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Ruby: Implement Write Barriers #11793

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Closed

Ruby: Implement Write Barriers #11793

wants to merge 1 commit into from

Commits on Feb 14, 2023

  1. Ruby: Implement Write Barriers 

    Write barrier protected objects are allowed to be promoted to the
old generation, which means they only get marked on major GC.

The downside is that the `RB_BJ_WRITE` macro MUST be used to set
references, otherwise the referenced object may be garbaged collected.

But the `*Descriptor` classes and `Arena` have very few references
and are only set in a few places, so it's relatively easy to implement.
    @byroot
    byroot committed Feb 14, 2023
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