Thank you for very useful tool for me.


From: Edgar Gabriel <>
To: Mudassar Majeed <>; Open MPI Users <>
Sent: Thursday, October 27, 2011 6:20 PM
Subject: Re: [OMPI users] Want to find LogGP parameters. Please help

you can have a look at the Netgauge tool of Torsten Hoefler, this tool
can report the LogGP parameters.


On 10/26/2011 11:48 AM, Mudassar Majeed wrote:
> Dear MPI people,
>                                    I want to use LogGP model with MPI to
> find a message with K bytes will take how much time. In this, I need to
> find Latency L, Overhead o and Gap G. Can somebody tell me how can I
> measure these three parameters of the underlying network ? and how often
> should I measure these parameters so that the predication of time for
> sending a message of K bytes remains accurate.
> regards,
> Mudassar