Go 1.1 Map performance.

gistfile1.txt

Impressed with the performance gains in go 1.1 on maps. I had to write my own for the original gnatsd.
HashMap is my own implementation.

go 1.0.3
~/Development/go/src/github.com/apcera/gnatsd/hashmap> go test --bench="."
PASS
Benchmark_GoMap___GetSmallKey   50000000	        53.1 ns/op	  18.82 MB/s
Benchmark_HashMap_GetSmallKey	10000000		21.4 ns/op	  46.69 MB/s
Benchmark_GoMap____GetMedKey	20000000	     	107 ns/op	   9.27 MB/s
Benchmark_HashMap__GetMedKey	50000000		34.7 ns/op	  28.78 MB/s
Benchmark_HashMap_______Set	10000000		141 ns/op	   7.05 MB/s
ok  	github.com/apcera/gnatsd/hashmap	10.518s

go 1.1

~/Development/go/src/github.com/apcera/gnatsd/hashmap> go test --bench="."
PASS
Benchmark_GoMap___GetSmallKey	100000000	        10.0 ns/op	  99.79 MB/s
Benchmark_HashMap_GetSmallKey	100000000	        17.6 ns/op	  56.72 MB/s
Benchmark_GoMap____GetMedKey	100000000	        24.5 ns/op	  40.87 MB/s
Benchmark_HashMap__GetMedKey	100000000	        30.0 ns/op	  33.39 MB/s
Benchmark_HashMap_______Set	20000000	        99.5 ns/op	  10.05 MB/s
ok  	github.com/apcera/gnatsd/hashmap	10.385s