我正在將文本模式掃描儀從Python3轉(zhuǎn)換為Go1.10，但驚訝的是它實(shí)際上慢了2倍。經(jīng)分析，罪魁禍?zhǔn)自趕trings.Contains()。請(qǐng)參閱下面的簡(jiǎn)單基準(zhǔn)。我有什么想念的嗎？您能推薦一種更快的Go模式搜索算法，這種算法在這種情況下會(huì)更好嗎？我不必?fù)?dān)心啟動(dòng)時(shí)間，相同的模式將用于掃描數(shù)百萬個(gè)文件。Py3基準(zhǔn)：import timeimport reRUNS = 10000if __name__ == '__main__':    with open('data.php') as fh:        testString = fh.read()    def do():        return "576ad4f370014dfb1d0f17b0e6855f22" in testString    start = time.time()    for i in range(RUNS):        _ = do()    duration = time.time() - start    print("Python: %.2fs" % duration)Go1.10基準(zhǔn)測(cè)試：package mainimport (    "fmt"    "io/ioutil"    "log"    "strings"    "time")const (    runs = 10000)func main() {    fname := "data.php"    testdata := readFile(fname)    needle := "576ad4f370014dfb1d0f17b0e6855f22"    start := time.Now()    for i := 0; i < runs; i++ {        _ = strings.Contains(testdata, needle)    }    duration := time.Now().Sub(start)    fmt.Printf("Go: %.2fs\n", duration.Seconds())}func readFile(fname string) string {    data, err := ioutil.ReadFile(fname)    if err != nil {        log.Fatal(err)    }    return string(data)}data.php是528KB的文件，可以在這里找到。輸出：Go:     1.98sPython: 0.84s