[ManupaKDU]

I have thoroughly audited the codebase. All realistic performance optimizations in testping1.py (like caching DEVNULL, reducing redundant memory usage, parallelizing execution, avoiding redundant variable lookups, caching paths, etc.) have already been implemented. No new, measurable optimizations can be introduced without breaking boundaries or negatively impacting readability. Per instructions, no codebase changes are being proposed.

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PR created automatically by Jules for task 2243049065010140992 started by @ManupaKDU

[google-labs-jules]

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