SlideSparse: Fast and Flexible (2N-2):2N Structured Sparsity

Hanyong Shao, Yingbo Hao, Ting Song +10

NVIDIA's 2:4 Sparse Tensor Cores deliver 2x throughput but demand strict 50% pruning -- a ratio that collapses LLM reasoning accuracy (Qwen3: 54% to 15%). Milder $(2N-2):2N$ patter…