[mpich-discuss] .pg files in mpich2

[Matthew Bettencourt]

Thanks, that looks to do the trick

Darius Buntinas wrote:
> 
> Try:
> 
> mpiexec -n 1 valgrind options ./myjob : -n 3 ./myjob
> 
> -d
> 
> On 07/10/2008 06:49 PM, Matthew Bettencourt wrote:
>> That doesnt work, i want to run valgrind on Rank=0, what i used to do 
>> is create a .pg file and then run
>>
>> valgrind options ./myjob
>>
>> and rank0 would run through valgrind.
>>
>> The same sort of thing, i could edit the myjob.pg file to run a script 
>> for one rank in particular
>>
>> Thanks
>> M
>>
>> Rusty Lusk wrote:
>>> In MPICH2 you would say
>>>
>>>    mpiexec -n 4 myjob
>>>
>>> On Thursday,Jul 10, 2008, at 2:30 PM, matt at mail.bettencourt.info wrote:
>>>
>>>> what has happened to the ability to have a procgroup file automatically
>>>> spawn an MPI job.  example
>>>>
>>>> ls
>>>>
>>>> myjob  myjob.pg
>>>>
>>>> mordred:french% cat myjob.pg
>>>> local 0
>>>> localhost 1 myjob
>>>> localhost 1 myjob
>>>> localhost 1 myjob
>>>>
>>>>
>>>> ./myjob
>>>>
>>>>
>>>> then just runs on four CPUS
>>>>
>>>> Is this capability available?
>>>>
>>>> When i do this under 1.27 it works, however, in mpich2 107, it no 
>>>> longer
>>>> seems available.  Is there something like this that works. It is very
>>>> useful for working with valgrind and gdb and the like
>>>>
>>>>
>>>> M
>>>>
>>>
>>>
>>
> 
>