Hi,
Thanks for reply, I just upgraded my installation from 6.5 to 7.0, so I can specify the rpi
now.
What really bothers me is: when I run the same program repeatly, it runs slower and slower.
My program is like this: Node 0 generates a set of linear equations, then broadcast it
among the processes, other nodes use "MPI_Bcast" to wait the linear equations ready and
then all the processes, including Node 0, solve it cooperatively. Could you give me some
hints on it?
Another question: how to change the priority of the process (like the value for
rpi_sysv_priority)? I looked into the documentation but didn't find it.
Thanks.
Di Ling
>Date: Thu, 10 Jul 2003 20:34:46 -0500 (EST)
>From: Sriram Sankaran <ssankara_at_[hidden]>
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>To: General LAM/MPI mailing list <lam_at_[hidden]>
>Subject: Re: LAM: TCP or SYSV?
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>Hi,
>
>In pre-7.0, the choice of rpi is made at compile-time. Hence, the default
>(only) rpi is the one that was specified with the --with-rpi option to
>LAM's configure script (or tcp if this flag was not specified). In 7.0,
>the default rpi can be found using one of the methods mentioned in this
>1-day old post on the LAM list:
>http://www.lam-mpi.org/MailArchives/lam/msg06311.php
>
>Hope this helps.
>
>--
>Sriram Sankaran
>email: ssankara_at_[hidden]
>http://www.lam-mpi.org/
>
>
>Thus spake Ling, Di, on Jul 10:
>
>>Date: Thu, 10 Jul 2003 14:12:07 -0400
>>From: "Ling, Di" <dling_at_[hidden]>
>>Reply-To: General LAM/MPI mailing list <lam_at_[hidden]>
>>To: lam_at_[hidden]
>>Subject: LAM: TCP or SYSV?
>>
>>Hi,
>>
>>By default installation, on a shared-memory machine, lam use TCP or SYSV shared memory?
Thanks!
>>
>>Di
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