perf-go

Benchmarks of different approaches for common problem in go

Run tests

make

Results (On my PC ;) )

Counter problem using sync.atomic versus sync.mutex

Counter	Total	ns/op
BenchmarkCounterAtomic-4	69815256	18.02
BenchmarkCounterMutex-4	24769442	46.93

Factorial recursive vs serial

Factorial	Total	ns/op
BenchmarkFactorialSerial/FactorialSerial-20-4	113081472	10.46
BenchmarkFactorialSerial/FactorialRecursive-20-4	27576867	40.32
BenchmarkFactorialParallel/FactorialSerial-20-4	276191018	4.326
BenchmarkFactorialParallel/FactorialRecursive-20-4	72123966	15.11

Fibonacci Classic vs DP

Fibbonacci	Total	ns/op
BenchmarkFibonnaciSerial/FibonacciSumClassic-20-4	31941	37669
BenchmarkFibonnaciSerial/FibonacciSumDP-20-4	59457067	18.42
BenchmarkFibbonacciParallel-4	75055	15622

Fizzbuzz three approaches

FizzBuzz	Total	ns/op
BenchmarkFizzBuzzSer/v1-1-4	290979	3659
BenchmarkFizzBuzzSer/v2-1-4	250216	5175
BenchmarkFizzBuzzSer/v3-1-4	262671	4178
BenchmarkFizzBuzzPar/v1-1-4	526555	1991
BenchmarkFizzBuzzPar/v2-1-4	480120	2218
BenchmarkFizzBuzzPar/v3-1-4	494432	2205

Check if number is prime, Three ways worst to best

Is Prime	Total	ns/op
BenchmarkIsPrimeSerial/PrimeV1-1-4	51702789	19.60
BenchmarkIsPrimeSerial/PrimeV2-1-4	48296462	22.95
BenchmarkIsPrimeSerial/PrimeV3-1-4	75659934	15.84
BenchmarkIsPrimeParallel-4	49888394	21.62

JSON vs XML Vs ProtoBuf

JSON vs XML	Total	ns/op	mem/op	alloc/op
BenchmarkToJSON-4	332880	3214	179	3
BenchmarkToXML-4	99578	11726	4632	11
BenchmarkFromJSON-4	167470	7137	312	7
BenchmarkFromXML-4	46717	25749	1608	34
BenchmarkParToXML-4	190856	6110	4632	11
BenchmarkParToJSON-4	716979	1718	179	3
BenchmarkParFromJSON-4	336836	3518	312	7
BenchmarkParFromXML-4	74744	15033	1608	34
BenchmarkToProto-4	6285468	175.3	80	2
BenchmarkFromProto-4	5491707	211.5	72	2
BenchmarkParToProto-4	10795147	100.6	80	2
BenchmarkParFromProto-4	9810102	114.5	72	2