Nunchux AI Introduces VC-Attention: A Training-Free Low-Bit Attention Kernel That Speeds Up Video Diffusion Transformers
Nunchux AI released VC-Attention, a training-free low-bit attention kernel for video Diffusion Transformers that delivers up to 3.58x attention speedup and 1.70x end-to-end speedup on the RTX 5090 at 4-bit precision. The…