[PATCH] D101699: [Support/Parallel] Add a special case for 0/1 items to llvm::parallel_for_each.

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.
Herald added a subscriber: Chia-hungDuan.

How expensive is spinning up a TaskGroup? Mostly the ctor/dtor of TaskGroup?

I created D117510 <https://reviews.llvm.org/D117510> to remove one `Fn(...)` call which may make instantiated code slightly smaller.


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  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D101699/new/

https://reviews.llvm.org/D101699