On Tue, Mar 26, 2024 at 6:07 PM Antoine Soulier <[email protected]> wrote:
> What do you mean by sub-optimal? > It's stacked by prime factors, and unrolled for FFT3 and FF5. > The butterfly implementations of FFT3 and FF5, gives me slightly slower > computation. FFT5 is done first, so it takes advantage of sin()/cos() > values of 0 or 1. > There are also no reordering steps (this stage is completely removed), but > cannot run in-place. > Benchmarks I made show that it runs slightly faster. > Compared with what? Where is at least x86 SIMD for that MDCT? > > On Tue, Mar 26, 2024 at 9:59 AM Paul B Mahol <[email protected]> wrote: > >> >> Isn't this using sub-optimal MDCT implementation? >> > _______________________________________________ ffmpeg-devel mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
