dav1d 0.3.0 released

The Alliance for Open Media developed the AV1 patent-free video codec and sponsors the development of dav1d, a reference optimized decoder for AV1. The 0.3.0 release of dav1d is now available. "This third release continues to increase the ARM and SSSE3 speed, with more optimizations, as announced, and we get between 12 and 25% speed increases on those CPUs, depending on the samples. However, more surprisingly, we got a speedup on AVX-2 CPU, by optimizing the MSAC (entropy decoding), while we did not find a good solution in the past. This brings 4-5% speed improvements, which is quite huge, knowing the maturity of the AVX-2 code."

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