
\nmaxEvenDividing2 result: 254 duration 77.0044ms
\nmaxEvenConjunction result: 254 duration 110.0063ms
\nmaxEvenConjunction2 result: 254 duration 80.0046ms<\/p>\n
max threshold: 512
\nmaxEvenDividing result: 510 duration 114.0066ms
\nmaxEvenDividing2 result: 510 duration 80.0045ms
\nmaxEvenConjunction result: 510 duration 110.0063ms
\nmaxEvenConjunction2 result: 510 duration 80.0046ms<\/p>\n
max threshold: 1024
\nmaxEvenDividing result: 1022 duration 109.0063ms
\nmaxEvenDividing2 result: 1022 duration 77.0044ms
\nmaxEvenConjunction result: 1022 duration 111.0063ms
\nmaxEvenConjunction2 result: 1022 duration 81.0047ms<\/p>\n
max threshold: 2048
\nmaxEvenDividing result: 2046 duration 114.0065ms
\nmaxEvenDividing2 result: 2046 duration 79.0045ms
\nmaxEvenConjunction result: 2046 duration 113.0065ms
\nmaxEvenConjunction2 result: 2046 duration 81.0046ms<\/p>\n
max threshold: 4096
\nmaxEvenDividing result: 4094 duration 114.0065ms
\nmaxEvenDividing2 result: 4094 duration 80.0046ms
\nmaxEvenConjunction result: 4094 duration 111.0063ms
\nmaxEvenConjunction2 result: 4094 duration 78.0045ms<\/p>\n
max threshold: 8192
\nmaxEvenDividing result: 8190 duration 107.0062ms
\nmaxEvenDividing2 result: 8190 duration 77.0044ms
\nmaxEvenConjunction result: 8190 duration 111.0063ms
\nmaxEvenConjunction2 result: 8190 duration 77.0044ms<\/p>\n
max threshold: 16384
\nmaxEvenDividing result: 16382 duration 109.0063ms
\nmaxEvenDividing2 result: 16382 duration 77.0044ms
\nmaxEvenConjunction result: 16382 duration 108.0062ms
\nmaxEvenConjunction2 result: 16382 duration 77.0044ms<\/p>\n
max threshold: 32768
\nmaxEvenDividing result: 32766 duration 112.0064ms
\nmaxEvenDividing2 result: 32766 duration 77.0044ms
\nmaxEvenConjunction result: 32766 duration 109.0062ms
\nmaxEvenConjunction2 result: 32766 duration 78.0045ms<\/p>\n
max threshold: 65536
\nmaxEvenDividing result: 65534 duration 109.0062ms
\nmaxEvenDividing2 result: 65534 duration 75.0043ms
\nmaxEvenConjunction result: 65534 duration 109.0063ms
\nmaxEvenConjunction2 result: 65534 duration 79.0045ms<\/p>\n
max threshold: 131072
\nmaxEvenDividing result: 131070 duration 108.0061ms
\nmaxEvenDividing2 result: 131070 duration 76.0044ms
\nmaxEvenConjunction result: 131070 duration 110.0063ms
\nmaxEvenConjunction2 result: 131070 duration 80.0046ms<\/p>\n
max threshold: 262144
\nmaxEvenDividing result: 262142 duration 110.0063ms
\nmaxEvenDividing2 result: 262142 duration 76.0044ms
\nmaxEvenConjunction result: 262142 duration 107.0061ms
\nmaxEvenConjunction2 result: 262142 duration 78.0044ms<\/p>\n
max threshold: 524288
\nmaxEvenDividing result: 524286 duration 109.0062ms
\nmaxEvenDividing2 result: 524286 duration 78.0045ms
\nmaxEvenConjunction result: 524286 duration 109.0062ms
\nmaxEvenConjunction2 result: 524286 duration 80.0046ms<\/p>\n
max threshold: 1048576
\nmaxEvenDividing result: 1048574 duration 109.0063ms
\nmaxEvenDividing2 result: 1048574 duration 80.0045ms
\nmaxEvenConjunction result: 1048574 duration 114.0066ms
\nmaxEvenConjunction2 result: 1048574 duration 78.0044ms<\/p>\n
max threshold: 2097152
\nmaxEvenDividing result: 2097150 duration 111.0064ms
\nmaxEvenDividing2 result: 2097150 duration 79.0045ms
\nmaxEvenConjunction result: 2097150 duration 112.0064ms
\nmaxEvenConjunction2 result: 2097150 duration 77.0044ms<\/p>\n
max threshold: 4194304
\nmaxEvenDividing result: 4194302 duration 111.0063ms
\nmaxEvenDividing2 result: 4194302 duration 78.0045ms
\nmaxEvenConjunction result: 4194302 duration 111.0063ms
\nmaxEvenConjunction2 result: 4194302 duration 77.0044ms<\/p>\n
max threshold: 8388608
\nmaxEvenDividing result: 8388606 duration 109.0062ms
\nmaxEvenDividing2 result: 8388606 duration 78.0045ms
\nmaxEvenConjunction result: 8388606 duration 114.0065ms
\nmaxEvenConjunction2 result: 8388606 duration 78.0045ms<\/p>\n
max threshold: 16777216
\nmaxEvenDividing result: 16777214 duration 109.0062ms
\nmaxEvenDividing2 result: 16777214 duration 77.0044ms
\nmaxEvenConjunction result: 16777214 duration 109.0063ms
\nmaxEvenConjunction2 result: 16777214 duration 77.0044ms<\/p>\n
max threshold: 33554432
\nmaxEvenDividing result: 33554430 duration 113.0065ms
\nmaxEvenDividing2 result: 33554430 duration 78.0045ms
\nmaxEvenConjunction result: 33554430 duration 110.0063ms
\nmaxEvenConjunction2 result: 33554430 duration 80.0045ms<\/p>\n
max threshold: 67108864
\nmaxEvenDividing result: 67108860 duration 112.0064ms
\nmaxEvenDividing2 result: 67108860 duration 77.0044ms
\nmaxEvenConjunction result: 67108860 duration 112.0064ms
\nmaxEvenConjunction2 result: 67108860 duration 80.0046ms<\/p>\n
max threshold: 134217728
\nmaxEvenDividing result: 134217726 duration 109.0063ms
\nmaxEvenDividing2 result: 134217726 duration 78.0044ms
\nmaxEvenConjunction result: 134217726 duration 114.0065ms
\nmaxEvenConjunction2 result: 134217726 duration 81.0047ms<\/p>\n
max threshold: 268435456
\nmaxEvenDividing result: 268435446 duration 111.0064ms
\nmaxEvenDividing2 result: 268435446 duration 79.0045ms
\nmaxEvenConjunction result: 268435446 duration 114.0065ms
\nmaxEvenConjunction2 result: 268435446 duration 79.0045ms<\/p>\n
max threshold: 536870912
\nmaxEvenDividing result: 536870910 duration 107.0062ms
\nmaxEvenDividing2 result: 536870910 duration 76.0043ms
\nmaxEvenConjunction result: 536870910 duration 109.0062ms
\nmaxEvenConjunction2 result: 536870910 duration 80.0046ms<\/p>\n
\u0412\u043d\u044f\u0442\u043d\u043e\u0433\u043e \u043e\u0431\u044c\u044f\u0441\u043d\u0435\u043d\u0438\u044f, \u043f\u043e\u0447\u0435\u043c\u0443 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440 Go \u043d\u0435 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0438\u0440\u0443\u0435\u0442 \u043a\u043e\u0434 \u0438 \u0432\u0441\u0435\u0433\u0434\u0430 \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442 \u0432\u0442\u043e\u0440\u043e\u0435 \u0443\u0441\u043b\u043e\u0432\u0438\u0435, \u0434\u0430\u0436\u0435 \u0435\u0441\u043b\u0438 \u043f\u0435\u0440\u0432\u043e\u0435 \u043b\u043e\u0436\u043d\u043e \u2014 \u044f \u043d\u0435 \u043d\u0430\u0448\u0435\u043b. \u0410 \u043c\u043e\u0436\u0435\u0442 \u0443 \u043c\u0435\u043d\u044f \u043f\u0440\u043e\u0441\u0442\u043e \u0433\u043b\u0430\u0437 \u00ab\u0437\u0430\u043c\u044b\u043b\u0438\u043b\u0441\u044f\u00bb \u0438 \u044f \u043d\u0435 \u0432\u0438\u0436\u0443 \u043a\u0430\u043a\u043e\u0439 \u0442\u043e \u043e\u0447\u0435\u0432\u0438\u0434\u043d\u043e\u0439 \u043e\u0448\u0438\u0431\u043a\u0438? \u0418\u043b\u0438 \u043d\u0430\u0434\u043e \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0442\u044c \u043a\u0430\u043a\u0438\u0435 \u0442\u043e \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u044b\u0435 \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0438 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0443? \u0411\u044b\u043b \u0431\u044b \u0440\u0430\u0434 \u0442\u043e\u043b\u043a\u043e\u0432\u044b\u043c \u043a\u043e\u043c\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f\u043c.<\/p>\n
PS:<\/b> \u0414\u0430, \u0434\u043b\u044f \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u0430, \u043f\u0440\u043e\u0433\u043d\u0430\u043b \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u043d\u044b\u0435 \u0442\u0435\u0441\u0442\u044b \u043d\u0430 Java 5 \u0438 Java 7\/8 \u2014 \u0432\u0441\u0435 \u0447\u0435\u0442\u043a\u043e, \u0432\u0440\u0435\u043c\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u043e\u0435.<\/p>\n
\u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a: habr.com<\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"
\u041a\u0430\u043a \u0432\u044b \u0434\u0443\u043c\u0430\u0435\u0442\u0435, \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u044b \u043b\u0438 \u043f\u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u044d\u0442\u0438 \u0434\u0432\u0430 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0430 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0443\u0441\u043b\u043e\u0432\u0438\u0439 \u0432\u043d\u0443\u0442\u0440\u0438 \u0446\u0438\u043a\u043b\u0430? if a > b && c*2 > d { …. } \/\/ \u0438 if a <= b { continue; } if c*2 > d { …. } \u0412\u0441\u0435 \u043d\u0430\u0447\u0430\u043b\u043e\u0441\u044c \u0441 \u00ab\u0440\u0430\u0437\u043c\u0438\u043d\u043a\u0438 \u0434\u043b\u044f \u043c\u043e\u0437\u0433\u043e\u0432\u00bb, \u043d\u0430\u0434\u043e \u0431\u044b\u043b\u043e \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043f\u0440\u0438\u043c\u0435\u0440 \u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043f\u043e\u0438\u0441\u043a\u0430 \u043f\u043e \u043c\u0430\u0441\u0441\u0438\u0432\u0443 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-42213","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Bedingungen in Go und ihre Eigenheiten | ProHoster","description":"Was denken Sie, sind diese beiden Varianten zur \u00dcberpr\u00fcfung von Bedingungen innerhalb einer Schleife hinsichtlich der Leistung \u00e4quivalent? if a > b && c*2 > d { .... } \/\/ und if a d { .... } Alles begann mit der 'Aufw\u00e4rm\u00fcbung', ich musste ein Beispiel f\u00fcr eine optimale Suche in einem Array bringen.","canonical_url":"https:\/\/prohoster.info\/de\/blog\/administrirovanie\/usloviya-v-go-i-ih-strannosti","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"de_DE","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0423\u0441\u043b\u043e\u0432\u0438\u044f \u0432 Go \u0438 \u0438\u0445 \u0441\u0442\u0440\u0430\u043d\u043d\u043e\u0441\u0442\u0438 | ProHoster","og:description":"\u041a\u0430\u043a \u0432\u044b \u0434\u0443\u043c\u0430\u0435\u0442\u0435, \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u044b \u043b\u0438 \u043f\u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u044d\u0442\u0438 \u0434\u0432\u0430 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0430 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0443\u0441\u043b\u043e\u0432\u0438\u0439 \u0432\u043d\u0443\u0442\u0440\u0438 \u0446\u0438\u043a\u043b\u0430? 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