Adaptive per-layer choices shrink LLM caches without sacrificing accuracy

KV-Kaizen learns how to combine cache sharing, reduced precision and rank truncation for each layer and input context.

Big Tech
Joao Monteiro · Louis Béthune · Anastasiia Filippova · Sonia Laguna · David Grangier · Marco Cuturi

Apple

Research Digest··2 min read
Monteiro et al.

The authors trained a selector that assigns each transformer layer a cache configuration under a specified memory budget.

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A learned per-layer selector compresses KV caches along depth, precision, and rank axes without eviction, preserving accuracy at high compression.

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