Profiling web-edit with Python 3.15: flame graphs and source heatmaps

Summary by Cyber Security News12 Oct 2026, 18:58 CET

About this summary. This is a short excerpt from the description that Simon Willison published with its article. Cyber Security News did not report or verify the underlying story. Read the original: https://simonwillison.net/2026/Oct/12/python-3-15-web-edit-profiling/

Research: Profiling web-edit with Python 3.15: flame graphs and source heatmaps I put the new Python 3.15 profiler through its paces by having GPT-6 Astra Extra High in Codex run it against my new web-edit app: I need a Python 3.15 flame graph and heatmap demo of the "web-edit" app from PyPI - research first then make me those demos Here's the resulting example flame graph and heatmap. Tags: profiling, python, codex

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