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paperarXivTrust 82 · PrimaryPublished 1mo agoLive · 1mo ago

FreqDepthKV: Frequency-Guided Depth Sharing for Robust KV Cache Compression in Long-Context LLM Inference

Long-context LLM inference is increasingly limited by the memory and bandwidth cost of KV caches, yet aggressive compression can remove the layer-specific evidence needed for retrieval and multi-step reasoning. We introduce FreqDepthKV, an inference-time cache compression method that factorizes adjacent-layer KV states into shared low-frequency depth components and sparse high-frequency residuals. A lightweight online probe assigns attention heads to shared-depth, residual-depth, or exact cache modes according to their contribution to reconstruction-sensitive attention logits, allowing the com

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  • PossiblePossibly related (embedding) · 61%pythongiant/KVBoost
  • PossiblePossibly related (embedding) · 60%xcena-dev/maru
  • PossiblePossibly related (embedding) · 59%luziyao1995/vllm
  • PossiblePossibly related (embedding) · 57%Breakthrough in long-context efficiency announced
  • PossiblePossibly related (embedding) · 26%vllm-project/vllm

    Possibly related via embedding similarity 0.56 (not asserted). Timestamp check: artifact slightly before paper (-5d).

  • PossiblePossibly related (embedding) · 26%LMCache/LMCache

    Possibly related via embedding similarity 0.56 (not asserted). Timestamp check: artifact slightly before paper (-5d).

  • LinkedLinked via arxiv author · 85%Anna Cordoba

    FreqDepthKV: Frequency-Guided Depth Sharing for Robust KV Cache Compression in Long-Context LLM Inference

  • LinkedLinked via arxiv author · 85%Adam Puente Tercero

    FreqDepthKV: Frequency-Guided Depth Sharing for Robust KV Cache Compression in Long-Context LLM Inference

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