Block-GTQ performs RoPE-aware greedy bit allocation on KV caches using per-block energy scores, cutting logit MAE 32-80% versus uniform TQ-MSE and lifting long-context task scores substantially at 2-3 bits per dimension.
PM-KVQ: Progressive mixed-precision KV cache quantization for long-CoT LLMs
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KVServe delivers up to 9.13x job completion time speedup and 32.8x time-to-first-token reduction by making KV cache compression service-aware and adaptive in disaggregated LLM serving.
OSCAR achieves near-BF16 accuracy for 2-bit KV cache quantization by using offline spectral covariance-aware rotations aligned with attention, plus a custom deployable INT2 kernel compatible with paged serving.
RateQuant uses per-quantizer distortion calibration and reverse waterfilling from rate-distortion theory to optimally allocate mixed-precision bits across KV cache heads, resolving a failure mode where mismatched distortion models invert allocation order.
citing papers explorer
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RoPE-Aware Bit Allocation for KV-Cache Quantization
Block-GTQ performs RoPE-aware greedy bit allocation on KV caches using per-block energy scores, cutting logit MAE 32-80% versus uniform TQ-MSE and lifting long-context task scores substantially at 2-3 bits per dimension.
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KVServe: Service-Aware KV Cache Compression for Communication-Efficient Disaggregated LLM Serving
KVServe delivers up to 9.13x job completion time speedup and 32.8x time-to-first-token reduction by making KV cache compression service-aware and adaptive in disaggregated LLM serving.
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OSCAR: Offline Spectral Covariance-Aware Rotation for 2-bit KV Cache Quantization
OSCAR achieves near-BF16 accuracy for 2-bit KV cache quantization by using offline spectral covariance-aware rotations aligned with attention, plus a custom deployable INT2 kernel compatible with paged serving.
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RateQuant: Optimal Mixed-Precision KV Cache Quantization via Rate-Distortion Theory
RateQuant uses per-quantizer distortion calibration and reverse waterfilling from rate-distortion theory to optimally allocate mixed-precision bits across KV cache heads, resolving a failure mode where mismatched distortion models invert allocation order.