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Dev tools · March 29, 2026

TurboQuant-MoE:8.5x KV-Cache Compression

8.5x KV-cache compression for LLM inference

What it does

Production KV-cache compression for Mixture-of-Experts language models. LLM inference costs explode because: • KV-cache grows with sequence length (16k tokens = 256MB per token) • MoE models waste GPU storing inactive experts • Memory becomes the bottleneck, not compute 📊 REAL BENCHMARKS (Mixtral 8x7B) • KV Memory: 256MB → 30MB (8.53x smaller) • Quality: 100% preserved (zero degradation) • Speed: 8.48x faster in production • Expert Cache Hit: 96.75% • GPU Memory Saved: 6.42 GB per layer

Does a similar job

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    Hey HN, we’re the developers of OpenLake, an open source storage engine for offloading LLM KV caches from GPU memory into a shared tier of RAM and NVMe. We built OpenLake because KV caches are outgrowing GPU memory. A single 256K token conversation on Gemma 4 31B produces approximately 43GB of KV state, more than half the memory of an 80GB H100. The problem becomes even harder across a cluster: a prefix cached on one GPU host is unavailable when the next request lands on a different GPU, forcing the new GPU to repeat work the fleet has already completed. Once the KV cache is offloaded,…

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