TLDR Web Dev · MISCELLANEOUS

OPTIMIZATION ADVENTURES: MAKING A PARALLEL RUST WORKLOAD 10X FASTER WITH (OR WITHOUT) RAYON

gendignoux.com29 min read

Summary from the TLDR Web Dev newsletter

This blog post details an optimization journey to improve a parallel Rust workload's speed tenfold. Initially, using the Rayon library only yielded a 2x speedup, prompting a deeper investigation using profiling tools like `strace` and `perf`. The author identified excessive system calls and cache misses as bottlenecks, leading him to create a custom parallel implementation tailored to his specific use case.