v0.8: Prepare for the next release #1050
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```
error: incorrect implementation of `clone` on a `Copy` type
--> crossbeam-epoch/src/atomic.rs:1171:29
|
1171 | fn clone(&self) -> Self {
| _____________________________^
1172 | | Self {
1173 | | data: self.data,
1174 | | _marker: PhantomData,
1175 | | }
1176 | | }
| |_____^ help: change this to: `{ *self }`
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#incorrect_clone_impl_on_copy_type
= note: `#[deny(clippy::incorrect_clone_impl_on_copy_type)]` on by default
error: incorrect implementation of `clone` on a `Copy` type
--> crossbeam-deque/src/deque.rs:82:34
|
82 | fn clone(&self) -> Buffer<T> {
| __________________________________^
83 | | Buffer {
84 | | ptr: self.ptr,
85 | | cap: self.cap,
86 | | }
87 | | }
| |_____^ help: change this to: `{ *self }`
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#incorrect_clone_impl_on_copy_type
= note: `#[deny(clippy::incorrect_clone_impl_on_copy_type)]` on by default
```
``` error: call to `.clone()` on a reference in this situation does nothing --> crossbeam-epoch/src/guard.rs:451:38 | 14 | let dummy = &epoch::unprotected().clone(); | ^^^^^^^^ help: remove this redundant call | = note: the type `Guard` does not implement `Clone`, so calling `clone` on `&Guard` copies the reference, which does not do anything and can be removed note: the lint level is defined here --> crossbeam-epoch/src/guard.rs:438:9 | 1 | #![deny(warnings, rust_2018_idioms)] | ^^^^^^^^ = note: `#[deny(noop_method_call)]` implied by `#[deny(warnings)]` ```
The perf c2c data shows lots of cacheline contention were caused by false sharing between epoch and other field in "Local" struct. So use CachePadded class to align it to another cacheline to resolve this issue.
core::panic::{,Ref}UnwindSafe is available on Rust 1.56+.
Replaces #724. Co-authored-by: Enkelmann <[email protected]>
Signed-off-by: Yilin Chen <[email protected]>
- crossbeam-channel 0.5.8 -> 0.5.9 - crossbeam-deque 0.8.3 -> 0.8.4 - crossbeam-epoch 0.9.15 -> 0.9.16 - crossbeam-queue 0.3.8 -> 0.3.9 - crossbeam-utils 0.8.16 -> 0.8.17
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scopeguard. (Various cleanups #1045)loomdependency to 0.7.{,Ref}UnwindSafefor AtomicCell. (Various cleanups #1045)oom=panic. (Various cleanups #1045)CachePadded. (CachePadded: update alignment for mips32r6 and mips64r6 #1014, CachePadded: Use 64-byte alignment on riscv32 and riscv64 #1025)loomdependency to 0.7.Closes #1048
skiplist is in the master branch, so I'll release it in another PR.