Significantly speed up file handling error paths by hauntsaninja · Pull Request #17920

Significantly speed up file handling error paths by hauntsaninja · Pull Request #17920 · python/mypy

I'm probably measuring wrong, but I think I got a 1.5x speed up on
the following when running compiled:
```
mypy -c 'import torch' --no-incremental
```

changed the title ~~Significantly speed up file handling paths???~~ Significantly speed up file handling paths

Oct 11, 2024

hauntsaninja changed the title ~~Significantly speed up file handling paths~~ Significantly speed up file handling paths (when compiled)

Oct 11, 2024

hauntsaninja changed the title ~~Significantly speed up file handling paths (when compiled)~~ Significantly speed up file handling error paths (when compiled)

Oct 11, 2024

hauntsaninja changed the title ~~Significantly speed up file handling error paths (when compiled)~~ Significantly speed up file handling error paths

Oct 11, 2024

This was referenced

Oct 15, 2024

hauntsaninja added a commit that referenced this pull request

Oct 20, 2024

This can have a huge overall impact on mypy performance when search paths are long