[mpich-discuss] Dual core problem

jayesh at mcs.anl.gov jayesh at mcs.anl.gov
Fri Apr 9 15:36:20 CDT 2010 

Hi,
 I would recommend the following (To make sure that you installation is fine),

1) Uninstall MPICH2 on your machine.
2) Install mpich2-1.2.1p1 on your machine (Make sure that your OS is 32-bit before installing 32-bit version of MPICH2 - Start->Control Panel->System)
3) Re-compile C:\program files\mpich2\examples\icpi.c (cpi.vcproj)
4) Run "smpd -status" to get the status of smpd
5) Try running cpi.exe as "c:\progra~1\mpich2\bin\mpiexec.exe -n 2 c:\progra~1\mpich2\examples\cpi.exe"
6) Run "smpd -version" to get the version of the process manager.
7) Type "winver" at the command prompt to get the complete version of your OS.

 Let us know the results. Please provide as much details as possible (The more details you provide the easier it is for us to debug your problem).

Regards,
Jayesh
----- Original Message -----
From: huraj at ucm.sk
To: "Jayesh Krishna" <jayesh at mcs.anl.gov>
Cc: "Ladislav Huraj" <ladislav.huraj at ucm.sk>, mpich-discuss at mcs.anl.gov
Sent: Friday, April 9, 2010 2:19:55 PM GMT -06:00 US/Canada Central
Subject: Re: [mpich-discuss] Dual core problem

Hi,

cpi does not work (or 1/6 that it works)
"mpiexec -n 3 hello.exe" does not work (the same probability)
"mpiexec -n 1 hostname" works perfectly (it works without problems for
each n), it is the first one without problems

it seems that the higher number n, the lower probability of correct output

Ladislav

>  Please provide us more details. Can you run cpi ? Can you run "mpiexec -n
> 3 hello.exe" ? Can you run "mpiexec -n 1 hostname" ?
>
> -Jayesh
> ----- Original Message -----
> From: "Ladislav Huraj" <ladislav.huraj at ucm.sk>
> To: "Jayesh Krishna" <jayesh at mcs.anl.gov>
> Cc: mpich-discuss at mcs.anl.gov
> Sent: Friday, April 9, 2010 11:41:55 AM GMT -06:00 US/Canada Central
> Subject: Re: [mpich-discuss] Dual core problem
>
> Unfortunately it does not work
>
> BR,
> Ladislav
>
>
> Jayesh Krishna  wrote / napĂ­sal(a):
>> Hi,
>>  Can you cpi (c:\program files\mpich2\examples\cpi.exe) on your notebook
>> ?
>>  Does "mpiexec -n 3 hello.exe" work for you (mpiexec launches all procs
>> on the localhost by default)?
>>
>> Regards,
>> Jayesh
>> ----- Original Message -----
>> From: huraj at ucm.sk
>> To: mpich-discuss at mcs.anl.gov
>> Sent: Friday, April 9, 2010 6:24:05 AM GMT -06:00 US/Canada Central
>> Subject: Re: [mpich-discuss] Dual core problem
>>
>> My version is 1.2.1p1. I have already tried the older as well as newer
>> versions of mpich2 but without success.
>>
>> For job I use e.g.:
>> mpiexec &#8211;hosts 3 localhost localhost localhost hello.exe
>> this one works perfectly with the MPI code on my other PC.
>> I tried lots of others options which are correct (I always checked the
>> correctness on my other PC). From this I deducted that problem seems to
>> be
>> in notebook not in the code. Funny is that in one of 4 cases the outputs
>> are correct.
>>
>> My OS is 32bit WinXP Professional SP3, it is notebook HP Intel Core2 Duo
>> CP.
>>
>>
>>
>>> Hi,
>>>  Which version of MPICH2 are you using (If you are using an older
>>> version
>>> try the latest stable version and see if it helps -
>>> http://www.mcs.anl.gov/research/projects/mpich2/downloads/index.php?s=downloads)?
>>>  How are you running your job (mpiexec options)?
>>>  Is your machine 32-bit or 64-bit ?
>>>
>>> Regards,
>>> Jayesh
>>> ----- Original Message -----
>>> From: huraj at ucm.sk
>>> To: mpich-discuss at mcs.anl.gov
>>> Sent: Friday, April 9, 2010 2:40:31 AM GMT -06:00 US/Canada Central
>>> Subject: [mpich-discuss] Dual core problem
>>>
>>> When I run the MPI program the outputs are different. Sometimes the
>>> output
>>> is correct, sometimes I obtain error message and sometimes job
>>> aborting.
>>> See the outputs:
>>>
>>> [01:4088]......ERROR:result command received but the wait_list is
>>> empty.
>>> [01:4088]....ERROR:unable to handle the command: "cmd=result src=1
>>> dest=1
>>> tag=5 cmd_tag=2 cmd_orig=dbput ctx_key=1 result=DBS_SUCCESS "
>>> [01:4088]...ERROR:sock_op_close returned while unknown context is in
>>> state: SMPD_IDLE
>>> [01:2392]......ERROR:result command received but the wait_list is
>>> empty.
>>> [01:2392]....ERROR:unable to handle the command: "cmd=result src=1
>>> dest=1
>>> tag=9 cmd_tag=2 cmd_orig=dbput ctx_key=2 result=DBS_SUCCESS "
>>> [01:2392]...ERROR:sock_op_close returned while unknown context is in
>>> state: SMPD_IDLE
>>>
>>> or
>>> [01:1452]......ERROR:result command received but the wait_list is
>>> empty.
>>> [01:1452]....ERROR:unable to handle the command: "cmd=result src=1
>>> dest=1
>>> tag=4 cmd_tag=1 cmd_orig=dbget ctx_key=0 result=DBS_FAIL "
>>>
>>> job aborted:
>>> rank: node: exit code[: error message]
>>> 0: localhost: 123
>>> 1: localhost: 123
>>> 2: localhost: -1073741819: process 2 exited without calling finalize
>>>
>>> or correctly
>>> Received: Hello, world from process 1!
>>> Received: Hello, world from process 2!
>>> MASTER: All Done!
>>>
>>> The program code is correct; it runs well on different PC.
>>>
>>> I am afraid the problem is in my notebook. The notebook is Intel Core2
>>> Duo
>>> CPU.
>>> I tried to change the setting &#8216;hosts&#8217; in wmpiconfig (to
>>> localhost:2) for dual core but nothing has changed.
>>> I need it only for local using.
>>>
>>> Thanks
>>>
>>> Ladislav
>>>
>>>
>>>
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