[llvm-dev] LLD: time to enable --threads by default
Renato Golin via llvm-dev
llvm-dev at lists.llvm.org
Thu Nov 17 01:49:37 PST 2016
On 17 November 2016 at 03:20, Rui Ueyama via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
> Here is the result of running 20 threads on 20 physical cores (40 virtual
> 19002.081139 task-clock (msec) # 2.147 CPUs utilized
> 12738.416627 task-clock (msec) # 1.000 CPUs utilized
Sounds like threading isn't beneficial much beyond the second CPU...
Maybe blindly creating one thread per core isn't the best plan...
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