Hi Jeff,
I did with processor binding enabled using both of openmpi-1.7.3
and 1.7.4rc1. But I got the same results as no binding.
In addition, core mapping of 1.7.4rc1 seems to be strange, which
has no relation with tcp slowdown.
Regards,
Tetsuya Mishima
[mishima@node08 OMB-3.1.1]$ mpirun -V
Can you re-run these tests with processor binding enabled?
On Dec 16, 2013, at 6:36 PM, tmish...@jcity.maeda.co.jp wrote:
>
>
> Hi,
>
> I usually use infiniband network, where openmpi-1.7.3 and 1.6.5 works fine.
>
> The other days, I had a chance to use tcp network(1GbE) and I noticed that
>
