Author

Shaswata Bhattacharya

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Preprint Aug 2026

QEvict: Recoverable Quantized KV Eviction for Attention-Drift-Robust Long-Context Decoding

QEvict is proposed, a three-tier KV-cache management scheme that replaces binary retain-or-delete eviction with recoverable eviction, and maintains high-confidence windows in full precision, stores intermediate windows in a quantized recoverable tier, and deletes only the lowest-confidence windows.

Ayushman Garg, Akshita Gupta, Shaswata Bhattacharya et al. · 1 citation