dav1d 1.1 Released With More AVX-512 Improvements

Written by Michael Larabel in Multimedia on 14 February 2023 at 04:00 PM EST. Add A Comment
Yet another prominent open-source software release for Valentine's Day today is... dav1d v1.1! This leading open-source AV1 video decoder is out with its first major update in nearly one year and comes with more AVX-512 tuning as well as more work on Arm NEON optimizations.

Dav1d v1.1 "Arctic Peregrine Falcon" was released a short time ago for continuing to enhance this speedy CPU-based AV1 video decoder. Most exciting with dav1d v1.1 is having yet more AVX-512 work.

The official release notes for dav1d v1.1 include:
- New function dav1d_get_frame_delay to query the decoder frame delay
- Numerous fixes for strict conformity to the specs and samples
- NEON and AVX-512 misc fixes and improvements
- Partial AVX2 12bpc transform implementations
- AVX-512 high bit-depth cdef_filter, loopfilter, itx
- NEON z1/z3 optimization for 8bpc
- SSSE3 z1 optimization for 8bpc

Dav1d 1.1 can be downloaded from code.videolan.org.

dav1da 1.1

Speaking of dav1d and AVX-512, in case you missed it from a few days ago, some related reading/watching: FFmpeg Is Ripe For More AVX-512 Optimizations.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.

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