-
Nick Craig-Wood authored
An ARM version of md5block.go with a big improvement in throughput (up to 2.5x) and a reduction in object size (21%). Code size Before 3100 bytes After 2424 bytes 21% smaller Benchmarks on Rasperry Pi benchmark old ns/op new ns/op delta BenchmarkHash8Bytes 11703 6636 -43.30% BenchmarkHash1K 38057 21881 -42.50% BenchmarkHash8K 208131 142735 -31.42% BenchmarkHash8BytesUnaligned 11457 6570 -42.66% BenchmarkHash1KUnaligned 69334 26841 -61.29% BenchmarkHash8KUnaligned 455120 182223 -59.96% benchmark old MB/s new MB/s speedup BenchmarkHash8Bytes 0.68 1.21 1.78x BenchmarkHash1K 26.91 46.80 1.74x BenchmarkHash8K 39.36 57.39 1.46x BenchmarkHash8BytesUnaligned 0.70 1.22 1.74x BenchmarkHash1KUnaligned 14.77 38.15 2.58x BenchmarkHash8KUnaligned 18.00 44.96 2.50x benchmark old allocs new allocs delta BenchmarkHash8Bytes 1 0 -100.00% BenchmarkHash1K 2 0 -100.00% BenchmarkHash8K 2 0 -100.00% BenchmarkHash8BytesUnaligned 1 0 -100.00% BenchmarkHash1KUnaligned 2 0 -100.00% BenchmarkHash8KUnaligned 2 0 -100.00% benchmark old bytes new bytes delta BenchmarkHash8Bytes 64 0 -100.00% BenchmarkHash1K 128 0 -100.00% BenchmarkHash8K 128 0 -100.00% BenchmarkHash8BytesUnaligned 64 0 -100.00% BenchmarkHash1KUnaligned 128 0 -100.00% BenchmarkHash8KUnaligned 128 0 -100.00% This also adds another test which makes sure that the sums over larger blocks work properly. I wrote this test when I was worried about memory corruption. R=golang-dev, dave, bradfitz, rsc, ajstarks CC=golang-dev, minux.ma, remyoudompheng https://golang.org/cl/11648043
085159da
