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

[Darius Buntinas]

Err...this patch.

-d
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On Jan 19, 2012, at 2:54 PM, Darius Buntinas wrote:

> 
> 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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>