bors b7089e0dd3 Auto merge of #107894 - Voultapher:improve-heapsort-fallback, r=scottmcm ...

Speedup heapsort by 1.5x by making it branchless

`slice::sort_unstable` will fall back to heapsort if it repeatedly fails to find a good pivot. By making the core child update code branchless it is much faster. On Zen3 sorting 10k `u64` and forcing the sort to pick heapsort, results in:

455us -> 278us

2023-02-12 03:30:10 +00:00

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alloc

Auto merge of #106677 - tbu-:pr_less_doc_hidden_pub, r=scottmcm

2023-02-11 23:57:05 +00:00

backtrace @ 07872f28cd

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core

Auto merge of #107894 - Voultapher:improve-heapsort-fallback, r=scottmcm

2023-02-12 03:30:10 +00:00

panic_abort

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panic_unwind

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portable-simd

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proc_macro

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profiler_builtins

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rtstartup

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rustc-std-workspace-alloc

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rustc-std-workspace-core

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rustc-std-workspace-std

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std

Auto merge of #106677 - tbu-:pr_less_doc_hidden_pub, r=scottmcm

2023-02-11 23:57:05 +00:00

stdarch @ a0c30f3e3c

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test

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unwind

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