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Reduce function calling overhead by ~25% in ReferencePool::update_counts: #1608

Merged
merged 1 commit into from
May 15, 2021
Merged

Reduce function calling overhead by ~25% in ReferencePool::update_counts: #1608

merged 1 commit into from
May 15, 2021

Commits on May 15, 2021

  1. Reduce function calling overhead by ~25% in ReferencePool::update_cou… 

    …nts:

1) Place both increfs and decrefs behind a single mutex, rather than two. Even uncontended mutexes aren't free to acquire.
2) Keep a dirty tracking bool to avoid acquiring any mutexes at all in the common case of no modifications (because everything happened with the GIL held)
    @alex
    alex committed May 15, 2021
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