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FFmpeg/libavutil/x86

History

Lynne 27cffd16aa x86/tx_float: replace fft_sr_avx with fft_sr_fma3 ... When the SLOW_GATHER flag was added to the AVX2 version, this made FMA3-features not enabled on Zen CPUs. As FMA3 adds 6-7% across all platforms that support it, in the interest of saving space, this commit removes the AVX version and replaces it with an FMA3 version. The only CPUs affected are Sandy Bridge and Bulldozer, which have AVX support, but no FMA3 support. In the future, if there's a demand for it, a version of the function duplicated for AVX can be added.		3 years ago
..
Makefile	x86/tx_float: do not build tx_float_init.c if x86 assembly is disabled	3 years ago
asm.h	asm: FF_-prefix internal macros used in inline assembly	9 years ago
bswap.h	libavutil: x86: Include stdlib.h before using _byteswap_ulong	5 years ago
cpu.c	avutil/cpu: add AVX512 Icelake flag	3 years ago
cpu.h	avutil/cpu: add AVX512 Icelake flag	3 years ago
cpuid.asm	libavutil: include assembly with full path from source root	3 years ago
emms.asm	libavutil: include assembly with full path from source root	3 years ago
emms.h	avutil/x86/emms: Don't unnecessarily include lavu/cpu.h	3 years ago
fixed_dsp.asm	libavutil: include assembly with full path from source root	3 years ago
fixed_dsp_init.c	x86/fixed_dsp: add ff_butterflies_fixed_sse2	9 years ago
float_dsp.asm	libavutil: include assembly with full path from source root	3 years ago
float_dsp_init.c	x86/float_dsp: add ff_vector_dmul_{sse2,avx}	6 years ago
imgutils.asm	Merge commit '6be7944ee2ec2f045e6eb9a93237e992c8b20ac4'	8 years ago
imgutils_init.c	Remove unnecessary libavutil/(avutil|common|internal).h inclusions	3 years ago
intmath.h	x86/intmath: add VEX encoded versions of av_clipf() and av_clipd()	3 years ago
intreadwrite.h	…
lls.asm	libavutil: include assembly with full path from source root	3 years ago
lls_init.c	Include attributes.h directly	4 years ago
pixelutils.asm	libavutil: include assembly with full path from source root	3 years ago
pixelutils.h	avutil: add pixelutils API	10 years ago
pixelutils_init.c	x86/pixelutils: don't use the AVX2 functions on CPUs known to be slow with them	6 years ago
timer.h	Merge commit 'd1a6cb195f610978ba5d2351e60f938f7f261d59'	9 years ago
tx_float.asm	x86/tx_float: replace fft_sr_avx with fft_sr_fma3	3 years ago
tx_float_init.c	x86/tx_float: replace fft_sr_avx with fft_sr_fma3	3 years ago
w64xmmtest.h	all: Add missing header guards	9 years ago
x86inc.asm	avutil/cpu: add AVX512 Icelake flag	3 years ago
x86util.asm	avutil/x86util : add macro for loading a 128 bits constants in an xmm or in each part of an ymm in order to simplify avx2 asm func	7 years ago