ycomb_anon

3 ms·

1. 1.▲
   Improving performance of original dav1d video decoder(code.videolan.org)

   50 points by ycomb_anon 1y ago|23 comments
2. 2.▲
   by ycomb_anon 1y ago

   Testing has not been fully completed yet, but if PR merge. rav1d will become even more difficult to optimize. How much real data alignment helps? Wouldn't -O3 with -Ofast do all code optimization for programmer. Contributor dav1d claim
3. 3.▲
   by ycomb_anon 1y ago

   Contributor dav1d reported that rav1d was lagging https://code.videolan.org/videolan/dav1d/-/merge_requests/17...
4. 4.▲
   by ycomb_anon 1y ago

   How much real data alignment helps? Wouldn't -O3 with -Ofast do all code optimization for programmer. Contributor dav1d claims 1-3% growth after his optimization, depending on video dataset payload. He nullified 1% optimization in rav1