[golang-dev] Re: code review 6782072: crypto/md5: speed up aligned writes and test/bench unal... (issue 6782072)

On Nov 16, 2012 2:10 AM, wrote:
dfc@qnap:~/go/src/pkg/crypto/**md5$ ~/go/misc/benchcmp {old,new}.txt
benchmark old ns/op new ns/op delta
BenchmarkHash8Bytes 4104 3417 -16.74%
BenchmarkHash1K 22061 11208 -49.20%
BenchmarkHash8K 146630 65148 -55.57%
BenchmarkHash8BytesUnaligned 4128 3436 -16.76%
BenchmarkHash1KUnaligned 22054 21473 -2.63%
BenchmarkHash8KUnaligned 146658 146909 +0.17%

benchmark old MB/s new MB/s speedup
BenchmarkHash8Bytes 1.95 2.34 1.20x
BenchmarkHash1K 46.42 91.36 1.97x
BenchmarkHash8K 55.87 125.74 2.25x
BenchmarkHash8BytesUnaligned 1.94 2.33 1.20x
BenchmarkHash1KUnaligned 46.43 47.69 1.03x
BenchmarkHash8KUnaligned 55.86 55.76 1.00x

https://codereview.appspot.**com/6782072/<https://codereview.appspot.com/6782072/>