[mpich-discuss] MPICH2 (or MPI_Init) limitation | scalability

[Darius Buntinas]

You were right about the bogus characters after "description#".  Try applying this patch to the MPICH2 source, then do a "make clean" followed by "make" and "make install", then recompile your app and see if it helps.

-d


On Jan 19, 2012, at 1:27 PM, Bernard Chambon wrote:

> 
> Le 19 janv. 2012 à 18:03, Darius Buntinas a écrit :
> 
>> Can you also send me the output when using verbose and eth2, and without specifying -iface:
>> 
>>   mpiexec -verbose -iface eth2 -n 64 bin/basic_test
>>   mpiexec -verbose -n 64 bin/basic_test
>> 
>> Thanks,
>> -d
> 
> 
> Of course, here are the files (without_iface, with_iface_eth0 | 2)
> 
> <without_iface.log>
> 
> 
> <with_iface_eth0.log>
> 
> <with_iface_eth2.log>
> 
> 
> Thanks you for taking time
> Best regards
> 
> 
> 
> 
> 
> the code : (compile with gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-48)
> 
>  if (MPI_Init(NULL, NULL) != MPI_SUCCESS ) {
>   printf("Error calling MPI_Init !!, => exiting \n") ; fflush(stdout);
>   return(1);
>  } else {
>   MPI_Finalize();  
>   printf("It's OK \n") ; fflush(stdout);
>  }
> 
> 
>> mpich2version 
> MPICH2 Version:    	1.4.1p1
> MPICH2 Release date:	Thu Sep  1 13:53:02 CDT 2011
> MPICH2 Device:    	ch3:nemesis
> MPICH2 configure: 	--prefix=//scratch/BC/mpich2-1.4
> MPICH2 CC: 	/usr/bin/gcc -m64   -O2
> MPICH2 CXX: 	c++ -m64  -O2
> MPICH2 F77: 	/usr/bin/f77   -O2
> MPICH2 FC: 	f95  
> 
> 
> 
> 
> 
> ---------------
> Bernard CHAMBON
> IN2P3 / CNRS
> 04 72 69 42 18
> 
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