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Comment by ngshiheng | Hacker News Reader

Interesting. In my case, according to `zprof`, 80% of my startup time came from nvm_auto from nvm (node version manager)

Add this to your zshrc

  # This lazy loads nvm
  nvm() {
    unset -f nvm
    [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" --no-use # This loads nvm
    nvm $@
  }

Now, nvm only loads when it is explicitly called instead of loading in every shell. In my case, it made a very visible speed difference.

Yeah, nvm is notoriously slow. Volta[1] is much faster.

I switched from nvm to fnm for this (and other) reasons a couple years ago. Huge improvement on all fronts.