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Dav1d 1.0 AV1 Decoder Released With Improved Threading, AVX-512 Support

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  • Dav1d 1.0 AV1 Decoder Released With Improved Threading, AVX-512 Support

    Phoronix: Dav1d 1.0 AV1 Decoder Released With Improved Threading, AVX-512 Support

    The much anticipated dav1d 1.0 open-source AV1 video decoder has been released! Dav1d 1.0 is a big update to this leading CPU-based AV1 decoder that now offers AVX-512 support for newer Intel CPUs, threading enhancements, and more...

    https://www.phoronix.com/scan.php?pa...d-1.0-Released

  • #2
    now offers AVX-512 support for newer Intel CPUs
    That's actually older Intel CPUs. I believe only Rocket/Tiger Lake supports it.

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    • #3
      Will you upload benchmarks for this Michael?

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      • #4
        Originally posted by bug77 View Post

        That's actually older Intel CPUs. I believe only Rocket/Tiger Lake supports it.
        Yeah https://en.wikipedia.org/wiki/AVX-512#CPUs_with_AVX-512 AVX-512 is a complete mess. It doesn't seem worth the die space to include it in a CPU design or the performance hit to use it if your CPU has it.

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        • #5
          So when will VLC support it or update to it?

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          • #6
            Originally posted by Danny3 View Post
            So when will VLC support it or update to it?
            probably a long time, as vlc was updated only recently after many months which included v0.91 if i recall.

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            • #7
              Originally posted by hajj_3 View Post

              probably a long time, as vlc was updated only recently after many months which included v0.91 if i recall.
              That's a shame!
              I tried recently to play a 4K HDR AV1 file on my laptop and on my desktop and I couldn't, the video was too laggy.
              Maybe after VLC manages to update it up to this version, I will be finally able to play it normally, at least on the desktop.

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              • #8
                Originally posted by Danny3 View Post

                That's a shame!
                I tried recently to play a 4K HDR AV1 file on my laptop and on my desktop and I couldn't, the video was too laggy.
                Maybe after VLC manages to update it up to this version, I will be finally able to play it normally, at least on the desktop.
                should try and use MPV, it's quite good.

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                • #9
                  Originally posted by Danny3 View Post

                  That's a shame!
                  I tried recently to play a 4K HDR AV1 file on my laptop and on my desktop and I couldn't, the video was too laggy.
                  Maybe after VLC manages to update it up to this version, I will be finally able to play it normally, at least on the desktop.
                  the new version of vlc was released 12 days ago, not sure if you used that version or not. P.S 4k AV1 would certainly use a huge amount of cpu, i'm sure you could play 1080p if your laptop/desktop is recent.

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                  • #10
                    Originally posted by Gonk View Post

                    Yeah https://en.wikipedia.org/wiki/AVX-512#CPUs_with_AVX-512 AVX-512 is a complete mess. It doesn't seem worth the die space to include it in a CPU design or the performance hit to use it if your CPU has it.
                    It doesn't worth the die space on a desktop CPU. I'm sure plenty of workstations could put AVX-512 to god use, though.

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