[PATCH] D25564: Add interface to compute number of physical cores on host system

[Mehdi AMINI via llvm-commits]

mehdi_amini added a comment.

In https://reviews.llvm.org/D25564#569453, @kparzysz wrote:

> Why specifically asking about physical cores?  Should this ask instead about the preferred number of concurrent tasks?


The reason is that if you have for instance very memory heavy tasks, and you know (by experiment) that you don't benefit much from hyper-threading in terms of runtime, it seems more friendly to kick less threads (divide memory peak by 2).


Repository:
  rL LLVM

https://reviews.llvm.org/D25564