Tag: Branch: Tree: 99ab0a13dc

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Branches Tags

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Commit Graph

5 Commits (99ab0a13dc231b92dcd207f58a1101fe5f11d663)

Author	SHA1	Message	Date
Ivan Kalvachev	43dab86bcd	opus_pvq_search: Restore the proper use of conditional define and simplify the function name suffix handling. ... Using named define properly documents the code paths. It also avoids passing additional numbered arguments through multiple levels of macro templates. The suffix handling is done by concatenation, like in other asm functions and avoid having two separate "cglobal" defines. Signed-off-by: Ivan Kalvachev <ikalvachev@gmail.com>	7 years ago
Rostislav Pehlivanov	3c99523a28	opus_pvq_search: split functions into exactness and only use the exact if its faster ... This splits the asm function into exact and non-exact version. The exact version is as fast or faster on newer CPUs (which EXTERNAL_AVX_FAST describes well) whilst the non-exact version is faster than the exact on older CPUs. Also fixes yasm compilation which doesn't accept !cpuflags(avx) syntax. Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>	7 years ago
Rostislav Pehlivanov	f386dd70ac	opus_pvq_search: only use rsqrtps approximation on CPUs with avx ... Makes the search produce idential results with the C version. Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>	7 years ago
Rostislav Pehlivanov	8e53cd1fab	ops_pvq_search: remove dead macro ... There's no point in toggling it, even for debugging. Its just worse. Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>	7 years ago
Ivan Kalvachev	7205513f8f	SIMD opus pvq_search implementation ... Explanation on the workings and methods used by the Pyramid Vector Quantization Search function could be found in the following Work-In-Progress mail threads: http://ffmpeg.org/pipermail/ffmpeg-devel/2017-June/212146.html http://ffmpeg.org/pipermail/ffmpeg-devel/2017-June/212816.html http://ffmpeg.org/pipermail/ffmpeg-devel/2017-July/213030.html http://ffmpeg.org/pipermail/ffmpeg-devel/2017-July/213436.html Signed-off-by: Ivan Kalvachev <ikalvachev@gmail.com>	7 years ago