Signature cache optimization #880
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I had a single endpoints.py file with all my endpoints in it, but it got to be unmaintainable. The problem is that wiring went from ~1 sec to ~2.5 on my MacBook Pro M2! No logic changed.
I dug in and it seems that the _fetch_reference_injections doesn't do any caching and this is an expensive operation. I'm a bit unclear why it would be scanning things multiple times though? I added some caching and this bumped by performance back to do pre-file split speeds.
I'll admit I used Claude to help me do this as I'm not super up to speed on the codebase nor the ins and outs of the inspect module, but the overall change makes sense to me.
Thoughts?