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Subject: Re: [OMPI users] Want to find LogGP parameters. Please help
From: Mudassar Majeed (mudassarm30_at_[hidden])
Date: 2011-10-27 14:26:37


Thank you for very useful tool for me. regards, Mudassar ________________________________ From: Edgar Gabriel <gabriel_at_[hidden]> To: Mudassar Majeed <mudassarm30_at_[hidden]>; Open MPI Users <users_at_[hidden]> 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. http://unixer.de/research/netgauge/ Thanks Edgar 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 >