MAC-Attention: a Match-Amend-Complete Scheme for Fast and Accurate Attention Computation

Jinghan Yao, Sam Adé Jacobs, Walid Krichene +2

Long-context decoding in LLMs is IO-bound: each token re-reads an ever-growing KV cache. Prior accelerations cut bytes via compression, which lowers fidelity, or selection/eviction…