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Improving performance of rav1d video decoder

(ohadravid.github.io)
305 points todsacerdoti | 4 comments | 22 May 25 11:59 UTC | HN request time: 0.001s | source
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renewiltord ◴[22 May 25 15:11 UTC] No.44062877[source]▶
Oh this stuff is what’s prompting the ffmpeg Twitter account to make a stand against Rust https://x.com/ffmpeg/status/1924137645988356437?s=46
replies(3): >>44062997 #>>44063150 #>>44071382 #
1. ZeroGravitas ◴[23 May 25 09:46 UTC] No.44071382[source]▶
I generally trust rbultje to benchmark correctly but the ravid tracking ticket has multithread numbers across multiple platforms that don't show that big a difference.

https://github.com/memorysafety/rav1d/issues/1294

Is that explained in replies? I only see the original tweet as I'm not logged in.

replies(3): >>44073313 #>>44076551 #>>44081825 #
2. renewiltord ◴[23 May 25 14:37 UTC] No.44073313[source]▶
No. The replies are just language war stuff.
3. viraptor ◴[23 May 25 20:59 UTC] No.44076551[source]▶
Change it to xcancel for access. https://xcancel.com/ffmpeg/status/1924137645988356437?s=46
4. ycomb_anon ◴[24 May 25 15:44 UTC] No.44081825[source]▶
Contributor dav1d reported that rav1d was lagging

https://code.videolan.org/videolan/dav1d/-/merge_requests/17...