relink.py: Improve efficiency #12
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os.scandir() caches stat information during directory traversal, so this reduces system calls. Results in a speedup of about 84% on Derecho, from ~230 seconds to ~37 (n=1 of each).
Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #12 +/- ##
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Coverage ? 99.23%
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Files ? 10
Lines ? 780
Branches ? 0
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Hits ? 774
Misses ? 6
Partials ? 0 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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jedwards4b
approved these changes
Jan 15, 2026
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relink.py: Useos.scandir()instead ofos.walk().os.scandir()caches stat information during directory traversal, so this reduces system calls. Results in a speedup of about 84% on Derecho, from ~230 seconds to ~37 (n=1 of each).