Re: [FFmpeg-devel] [PATCH] lavc/opusdsp: RISC-V F deemphasis

Le torstaina 29. syyskuuta 2022, 22.51.59 EEST r...@remlab.net a écrit : > From: Rémi Denis-Courmont > > This saves almost exactly 25% on SiFive U74. > > deemphasis_c: 11536.2 > deemphasis_rvf: 8654.2 One can get the same result with the C version using -ffast-math. Forget this patch. -- 雷米‧德

Re: [FFmpeg-devel] [PATCH] lavc/opusdsp: RISC-V F deemphasis

Le torstaina 29. syyskuuta 2022, 22.51.59 EEST r...@remlab.net a écrit : > From: Rémi Denis-Courmont > > This saves almost exactly 25% on SiFive U74. > > deemphasis_c: 11536.2 > deemphasis_rvf: 8654.2 So well, if you trust godbolt.org, some better compiler is able to optimise the C version cor