Profiler

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Row number					Tags
1	py-spy Profiler	20,733,651	15,499	2026-05-08	Profiler Debugging Tools Developer Tools	→
	A sampling profiler for Python programs. Written in Rust.
	benfred/github.com/benfred/py-spy /2026-05-08 /20,733,651 downloads/month
2	memray Profiler	11,000,256	15,229	2026-09-14	Profiler Debugging Tools Developer Tools	→
	A memory profiler that tracks allocations in Python code, native extensions, and the interpreter itself.
	bloomberg/github.com/bloomberg/memray /2026-09-14 /11,000,256 downloads/month
3	pyinstrument Profiler	9,569,587	8,007	2026-08-04	Profiler Debugging Tools Developer Tools	→
	A statistical wall-clock profiler with low overhead and readable call-tree output.
	joerick/github.com/joerick/pyinstrument /2026-08-04 /9,569,587 downloads/month
4	scalene Profiler	378,316	13,501	2026-08-27	Profiler Debugging Tools Developer Tools	→
	A high-performance, high-precision CPU, GPU, and memory profiler for Python.
	plasma-umass/github.com/plasma-umass/scalene /2026-08-27 /378,316 downloads/month

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