mirror of https://github.com/golang/go.git
This change adds a better implementation of IndexByte for ppc64x. Improvement for bytes·IndexByte: benchmark old ns/op new ns/op delta BenchmarkIndexByte/10-16 12.5 8.48 -32.16% BenchmarkIndexByte/32-16 34.4 9.85 -71.37% BenchmarkIndexByte/4K-16 3089 217 -92.98% BenchmarkIndexByte/4M-16 3154810 207051 -93.44% BenchmarkIndexByte/64M-16 50564811 5579093 -88.97% benchmark old MB/s new MB/s speedup BenchmarkIndexByte/10-16 800.41 1179.64 1.47x BenchmarkIndexByte/32-16 930.60 3249.10 3.49x BenchmarkIndexByte/4K-16 1325.71 18832.53 14.21x BenchmarkIndexByte/4M-16 1329.49 20257.29 15.24x BenchmarkIndexByte/64M-16 1327.19 12028.63 9.06x Improvement for strings·IndexByte: benchmark old ns/op new ns/op delta BenchmarkIndexByte-16 25.9 7.69 -70.31% Fixes #19030 Change-Id: Ifb82bbb3d643ec44b98eaa2d08a07f47e5c2fd11 Reviewed-on: https://go-review.googlesource.com/37670 Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com> |
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