From the source
Runway open-sourced AVTensor, a Rust media decoder that demuxes both audio and video streams in a single pass to ensure synchronization, improving training MFU by 1.8 percentage points.
From the source
From the source

Runway open-sourced AVTensor, a Rust media decoder that demuxes both audio and video streams in a single pass to ensure synchronization, improving training MFU by 1.8 percentage points.
From the source
Today we're open-sourcing it: AVTensor , a Rust media decoder that demuxes both streams in a single pass and improved our training MFU by 1.8 percentage points.
runway.com