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From: Galen M. Shipman (gshipman_at_[hidden])
Date: 2006-08-22 10:05:34


Jayanta,

What is your bus on this machine? If it is PCI-X 133 you are going to be
limited, also memory bandwidth could also be the bottleneck.

Thanks,

Galen

Jayanta Roy wrote:

>Hi,
>
>In between two nodes I have dual Gigabit ethernet full duplex links. I was
>doing benchmarking using non-blocking MPI send and receive. But I am
>getting only speed corresponds to one Gigabit ethernet full duplex link
>(< 2Gbps). I have checked using ifconfig, this transfer is using both the
>ports, then why I am not getting full throughput from dual Gigabit
>ethernet ports? Can anyone please help me in this?
>
>Regards,
>Jayanta
>
>
>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>Jayanta Roy
>National Centre for Radio Astrophysics | Phone : +91-20-25697107
>Tata Institute of Fundamental Research | Fax : +91-20-25692149 Pune
>University Campus, Pune 411 007 | e-mail : jroy_at_[hidden]
>India
>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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