go /
image /
c62001d39ba355ad24588ecae27cfce07399a74a draw: optimize Kernel.Transform.
benchmark old ns/op new ns/op delta
BenchmarkTformCRSrcGray 6111610 5344117 -12.56%
BenchmarkTformCRSrcNRGBA 62070281 59295178 -4.47%
BenchmarkTformCRSrcRGBA 13840290 10612547 -23.32%
BenchmarkTformCRSrcUniform 591637 587621 -0.68%
BenchmarkTformCRSrcYCbCr 72219184 69404747 -3.90%
As of current origin/master, Gray and RGBA have fast paths but the other src
image types do not. They have more fat, so the relative improvement is smaller.
Change-Id: Ibbae91cd3cb3c139efb1dcc8fda1cb6432505189
Reviewed-on: https://go-review.googlesource.com/7794
Reviewed-by: Rob Pike <r@golang.org>
2 files changed
