The development team behind the Rust-based AV1 video decoder, rav1d, is seeking developers to enhance its performance to match the C-based dav1d decoder. Since March 2023, they've made great strides, achieving functionality similar to dav1d. However, as of September 2024, rav1d is approximately 5% slower, which, while minor, poses a significant barrier to its adoption. Despite ongoing optimization efforts and collaboration with specialists, the team candidly expresses uncertainty about overcoming this performance gap, highlighting the ongoing debate regarding speed differences between Rust and C.
The gap of roughly 5% slower than the C-based dav1d might not seem huge, but it's significant enough to deter potential users and adopters.
Despite significant optimization efforts, rav1d's team admits that achieving performance parity with the C version has been a stubborn challenge.
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