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| author | bors <bors@rust-lang.org> | 2025-04-24 05:36:38 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2025-04-24 05:36:38 +0000 |
| commit | 7f695232a80fa1833e2282f2577c5e1ff066bf39 (patch) | |
| tree | 0529a0de73abb077c999e6d068c1188b2a53f561 /compiler/rustc_trait_selection/src/traits/wf.rs | |
| parent | c02a4f0852e6665cf3df3867982021383f5615df (diff) | |
| parent | 4326a44e6f0859077b7789d42416b9291b0ff4d1 (diff) | |
| download | rust-7f695232a80fa1833e2282f2577c5e1ff066bf39.tar.gz rust-7f695232a80fa1833e2282f2577c5e1ff066bf39.zip | |
Auto merge of #140168 - joshlf:no-nfas, r=jswrenn
transmute: Mark edges by byte sets, not byte values This leads to drastic performance improvements. For example, on the author's 2024 MacBook Pro, the time to convert the `Tree` representation of a `u64` to its equivalent DFA representation drops from ~8.5ms to ~1us, a reduction of ~8,500x. See `bench_dfa_from_tree`. Similarly, the time to execute a transmutability query from `u64` to `u64` drops from ~35us to ~1.7us, a reduction of ~20x. See `bench_transmute`. r? `@jswrenn`
Diffstat (limited to 'compiler/rustc_trait_selection/src/traits/wf.rs')
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