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Hash : 6e35e421
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Date : 2018-10-01T14:43:03
Working on bug 3921 - Add some Fastpath to BlitNtoNKey and BlitNtoNKeyCopyAlpha Sylvain I did various benches. with clang 6.0.0 on linux, and ndk-r16b on android (NDK_TOOLCHAIN_VERSION=clang). - still see a x10 speed factor. - with duff_loops, it does not use vectorisation (but doesn't seem to be a problem). on linux my patch is already at full speed on -O2, whereas the duff_loops need -O3 (200 ms at -03, and 300ms at -02). I realized that on Android, I had a slight variation which fits best. both on linux with -O2 and -O3, and on android with 02/03 and armeabi-v7a/arm64. Here's the patch.
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Files
- SDL.c
- SDL_assert.c
- SDL_assert_c.h
- SDL_dataqueue.c
- SDL_dataqueue.h
- SDL_error.c
- SDL_error_c.h
- SDL_hints.c
- SDL_internal.h
- SDL_log.c
- atomic/
- audio/
- core/
- cpuinfo/
- dynapi/
- events/
- file/
- filesystem/
- haptic/
- hidapi/
- joystick/
- libm/
- loadso/
- main/
- power/
- render/
- sensor/
- stdlib/
- test/
- thread/
- timer/
- video/
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Git HTTP https://git.kmx.io/kc3-lang/SDL.git Git SSH git@git.kmx.io:kc3-lang/SDL.git Public access ? public Description Users
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