Does pyo3 allow the use case of starting multiple separate interpreters? This would be similar to Python's multiprocessing.
acminor
👍2
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It should be possible with the upcoming improvements in 3.8 and above.
thedrow
on 12 Oct 2019
Specifically would be amazing if it was possible to create multiple separate python interpreters that could be run on different threads in parallel, but which share the same memory space (with the type system used to ensure this is only observable from rust).
reem
on 28 Feb 2020
The complexity with sub-interpreters is that no Python objects should ever be shared between them. The pyO3 API isn't set up to prevent this at the moment, so it's going to take a fair whack of experimentation before we get anything stable in place.
davidhewitt
on 28 Feb 2020
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Most helpful comment
The complexity with sub-interpreters is that no Python objects should ever be shared between them. The pyO3 API isn't set up to prevent this at the moment, so it's going to take a fair whack of experimentation before we get anything stable in place.