Unverified50% confidenceFactExact time
MQA has all Query heads share the same set of KV, while GQA groups several Query heads together to share one set of KV, serving as a compromise between MHA and MQA.
1
Sources
50%
Confidence
Long-term
Relevance
9/11/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedMQA令所有查询头共享同一组Key-Value以压缩KV Cache76% similarUnverifiedGQA让多个查询头共享同一组键值头，Llama 2 70B 和 Llama 3 系列均采用了 GQA75% similarUnverifiedGQA allows multiple query heads to share the same set of KV heads; LLaMA-3 70B uses 8 KV heads corresponding to 64 query heads, making the KV Cache only 1/8 that of standard MHA.72% similarUnverifiedGQA (Grouped-Query Attention) and MQA (Multi-Query Attention) were the industry's solutions prior to MLA for alleviating the KV cache problem by sharing Key/Value heads.70% similarUnverifiedGQA reduces the size of the KV Cache by having multiple Query heads share the same set of Key-Value heads.70% similar
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