Shared-Prefix KV Reuse Across Standard LoRA Adapters: Quality and Serving Tradeoffs
cs.AI, cs.CL
Submitted: 2026-09-15
Updated: 2026-09-15
Code: https://github.com/AltSlate-Labs/routekv
License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Terminology
Sources
- LoRA: Low-Rank Adaptation of Large Language Models
- Qwen3 Technical Report
- Training Verifiers to Solve Math Word Problems
- Cross-Model KV Cache Transfer in LLM Families: A Closed-Form Linear Mapping for Prefill Reuse
- CacheBridge: Efficient Cross-Model KV Cache Transfer
- Activated LoRA: Fine-tuned LLMs for Intrinsics
- Efficient Multi-Adapter LLM Serving via Cross-Model KV-Cache Reuse with Activated LoRA
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