ts, and now it works fine.
Thanks a lot,
Saygin
On Thu, Aug 12, 2010 at 11:39 AM, Saygin Arkan wrote:
> Hi Gus,
>
> 1 - first of all, turning off hyper-threading is not an option. And it
> gives pretty good results if I can find a way to arrange the cores.
>
> 2 - Actual
e in our dual processor quad-core computers
> (not hyperthreaded).
>
> Depending on your code, hyperthreading may not help performance anyway.
>
> I hope this helps,
> Gus Correa
>
> Saygin Arkan wrote:
>
>> Hello,
>>
>> I'm running m
pirun -host os221,os222,os223,os224,os228,os229 -np 18 --rankfile
> myrankfile2 ./a.out
>
> which one reproduces your problem and which one avoids it depends on how
> the BIOS numbers your HTs. Once you can confirm you understand the problem,
> you (with the help of this list) can
Hello,
I'm running mpi jobs in non-homogeneous cluster. 4 of my machines have the
following properties, os221, os222, os223, os224:
vendor_id : GenuineIntel
cpu family : 6
model : 23
model name : Intel(R) Core(TM)2 Quad CPU Q9300 @ 2.50GHz
stepping: 7
cache s
Hi,
I'm executing an mpi program, using C++ bindings.
if( rank == 0)
{
...
...
if( !isFileFound){
LOG4CXX_ERROR(log, "There are not any files related with the
given probe ID");
Finalize();
exit(0);
}
}
Here rank zero stops working, I print the error log. But th
Hello,
I'm a newbie on MPI, just playing around with the things.
I've searched through the internet but couldn't find an appropriate code
example for my problem.
I'm making comparisons, correlations on my cluster, and gaining the results
like this:
vector results;
In every node, they calculate a
