PromptVault
CodingFreeBeginner

Benchmark harness with setup kept out of timing

For developers needing a runnable microbenchmark around the function open in their editor.

Works with
  • Codex
  • GitHub Copilot
The prompt55 words · 2 blanks

Produce one runnable [benchmark_tool] benchmark file for the currently selected function, under

The full prompt is in the app

Free — no subscription needed. Fill in the blanks there, then copy it into GitHub Copilot.

What you fill in

  • Benchmark tool[benchmark_tool]ExampleGo testing.B
  • Maximum file length[line_limit]Example80

How to use it

  1. 1Open it in PromptVault. Find it in Coding, or search for “Benchmark harness with setup kept out of timing”.
  2. 2Fill in the 2 blanks. benchmark tool and maximum file length — the only things the prompt cannot know.
  3. 3Copy and paste it into GitHub Copilot. It also works with Codex.

About this prompt

Benchmark harness with setup kept out of timing” is a beginner coding prompt. For developers needing a runnable microbenchmark around the function open in their editor. It is 55 words long and written to get a usable answer on the first message, in Codex and GitHub Copilot or any other chat assistant. Good for: performance, testing, automation and first draft. Like every prompt in PromptVault, it was written and edited in-house, and it works offline once the app is installed.