Google's TurboQuant reduces AI LLM cache memory capacity requirements by at least six times — up to 8x performance boost on Nvidia H100 GPUs, compresses KV caches to 3 bits with no accuracy loss

In benchmarks on Nvidia H100 GPUs, 4-bit TurboQuant delivered up to an eight-times performance increase in computing attention logits compared to unquantized 32-bit keys.