Auto merge of #137354 - FractalFir:intern_with_cap, r=FractalFir

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Change interners to start preallocated with an increased capacity

Inspired by https://github.com/rust-lang/rust/issues/137005.

Added a `with_capacity` function to `InternedSet`. Changed the `CtxtInterners` to start with `InternedSets` preallocated with a capacity.

This *does* increase memory usage at very slightly(by ~1 MB at the start), altough that increase quickly disaperars for larger crates(since they require such capacity anyway).

A local perf run indicates this improves compiletimes for small crates(like `ripgrep`), without a negative effect on larger ones.

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bors 2025-02-26 13:01:45 +00:00

parent 513eac70b7 99beae85a5

commit 99f08466a7

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