bench

Measure wall-clock execution time of Bash commands with sub-second precision.

2|Updated Oct 17, 2024
One-click install
npx skills add https://github.com/vadirn/nix --skill bench-vadirn
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: bench
Source: https://github.com/vadirn/nix/tree/main/home/agents/skills/bench
Command: npx skills add https://github.com/vadirn/nix --skill bench-vadirn

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

It helps developers and testers accurately measure the elapsed time for code execution, facilitating performance benchmarking.

Core Features & Use Cases

  • Performance Measurement: Timewall-clock durations of specific code segments or tasks within Bash scripts.
  • Use Case: When optimizing a script, quickly determine how long a particular command or process takes to help identify bottlenecks.
  • Technical Scope: Implements precise timing via date +%s.%N and computes the elapsed time using bc, suitable for high-resolution benchmarking.

Quick Start

Use the bench skill to measure how long a script takes to execute a data processing task.

Frequently Asked Questions about bench

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I measure code execution time in a Bash script?▼

Measure code execution time in a Bash script by tracking wall-clock durations using standard Unix utilities. This approach calculates elapsed time with sub-second resolution to help identify performance bottlenecks in automation workflows.

What is the best way to benchmark performance in shell scripting?▼

The best way to benchmark performance in shell scripting is using standard Unix commands to capture precise wall-clock timing. This method provides high-resolution measurement suitable for optimization and performance testing workflows.

How do I get high-resolution timing for a Bash command?▼

High-resolution timing for a Bash command is achieved by capturing timestamps with sub-second resolution using `date +%s.%N` and computing the difference with `bc`. This ensures precise elapsed time measurement for benchmarking.

Do I need any external dependencies to measure wall-clock time in Bash?▼

No external dependencies are needed to measure wall-clock time in Bash. The measurement relies entirely on standard Unix utilities like `date` and `bc`, which are typically pre-installed in most Unix-like environments.

When should I use Bash timing for performance measurement?▼

Use Bash timing for performance measurement when optimizing scripts or automating tasks to quickly determine how long a command takes. It is applicable for identifying bottlenecks within specific code segments or data processing tasks.