On Wed, 25 Jun 2008, Mikhail Kuzminsky wrote:
> I have dual socket quad-core Opteron 2350/2 Ghz - based server.
>
> 1) For single-threaded Atlas
>
> For the current 3.8.2 I may use taskset or/and numactl utilities to
> force processor affinity (and NUMA memory allocation) at the tuning
> phase.
>
> What should I use to be correct ?
>
> I may use taskset/numactl simple for issuiing of the corresponding
> makes.
> Is it necessary to use
>
> taskset -c <CPU_number> make build
the default memory policy is a local node allocation (assuming there are
free pages)... so it may not make any difference. but yeah for
consistency in the timing it's probably best to use something like:
numactl --membind=0 --cpubind=0 make build
-dean
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