On 2011-12-17 01:45:29 +0000, Mans Rullgard wrote: > From: "Ronald S. Bultje" <[email protected]> > > When turned on, H264/CAVLC gets ~15% (CVPCMNL1_SVA_C.264) slower for > ultra-high-bitrate files, or ~2.5% (CVFI1_SVA_C.264) for lower-bitrate > files. Other codecs are affected to a lesser extent because they are > less optimized; e.g., VC-1 slows down by less than 1% (all on x86). > The patch generated 3 extra instructions (cmp, cmovae and mov) per > call to get_bits(). > > Based on work (for GCI) by Aneesh Dogra <[email protected]>, and > inspired by patch in Chromium by Chris Evans <[email protected]>. > --- > Now with safe reader enabled by default and plus8 instead of plus1 > as discussed. > > Are the comments above still accurate? We've been through a few > revisions of this...
performance stats are still accurate, extra instructions on x86_64 verified at one place. Please add a sentence with your ARM numbers. Patch itself is ok. Janne _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
