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make yp_constant_id_ts useful for constant pool indexing #1554

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@froydnj froydnj commented Sep 19, 2023

This turns out to be really useful (#1537, #1533, #1449, etc.), and we can make everything smaller while doing so.

@froydnj froydnj force-pushed the froydnj-stable-constant-id branch from 05e5c22 to 43a25da Compare September 19, 2023 18:13
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Performance/memory impact?

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froydnj commented Sep 19, 2023

Performance/memory impact?

Performance is improved by ~1% on a subset of Stripe's codebase. Constant pool size isn't counted in YARP::Debug.memsize, but manually adding it suggests that this PR saves ~1-2% of memory allocated.

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Great work. I'll need to merge this into ruby/ruby first to ensure I don't break CI since this is a breaking change to the C API, then I'll merge this.

@kddnewton kddnewton mentioned this pull request Sep 27, 2023
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Merged this in #1605

@kddnewton kddnewton closed this Sep 27, 2023
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