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May 9, 2016 at 23:08
Rust tests every PR against a very impressive range of platforms. No code gets merged if any fail!
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Jul 25, 2024 at 16:25
I'm increasingly doubtful that commit messages should be entirely immutable. I sometimes find myself editing or commenting on merged pull requests, to help future readers. Phabricator appended a URL to commit messages, which helped. In principle PR merging could do the same thing.
Nov 15, 2021 at 00:50
Wowza, I reported a bug to the Haskell tree-sitter parser and a maintainer merged a fix in under an hour!
Comment parsing consumes blank lines before · Issue #48 · tree-sitter/tree-sitter-haskell
Comment parsing consumes blank lines before · Issue #48 · tree-sitter/tree-sitter-haskell
foo x = x + 1 -- Hello world bar y = y + 1 The position of the comment here covers all the preceding blank lines.
Sep 5, 2021 at 06:33
Applying PGO to rustc (on both LLVM and the Rust-based frontend) can provide a ~10% improvement to compile time! https://blog.rust-lang.org/inside-rust/2020/11/11/exploring-pgo-for-the-rust-compiler.html This has been recently merged to Rust's CI:
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PGO for LLVM builds on x86_64-unknown-linux-gnu in CI by Mark-Simulacrum · Pull Request #88069 · rust-lang/rust
PGO for LLVM builds on x86_64-unknown-linux-gnu in CI by Mark-Simulacrum · Pull Request #88069 · rust-lang/rust
This shows up to 6% less instruction counts with larger - up to 18% - wins on cycles on multiple benchmarks, and up to 19% wins on the -j1 wall times for rustc self-compilation. We can afford to sp...