KVReviver: Reversible KV Cache Compression with Sketch-Based Token Reconstruction

arXiv — cs.CLTuesday, December 23, 2025 at 5:00:00 AM
  • A new method called KVReviver has been introduced to address the increasing memory demands of Key-Value (KV) caches in large language models (LLMs). This reversible cache compression technique utilizes a sketch algorithm to reconstruct compressed tokens, mitigating the issue of Contextual Amnesia that arises from traditional compression methods.
  • The implementation of KVReviver is significant as it allows LLMs to maintain high inference accuracy while drastically reducing memory usage, requiring only 10% of the KV cache budget for 2k-length contexts.
  • This development highlights a growing trend in AI research focused on optimizing resource efficiency in LLMs, as seen in other innovations like Adaptive Focus Memory and Efficient Adaptive Rejection Sampling, which aim to enhance performance while managing computational constraints.
— via World Pulse Now AI Editorial System

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