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| author | Jacob Pratt <jacob@jhpratt.dev> | 2025-02-13 03:53:31 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-02-13 03:53:31 -0500 |
| commit | 1f669fdc7d9ac589e2ef297438915acfd14dc07b (patch) | |
| tree | 49cf9e1b464ddc375b45810cba064befee2c90ac /src/doc/rustc-dev-guide | |
| parent | 4ea261018a7ab5ab9328d29a0404347ec137bf0d (diff) | |
| parent | 8506dd264439fd2db26d73aa1fa504b47c33b8f4 (diff) | |
| download | rust-1f669fdc7d9ac589e2ef297438915acfd14dc07b.tar.gz rust-1f669fdc7d9ac589e2ef297438915acfd14dc07b.zip | |
Rollup merge of #136858 - safinaskar:parallel-cleanup-2025-02-11-07-54, r=SparrowLii
Parallel-compiler-related cleanup Parallel-compiler-related cleanup I carefully split changes into commits. Commit messages are self-explanatory. Squashing is not recommended. cc "Parallel Rustc Front-end" https://github.com/rust-lang/rust/issues/113349 r? SparrowLii ``@rustbot`` label: +WG-compiler-parallel
Diffstat (limited to 'src/doc/rustc-dev-guide')
| -rw-r--r-- | src/doc/rustc-dev-guide/src/parallel-rustc.md | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/src/doc/rustc-dev-guide/src/parallel-rustc.md b/src/doc/rustc-dev-guide/src/parallel-rustc.md index 44c78a125f4..c5b70706a81 100644 --- a/src/doc/rustc-dev-guide/src/parallel-rustc.md +++ b/src/doc/rustc-dev-guide/src/parallel-rustc.md @@ -46,8 +46,6 @@ are implemented differently depending on whether `parallel-compiler` is true. | data structure | parallel | non-parallel | | -------------------------------- | --------------------------------------------------- | ------------ | -| Weak | std::sync::Weak | std::rc::Weak | -| Atomic{Bool}/{Usize}/{U32}/{U64} | std::sync::atomic::Atomic{Bool}/{Usize}/{U32}/{U64} | (std::cell::Cell<bool/usize/u32/u64>) | | OnceCell | std::sync::OnceLock | std::cell::OnceCell | | Lock\<T> | (parking_lot::Mutex\<T>) | (std::cell::RefCell) | | RwLock\<T> | (parking_lot::RwLock\<T>) | (std::cell::RefCell) | @@ -58,7 +56,6 @@ are implemented differently depending on whether `parallel-compiler` is true. | WriteGuard | parking_lot::RwLockWriteGuard | std::cell::RefMut | | MappedWriteGuard | parking_lot::MappedRwLockWriteGuard | std::cell::RefMut | | LockGuard | parking_lot::MutexGuard | std::cell::RefMut | -| MappedLockGuard | parking_lot::MappedMutexGuard | std::cell::RefMut | - These thread-safe data structures are interspersed during compilation which can cause lock contention resulting in degraded performance as the number of @@ -173,12 +170,10 @@ Here are some resources that can be used to learn more: - [This list of interior mutability in the compiler by nikomatsakis][imlist] [`rayon`]: https://crates.io/crates/rayon -[Arc]: https://doc.rust-lang.org/std/sync/struct.Arc.html [imlist]: https://github.com/nikomatsakis/rustc-parallelization/blob/master/interior-mutability-list.md [irlo0]: https://internals.rust-lang.org/t/parallelizing-rustc-using-rayon/6606 [irlo1]: https://internals.rust-lang.org/t/help-test-parallel-rustc/11503 [monomorphization]: backend/monomorph.md [parallel-rustdoc]: https://github.com/rust-lang/rust/issues/82741 -[Rc]: https://doc.rust-lang.org/std/rc/struct.Rc.html [rustc-rayon]: https://github.com/rust-lang/rustc-rayon [tracking]: https://github.com/rust-lang/rust/issues/48685 |