Mar 31, 2026 KV cache VRAM calculation GPU memoryKV Cache Memory Math: Calculating Exactly How Much VRAM You NeedThe exact formula for KV cache memory and worked examples for every major model architecture. Calculate your GPU requirements precisely.
Mar 31, 2026 MQA GQA multi-query attentionMulti-Query Attention and Grouped-Query Attention: Reducing KV Cache by 8× at the Architecture LevelStandard multi-head attention uses separate K and V for each head. MQA and GQA share them — reducing KV cache dramatically with minimal quality loss.