[Openmp-commits] [PATCH] D13991: Adding Hwloc library option for affinity mechanism.

[hfinkel@anl.gov via Openmp-commits]

hfinkel added a comment.

In http://reviews.llvm.org/D13991#276574, @brianbliss wrote:

> There are some very subtle details with the way that the cpuid HW topology detection mechanism works that I've spent years hammering out, and hwloc has the same bugs as the Intel runtime affinity mechanism had in 2006.  We aren't ready to switch to hwloc as a default, and I don't want to see the LLVM version of libiomp5 diverge from the Intel version WRT thread affinity...
>
> FYI


In that case, it seems like this option should carry a very stern *EXPERIMENTAL* warning.

Will we be able to enable affinity support by default for all targets when hwloc is in use?

> -bb



Repository:
  rL LLVM

http://reviews.llvm.org/D13991