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don't compile Regex in frequently called function get_rust_item #971

Merged
merged 3 commits into from
Feb 5, 2024
Merged

don't compile Regex in frequently called function get_rust_item #971

merged 3 commits into from
Feb 5, 2024

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tjhance
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@tjhance tjhance commented Feb 2, 2024

Savings are significant; on the mem-allocator project, rust-to-vir goes down from nearly 2s. to 0.3s.

@tjhance tjhance requested a review from utaal February 2, 2024 20:40
@utaal-b utaal-b requested review from utaal-b and removed request for utaal February 5, 2024 12:12
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utaal-b commented Feb 5, 2024

This is a tiny dependency, but just in case we can avoid it: would the OnceCells introduced here be sufficient? rust-lang/rust#105587

@tjhance tjhance merged commit 2aed333 into main Feb 5, 2024
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@tjhance tjhance deleted the lazy-regex branch February 5, 2024 14:37
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