[Openmp-commits] [PATCH] D102188: [OpenMP] Add experimental nesting mode

[Terry Wilmarth via Phabricator via Openmp-commits]

tlwilmar added a comment.

In D102188#2752410 <https://reviews.llvm.org/D102188#2752410>, @ye-luo wrote:

> Why "12 threads per parallel region" instead of 24? I thought hyper-threads are used by default. Maybe you assume no-SMT in your example? it will be helpful if you make it clear.

Yes, it works that way if SMT is available. So, if there are 2 threads available per core, it would allow for a third nesting level, with size 2.


Repository:
  rOMP OpenMP

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D102188/new/

https://reviews.llvm.org/D102188