go语言并行测试

func Split(s, seq string) (result []string) {
    i := strings.Index(s, seq)
    for i>-1 {
        result = append(result, s[:i])
        s = s[i+len(seq):]
        //s = s[i+1:]
        i = strings.Index(s, seq)
    }
    result = append(result, s)
    return result
}

func BenchmarkSplit(b *testing.B) {
    for i:=0;i<b.N;i++ {
        Split("a:b:c",":")
    }
}

//并行测试
func BenchmarkSplitParallel(b *testing.B){
//  b.SetParallelism(4)//设置测试使用的CPU数
    b.RunParallel(func(pb *testing.PB) {
        for pb.Next() {
            Split("a:b:c",":")
        }
    })
}

//并行测试
/*
go test -bench=BenchmarkSplitParallel
//设置cpu数
go test -bench=BenchmarkSplitParallel -cpu=8
 */