VecDeque: improve performance for From<[T; N]> #88452
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Create VecDeque directly from the array instead of inserting items one-by-one.
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…u-se VecDeque: improve performance for From<[T; N]> Create `VecDeque` directly from the array instead of inserting items one-by-one. Benchmark ``` ./x.py bench library/alloc --test-args vec_deque::bench_from_array_1000 ``` * Before ``` test vec_deque::bench_from_array_1000 ... bench: 3,991 ns/iter (+/- 717) ``` * After ``` test vec_deque::bench_from_array_1000 ... bench: 268 ns/iter (+/- 37) ```
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…u-se VecDeque: improve performance for From<[T; N]> Create `VecDeque` directly from the array instead of inserting items one-by-one. Benchmark ``` ./x.py bench library/alloc --test-args vec_deque::bench_from_array_1000 ``` * Before ``` test vec_deque::bench_from_array_1000 ... bench: 3,991 ns/iter (+/- 717) ``` * After ``` test vec_deque::bench_from_array_1000 ... bench: 268 ns/iter (+/- 37) ```
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…ingjubilee Rollup of 13 pull requests Successful merges: - rust-lang#83655 ([aarch64] add target feature outline-atomics) - rust-lang#87091 (implement advance_(back_)_by on more iterators) - rust-lang#88451 (Fix an ICE caused by type mismatch errors being ignored) - rust-lang#88452 (VecDeque: improve performance for From<[T; N]>) - rust-lang#89400 (Improve wording of `map_or_else` docs) - rust-lang#89407 (Recommend running `cargo clean` in E0514 output) - rust-lang#89443 (Include the length in BTree hashes) - rust-lang#89444 (rustdoc: use slice::contains instead of open-coding it) - rust-lang#89447 (Improve error message for missing angle brackets in `[_]::method`) - rust-lang#89453 (Consistently use 'supertrait'.) - rust-lang#89483 (Practice diagnostic message convention) - rust-lang#89500 (Fix ICE with buffered lint referring to AST node deleted by everybody_loops) - rust-lang#89508 (Stabilize `const_panic`) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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Create
VecDequedirectly from the array instead of inserting items one-by-one.Benchmark