diff options
| author | Michael Howell <michael@notriddle.com> | 2024-03-09 10:15:57 -0700 |
|---|---|---|
| committer | Michael Howell <michael@notriddle.com> | 2024-03-09 10:56:21 -0700 |
| commit | bcc3f193b87ee9f843be68c138af830d75ccb1dd (patch) | |
| tree | 415f4b40d0280757b347799c43e84b5f76522210 /compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp | |
| parent | b054da815501bafb24a08284151d32862f7a3a13 (diff) | |
| download | rust-bcc3f193b87ee9f843be68c138af830d75ccb1dd.tar.gz rust-bcc3f193b87ee9f843be68c138af830d75ccb1dd.zip | |
rustdoc-search: depth limit `T<U>` -> `U` unboxing
Profiler output: https://notriddle.com/rustdoc-html-demo-9/search-unbox-limit/ This is a performance enhancement aimed at a problem I found while using type-driven search on the Rust compiler. It is caused by [`Interner`], a trait with 41 associated types, many of which recurse back to `Self` again. This caused search.js to struggle. It eventually terminates, after about 10 minutes of turning my PC into a space header, but it's doing `41!` unifications and that's too slow. [`Interner`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/trait.Interner.html
Diffstat (limited to 'compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp')
0 files changed, 0 insertions, 0 deletions