Bringing down my ZSH load times from ~3.1s to ~230ms

Software Development, Performance Engineering, Developer Tools & Environments(iam.mt)view on HackerNews

zshprofilingperformance optimizationcondanvmfnmlazy loadingcompletion systemfpathcompinitzcompdump

Author: speckx

Date: 6/17/2026

Article Summary:

The author optimizes their ZSH load times from 3.1s to 230ms by profiling and fixing performance bottlenecks, including eager loading conda and nvm, and optimizing the completion system.