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Performance
zsh-abbr adds roughly 8ms + <=0.4ms/abbreviation to first prompt lag, 12ms + <=0.4ms/abbreviation to first command lag, and 6ms + 0.3ms/abbreviation to exit time.
Explanations of the measures are at https://github.com/romkatv/zsh-bench#what-it-measures.
Raw single-run data is available at https://oletsdev.notion.site/12fc6fd61c5780359e3bfb68c66cf774.
The performance suite uses zsh-bench. Run the performance suite with
shell
zsh-bench --isolation docker --config-dir ./performance -- not-installed fresh-install zero-abbreviations ten-abbreviations one-hundred-abbreviations