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| author | Erick Tryzelaar <erick.tryzelaar@gmail.com> | 2014-12-05 11:29:15 -0800 |
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| committer | Erick Tryzelaar <erick.tryzelaar@gmail.com> | 2014-12-05 11:29:41 -0800 |
| commit | e20ea0b67dbd5428bc3d355862692f1efecd378c (patch) | |
| tree | b26b43edaf997bb45de57677c64806991fafb8a8 /src/libstd/sys/unix/stack_overflow.rs | |
| parent | 4573da6f4ffb276c31773679fd19581fc15ded8f (diff) | |
| download | rust-e20ea0b67dbd5428bc3d355862692f1efecd378c.tar.gz rust-e20ea0b67dbd5428bc3d355862692f1efecd378c.zip | |
collections: dramatically speed up Vec::reserve with magic
Somehow llvm is able to optimize this version of Vec::reserve into dramatically faster than the old version. In micro-benchmarks this was 2-10 times faster. It also shaved 14 minutes off of rust's compile times. Closes #19281.
Diffstat (limited to 'src/libstd/sys/unix/stack_overflow.rs')
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