[MPICH] MPI_Reduce_scatter

Rajeev Thakur thakur at mcs.anl.gov
Sat Dec 22 00:00:39 CST 2007


1.0.2p1 is a very old version of MPICH2. Some memory leaks have been fixed
since then. Please try with the latest release, 1.0.6p1.

Rajeev 

> -----Original Message-----
> From: owner-mpich-discuss at mcs.anl.gov 
> [mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of Calin Iaru
> Sent: Friday, December 21, 2007 9:32 AM
> To: mpich-discuss at mcs.anl.gov
> Subject: [MPICH] MPI_Reduce_scatter
> 
> I am using PALLAS to stress MPI_Reduce_scatter. The error 
> reported after millions of inner loops is:
> 
> 3: MPI error  875666319 occurred
> 3: Other MPI error, error stack:
> 3: MPI_Reduce_scatter(1201): MPI_Reduce_scatter(sbuf=0x2aaaabdfb010,
> rbuf=0x2aaaac1fc010, rcnts=0x176e1850, MPI_INT, MPI_SUM, 
> comm=0x84000000) failed
> 3: MPIR_Reduce_scatter(372):
> 3: MPIC_Send(48):
> 3: MPIC_Wait(321):
> 3: MPIDI_CH3_Progress(115): Unable to make message passing progress
> 3: handle_read(280):
> 3: MPIDI_CH3U_Handle_recv_pkt(250): failure occurred while 
> allocating memory for a request object
> 3: aborting job:
> 3: application called MPI_Abort(MPI_COMM_WORLD, 875666319) - process 3
> 
> 
> The library is 1.0.2p1 and I would like to know if there are 
> some changes that would fix this issue.
> 
> Best regards,
>     Calin
> 
> 




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