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Do not use LEB128 for encoding u16 and i16 by Kobzol · Pull Request #92314 · rus...

 2 years ago
source link: https://github.com/rust-lang/rust/pull/92314
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rust-timer commented 20 days ago

Finished benchmarking commit (12ca178): comparison url.

Summary: This change led to moderate relevant improvements tada in compiler performance.

  • Moderate improvement in instruction counts (up to -2.1% on incr-unchanged builds of helloworld)

If you disagree with this performance assessment, please file an issue in rust-lang/rustc-perf.

Benchmarking this pull request likely means that it is perf-sensitive, so we're automatically marking it as not fit for rolling up. While you can manually mark this PR as fit for rollup, we strongly recommend not doing so since this PR led to changes in compiler perf.

@bors rollup=never
@rustbot label: +S-waiting-on-review -S-waiting-on-perf -perf-regression


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