[mpich-discuss] Problem with MPI

[Suman Vajjala]

Hi,

      I am running a parallel code in a cluster using mpich 2. However, the
process shows a CPU utilization of < 10%. The serial code when run shows a
100% cpu usage. Do the mpi codes show a less cpu usage?

Regards
Suman

On Wed, Jul 8, 2009 at 10:30 PM, <mpich-discuss-request at mcs.anl.gov> wrote:

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>   1. Re:  mpiconfig error (Lubomir Radev)
>   2.  question about running mpich2 on sol86 (Shangli Wu)
>
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 8 Jul 2009 08:24:33 -0700 (PDT)
> From: Lubomir Radev <lubomirr at yahoo.com>
> Subject: Re: [mpich-discuss] mpiconfig error
> To: Jayesh Krishna <jayesh at mcs.anl.gov>
> Cc: mpich-discuss at mcs.anl.gov
> Message-ID: <895619.35513.qm at web81803.mail.mud.yahoo.com>
> Content-Type: text/plain; charset="us-ascii"
>
> yes on both
>
>
>
> ________________________________
> From: Jayesh Krishna <jayesh at mcs.anl.gov>
> To: Lubomir Radev <lubomirr at yahoo.com>
> Cc: mpich-discuss at mcs.anl.gov
> Sent: Wednesday, July 8, 2009 7:05:43 AM
> Subject: RE: [mpich-discuss] mpiconfig error
>
>
> Hi,
>  Can you run a simple program using mpiexec from the command prompt
> (mpiexec -n 2 hostname)?  Is the process manager, smpd, running on your
> machine (smpd -status)?
>
> Regards,
> Jayesh
>
> -----Original Message-----
> From: mpich-discuss-bounces at mcs.anl.gov [mailto:
> mpich-discuss-bounces at mcs.anl.gov] On Behalf Of Lubomir Radev
> Sent: Tuesday, July 07, 2009 10:02 PM
> To: mpich-discuss at mcs.anl.gov
> Subject: [mpich-discuss] mpiconfig error
>
>
> Using MPICH2 1.1 on Windows 7 RC, I'm getting wmpiconfig error "MPICH2 not
> installed or unable to query the host". I've registered my local account
> (MACHINE\User) for smpd access with wmpiregister. I installed MPICH2 with
> installation option "for this user only" into my home directory
> (C:\Users\User). I have administrator privileges.
>
> Any clues?
>
> During the installation, at UAC prompt I was asked which networks do I
> authorize smpd to have access to - private or/and public, and I chose
> private only. Could that be the culprit?
>
> Thanks
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> Message: 2
> Date: Wed, 8 Jul 2009 12:47:26 -0400
> From: "Shangli Wu" <shangliw at cadence.com>
> Subject: [mpich-discuss] question about running mpich2 on sol86
> To: <mpich-discuss at mcs.anl.gov>
> Message-ID:
>        <
> BA10A0225849DF4BBA2105B06E8B26AF0650419D at MAILNA1.global.cadence.com>
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>
> Hi,
>
> I try to build/run the example cxxpi.cxx on Sol86 using mpicxx. Compile
> seems OK. But when I run it, it shows error as:
>
> chfcsx023:/home/shangliw/libraries/mpich2-1.0.8p1/examples/testcase_1 >
> mpicxx cxxpi.cxx
> chfcsx023:/home/shangliw/libraries/mpich2-1.0.8p1/examples/testcase_1 >
> ls
> a.out       cxxpi.cxx   cxxpi.cxx~
> chfcsx023:/home/shangliw/libraries/mpich2-1.0.8p1/examples/testcase_1 >
> a.out
> ld.so.1: a.out: fatal: libstdc++.so.5: open failed: No such file or
> directory
> Killed
> chfcsx023:/home/shangliw/libraries/mpich2-1.0.8p1/examples/testcase_1 >
> mpd&
> [1] 779
> chfcsx023:/home/shangliw/libraries/mpich2-1.0.8p1/examples/testcase_1 >
> chfcsx023:/home/shangliw/libraries/mpich2-1.0.8p1/examples/testcase_1 >
> mpiexec -n 2 a.out
> ld.so.1: a.out: fatal: libstdc++.so.5: open failed: No such file or
> directory
> ld.so.1: a.out: fatal: libstdc++.so.5: open failed: No such file or
> directory
>
>
> The same file can build/run on Sun4v/Linux without any problem. Would
> someone help me to understand what's wrong on Sol86?
>
> Thanks
>
> Shangli Wu
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