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| author | Loren Merritt <lorenm@u.washington.edu> | 2013-06-18 21:30:43 +0000 |
|---|---|---|
| committer | Luca Barbato <lu_zero@gentoo.org> | 2013-06-29 13:23:57 +0200 |
| commit | b545179fdff1ccfbbb9d422e4e9720cb6c6d9191 (patch) | |
| tree | 0476bc87fd03fd512c49103a36ff05681a000e00 /libavutil/x86/lls_init.c | |
| parent | 502ab21af0ca68f76d6112722c46d2f35c004053 (diff) | |
| download | ffmpeg-b545179fdff1ccfbbb9d422e4e9720cb6c6d9191.tar.gz | |
x86: lpc: simd av_evaluate_lls
1.5x-1.8x faster on sandybridge
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Diffstat (limited to 'libavutil/x86/lls_init.c')
| -rw-r--r-- | libavutil/x86/lls_init.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavutil/x86/lls_init.c b/libavutil/x86/lls_init.c index 8a80f83002..888bc54a39 100644 --- a/libavutil/x86/lls_init.c +++ b/libavutil/x86/lls_init.c @@ -25,12 +25,15 @@ void ff_update_lls_sse2(LLSModel *m, double *var); void ff_update_lls_avx(LLSModel *m, double *var); +double ff_evaluate_lls_sse2(LLSModel *m, double *var, int order); av_cold void ff_init_lls_x86(LLSModel *m) { int cpu_flags = av_get_cpu_flags(); if (EXTERNAL_SSE2(cpu_flags)) { m->update_lls = ff_update_lls_sse2; + if (m->indep_count >= 4) + m->evaluate_lls = ff_evaluate_lls_sse2; } if (EXTERNAL_AVX(cpu_flags)) { m->update_lls = ff_update_lls_avx; |