On Sat, May 6, 2023 at 8:41 PM Devin Heitmueller < devin.heitmuel...@ltnglobal.com> wrote:
> On Sat, May 6, 2023 at 8:16 AM James Almer <jamr...@gmail.com> wrote: > > Can you bench with the START_TIMER and STOP_TIMER macros in timer.h? > > Also, define CACHED_BITSTREAM_READER in bitpacked_dec.c before including > > git_bits.h and test the actual implementation again, to see if it makes > > any difference. > > Original code: > 671661910 decicycles in bitpacked_dec, 1 runs, 0 skips > 669736380 decicycles in bitpacked_dec, 1 runs, 0 skips > 669370700 decicycles in bitpacked_dec, 1 runs, 0 skips > > Original code with CACHED_BITSTREAM_READER defined > 352599030 decicycles in bitpacked_dec, 1 runs, 0 skips > 336163810 decicycles in bitpacked_dec, 1 runs, 0 skips > 344628350 decicycles in bitpacked_dec, 1 runs, 0 skips > > My proposed versioned: > 257353330 decicycles in bitpacked_dec, 1 runs, 0 skips > 271527000 decicycles in bitpacked_dec, 1 runs, 0 skips > 252701500 decicycles in bitpacked_dec, 1 runs, 0 skips > > Yes, it's show better performance, so LGTM if nobody have plan to optimize the bitstream function. Devin > > -- > Devin Heitmueller, Senior Software Engineer > LTN Global Communications > o: +1 (301) 363-1001 > w: https://ltnglobal.com e: devin.heitmuel...@ltnglobal.com > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
