winke88

[Feature] VSA with larger block size and GQA support

1

### Motivation Appreciate the amazing work of VSA techniques! It seems that VSA only supports block_size = (64, 64) with hardcode. https://github.com/hao-ai-lab/FastVideo/blob/0aef0e6f6307c6aabeb9774326ec4c2631170a94/csrc/attn/vsa/block_sparse_h100.cu#L11 And the current code does not have a...