As seen on reddit, the Alliance for Open Media - AOM has released
SVT-AV1 v. 2.3.0
The Scalable Video Technology for AV1 (SVT-AV1 Encoder) is an
AV1-compliant software encoder library.
*
NEW FAST DECODE MODE
*
New fast-decode (2) to allow for an average AV1 software cycle
reduction of 25-50% vs fast-decode 0 with a 1-3% BD-Rate loss across
the presets
*
Improved fast-decode (1) option to increase its AV1 software cycle
reduction by ~10% while maintaining the same quality levels
*
Improved --lp settings for high resolutions, with CRF gaining a ~4%
improvement in speed and VBR gaining ~15%
*
Further Arm-based optimizations improving the efficiency of
previously written Arm-neon implementations by an average of 30%
*
Address speed regressions for high resolutions first pass encode by
tuning the threading parameters, with 1080p showing the biggest gains
*
Enabled AVX512 by default in cmake allowing for ~2-4% speedup
*
...and more
https://gitlab.com/AOMediaCodec/SVT-AV1/-/releases/v2.3.0#230---2024-10-28
https://gitlab.com/AOMediaCodec/SVT-AV1/-/blob/master/README.md?ref_type=heads
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