Ryan Yang

Prototype done! Thanks for all the pointers! not pretty, but it does generate all the pyc files! (in our case, we use python310) ``` def maybe_precompile(ctx, srcs): """Computes all the...

> leave out the "magic tag" altogether, ... worst case you ... it just rejects and ignores the .pyc > From what I'm reading, the foo..pyc is only read from...

ah I see, python will only import the pyc in the same directory as the py file *if and only if* the original py file doesn't exist. For the consumer...

> UNCHECKED_HASH should see a speedup regardless of whether the .py sources are present. hm... maybe my testing methodology is wrong or perhaps I'm missing something? Using the site-packages for...

 😅 I was under the impression that py + pyc in the same directory would not result in speedups https://peps.python.org/pep-3147/

I think we have the following paths: - pyc + py --> we'd need to use the magic tag + pycache directory - pyc only --> no need for magic...

Assuming we want to solve for the use case of - pyc only ( will need to document caveats for multi python version build environments) - pyc + py (default...

I don't have a reliable repro; it just periodically happens when running large amounts of tests. we're in the process of upgrading to bazel 7, but still need to upgrade...

no dynamic execution (this is with a local execution with remote cache)

adding some details here: We've seen this same error in the following situations: 1. System Mem is close to OOM 2. System Mem is only at 50% usage Originally I...