JIT: Use pthread_jit_write_protect_np on macOS
Abierto
@diegorusso ya está trabajando en esto.
Desde el 30/10/2024.
OS-mac
performance
topic-JIT
type-feature
- Lenguaje dominante
- Python
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- 77.2k
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Descripción
Feature or enhancement
Proposal:
The proposal is an internal implementation of the JIT and it transparent to the user.
Has this already been discussed elsewhere?
I have already discussed this feature proposal on Discourse
Links to previous discussion of this feature:
Not on Discourse, I've had extensive discussion about this with @brandtbucher and created a prototype that we benchmarked using the faster-cpython infrastructure. The full results are here: https://github.com/faster-cpython/benchmarking-public/tree/main/results/bm-20241018-3.14.0a1+-f74cd79-JIT
On macOS on Apple Silicon there is an overall 1.4% speed improvement by replacing the mprotect with pthread_jit_write_protect_np.
Linked PRs
- gh-126196
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