Bench Error golang

just benchmark simple package

Run Bench

go test -benchmem -bench=.

new error with fmt.Errorf() vs errors.New() vs pkg/errors.New() vs xerrors.New()

goos: darwin
goarch: amd64
pkg: github.com/TonPC64/benchgo
BenchmarkNewErrWithFmt-8               	30000000	        47.4 ns/op	       5 B/op	       1 allocs/op
BenchmarkNewErrWithErrors-8            	2000000000	         0.26 ns/op	       0 B/op	       0 allocs/op
BenchmarkNewErrWithPKGError-8          	 2000000	       543 ns/op	     288 B/op	       2 allocs/op
BenchmarkNewErrWithXErrors-8           	 5000000	       361 ns/op	      48 B/op	       1 allocs/op
BenchmarkNewErrWithFmtConcat-8         	10000000	       166 ns/op	      16 B/op	       1 allocs/op
BenchmarkNewErrWithErrorsConcat-8      	100000000	        17.4 ns/op	       0 B/op	       0 allocs/op
BenchmarkNewErrWithPKGErrorsConcat-8   	 2000000	       644 ns/op	     352 B/op	       4 allocs/op
BenchmarkNewErrWithXErrorsConcat-8     	 2000000	       669 ns/op	      80 B/op	       2 allocs/op
BenchmarkStackTraceErrorConCat-8       	20000000	        88.2 ns/op	      96 B/op	       3 allocs/op
BenchmarkStackTraceErrorConCatFmt-8    	 5000000	       262 ns/op	      96 B/op	       3 allocs/op
PASS
ok  	github.com/TonPC64/benchgo	16.882s