Memory Copy

Xueersi Online School Tech Team

Mar 20, 2020 · Backend Development

Optimizing Data Transfer in Swoole 4.5: Reducing Memory Copies Between Master and Worker Processes

This article analyzes the performance bottleneck in Swoole 4.5 where the master process copies data twice before delivering it to worker processes, explains the underlying C functions and data flow, and presents two code‑level optimizations that consolidate buffers and eliminate redundant copies, resulting in a four‑fold speedup of the onMessage callback.