ElevenLabs 工程师解析如何缓解 AI 推理算力短缺
ElevenLabs 研究工程师 Angelos Perivolaropoulos 介绍了如何通过标准工程优化,将语音推理的单 GPU 服务能力从 1 名用户提升至 70 名,架构级改造则可达到约 140 名。连续批处理、FP8 量化、多 token 预测和经蒸馏适配的 FP8 KV cache 是主要手段,其中 KV cache 缩小 2.5x 后,吞吐量从 28 名用户增至 70 名。各项技术会引入延迟、内存上限或质量损失,实际选择取决于具体工作负载。
of the more copied ideas after DeepSeek-R1. Qwen swaps standard quadratic attention for a linear network on every other layer, cheaper and longer-context, at some cost to quality. NVIDIA goes furthest, replacing the transformer on a fraction of its layers with state-space models that scale linearly and compute faster, keeping enough transformer layers to hold accuracy up. With architecture-level changes like these, the ladder reaches roughly a hundred and forty users per GPU. Nothing here is fre
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