skip kv cache allocation for kv-shared layers - #1012
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RaviTriv
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September 4, 2026 02:36
jan-wassenberg
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Nice one, makes sense.
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Gemma4 has cross layer attention :). PR to reduce some memory allocation by skipping layers which will not need KV Cache allocated. Reducing allocation by 20 layers for Gemma4-2B , about 57% of KV cache