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Simon Willison·· 2026-10-13

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

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

AI summary

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 .

Selection record

Not admittedSum of both 44 < twice the threshold 152

Source tier
Media and individuals; this tier's threshold is 76
Pre-filter
passed:用GPT-6 Codex分析Python性能,属AI开发工具用法

A model scores each item twice, independently, against one written standard, out of 100. An item is admitted only when the two scores add up to twice the threshold. The threshold is set per source tier.

Source: Simon Willison · simonwillison.net