benchmark-zsh-startup

What problem does it solve?

Benchmark and attribute zsh startup and prompt latency. Use when asked to profile a slow zsh prompt, explain where shell startup time is spent, compare zsh-bench with zprof or xtrace, or decide which zsh plugin, hook, or startup file to optimize first. Also use when the task is to track which zsh features, widgets, completions, or plugin-provided commands are actually being used.

Core Features & Use Cases

• Baseline interactive startup latency across the shell startup path.
• Attribute latency to functions, plugins, hooks, and prompt rendering using zprof and xtrace.
• Separate first-run work from warm runs and provide actionable optimization recommendations for shell startup.

Quick Start

Use zsh-bench to benchmark zsh prompt startup, attribute the time to specific startup steps, and recommend the next changes to test.