Clarify in the docs that mul_add is not always faster.
#50572
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Clarify in the docs that `mul_add` is not always faster. Fixes rust-lang#49842. Other resources: - https://users.rust-lang.org/t/why-does-the-mul-add-method-produce-a-more-accurate-result-with-better-performance/1626 - https://en.wikipedia.org/wiki/Multiply%E2%80%93accumulate_operation
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Clarify in the docs that `mul_add` is not always faster. Fixes rust-lang#49842. Other resources: - https://users.rust-lang.org/t/why-does-the-mul-add-method-produce-a-more-accurate-result-with-better-performance/1626 - https://en.wikipedia.org/wiki/Multiply%E2%80%93accumulate_operation
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Rollup of 18 pull requests Successful merges: - #49423 (Extend tests for RFC1598 (GAT)) - #50010 (Give SliceIndex impls a test suite of girth befitting the implementation (and fix a UTF8 boundary check)) - #50447 (Fix update-references for tests within subdirectories.) - #50514 (Pull in a wasm fix from LLVM upstream) - #50524 (Make DepGraph::previous_work_products immutable) - #50532 (Don't use Lock for heavily accessed CrateMetadata::cnum_map.) - #50538 ( Make CrateNum allocation more thread-safe. ) - #50564 (Inline `Span` methods.) - #50565 (Use SmallVec for DepNodeIndex within dep_graph.) - #50569 (Allow for specifying a linker plugin for cross-language LTO) - #50572 (Clarify in the docs that `mul_add` is not always faster.) - #50574 (add fn `into_inner(self) -> (Idx, Idx)` to RangeInclusive (#49022)) - #50575 (std: Avoid `ptr::copy` if unnecessary in `vec::Drain`) - #50588 (Move "See also" disambiguation links for primitive types to top) - #50590 (Fix tuple struct field spans) - #50591 (Restore RawVec::reserve* documentation) - #50598 (Remove unnecessary mutable borrow and resizing in DepGraph::serialize) - #50606 (Retry when downloading the Docker cache.) Failed merges: - #50161 (added missing implementation hint) - #50558 (Remove all reference to DepGraph::work_products)
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70: Clarify in the docs that `mul_add` is not always faster. r=cuviper a=frewsxcv More info: - rust-lang/rust#49842 - rust-lang/rust#50572 Co-authored-by: Corey Farwell <coreyf@rwell.org>
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Fixes #49842.
Other resources: