Raylight Adds Sequence Parallel for MiniMax H3, Halving Generation Time on RTX 2000 ADA
Altruistic_Heat_9531 · reddit · 2026-08-03
The open-source tool Raylight announced support for sequence parallel inference for the MiniMax H3 model. Thanks to H3's single-stream Transformer architecture, porting the model has become significantly easier.
On a single RTX 2000 Ada graphics card (comparable to an RTX 4060), the time to generate a 5-second 864x480 video with audio was reduced from 65 seconds to 35 seconds. The update also introduces distributed VAE, INT8 ConvRot FSDP, and other critical memory and inference optimizations.
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