statistics utils for golang
// proc.counter Benchmark Test Result
BenchmarkSCounterBaseIncr 5000000 49.7 ns/op
BenchmarkSCounterBaseIncrConcurrent 5000000 51.1 ns/op
BenchmarkSCounterQpsIncr 5000000 51.0 ns/op
BenchmarkSCounterQpsIncrConcurrent 5000000 51.7 ns/op
// proc.filter Benchmark Test Result
BenchmarkFilter 5000000 93.1 ns/op
BenchmarkFilterConcurrent 5000000 98.0 ns/op