[mpich-discuss] Problem with MPI

[Dhiraj]

You may use "-nolocal" and see the cpu usage

for example,

mpirun -n 12 -machinfile "machine_file_name" -nolocal "exe_file_name"


2009/7/9 Suman Vajjala <suman.geek at gmail.com>

> 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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>> Today's Topics:
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>>   1. Re:  mpiconfig error (Lubomir Radev)
>>   2.  question about running mpich2 on sol86 (Shangli Wu)
>>
>>
>> ----------------------------------------------------------------------
>>
>> 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>
>> Content-Type: text/plain; charset="us-ascii"
>>
>> 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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