A single cluster processes about 155 trillion tokens per day, and inference optimization is a battle fought over milliseconds. Author丨Zheng Jiamei Editor丨Cen Feng Yesterday, DeepSeek once again open-sourced a major project on GitHub called DeepInfer.This time, no new model was released. What it made available was the inference engine behind DeepSeek-V4.1-Flash, including core technologies such as MoE expert parallelism, asynchronous batch scheduling, custo