DescriptionReplace random with fastrand
random / rand is slow and impacts performance testing.
Although its only called to clear a frame once, a typical profile shows
it high in the overall profile, when doing 1000 frames for a benchmark.
95.10% libyuv_unittest libyuv_unittest [.] YUY2ToARGBRow_SSSE3
2.01% libyuv_unittest libc-2.19.so [.] __random_r
1.13% libyuv_unittest libc-2.19.so [.] __random
Replace random is a faster version for unittests.
set LIBYUV_WIDTH=1280
set LIBYUV_HEIGHT=720
set LIBYUV_REPEAT=999
set LIBYUV_FLAGS=-1
out\release\libyuv_unittest --gtest_filter=*YUY2ToARGB* | findms
Was
libyuvTest.YUY2ToARGB_Opt (497 ms)
Now
libyuvTest.YUY2ToARGB_Opt (454 ms)
R=harryjin@google.com
BUG=none
Committed: https://chromium.googlesource.com/libyuv/libyuv/+/16f12b58cc8f04b4810b7af31a4009160dd724c0
Patch Set 1 #Patch Set 2 : remove win32 version of random #
Messages
Total messages: 4 (0 generated)
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