cpu: Intel(R) Core(TM) i5-7360U CPU @ 2.30GHz
/sequential
BenchmarkCountWords-4 21622 55140 ns/op
BenchmarkCountWords1000-4 22098 55124 ns/op
BenchmarkCountWords2000-4 12482 98389 ns/op
BenchmarkCountWords3000-4 8599 150289 ns/op
BenchmarkCountWords4000-4 5305 237155 ns/op
BenchmarkCountWords5000-4 5586 221677 ns/op
BenchmarkCountWords6000-4 4374 282460 ns/op
BenchmarkCountWords7000-4 3681 294271 ns/op
BenchmarkCountWords8000-4 3379 325426 ns/op
BenchmarkCountWords9000-4 3034 367464 ns/op
BenchmarkCountWords10000-4 2881 410021 ns/op
/concurrent
BenchmarkCountWords1000-4 13071 88327 ns/op
BenchmarkCountWords2000-4 7888 163060 ns/op
BenchmarkCountWords3000-4 3980 291070 ns/op
BenchmarkCountWords4000-4 3697 320616 ns/op
BenchmarkCountWords5000-4 2944 365759 ns/op
BenchmarkCountWords6000-4 2985 400420 ns/op
BenchmarkCountWords7000-4 2959 559283 ns/op
BenchmarkCountWords8000-4 2385 510124 ns/op
BenchmarkCountWords9000-4 2140 550706 ns/op
BenchmarkCountWords10000-4 1996 610757 ns/op