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Subject: Re: [OMPI users] Want to find LogGP parameters. Please help
From: Edgar Gabriel (gabriel_at_[hidden])
Date: 2011-10-27 12:20:27

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