hi,
I have found the reason that cause the problem, when call MPI_Alltoall(v)
with many processes(300 for instanse), it will build lots of connections in
a very short space of time. This situation causes my network card drops lots
of packages including the 'syn' packages, as the result, the connec
I missed this email in my INBOX, sorry.
Can you be more specific about what exact error is occurring? You just say
that the application crashes...? Please send all the information listed here:
http://www.open-mpi.org/community/help/
On Apr 26, 2011, at 10:51 PM, 孟宪军 wrote:
> It seems th
It seems that the const variable SOMAXCONN who used by listen() system call
causes this problem. Can anybody help me resolve this question?
2011/4/25 孟宪军
> Dear all,
>
> As I mentioned, when I mpiruned an application with the parameter "np =
> 150(or bigger)", the application who used the MPI_Al
Dear all,
As I mentioned, when I mpiruned an application with the parameter "np =
150(or bigger)", the application who used the MPI_Alltoallv function would
carsh. The problem would recur no matter how many nodes we used.
The edition of OpenMPI: 1.4.1 or 1.4.3
The OS: linux redhat 2.6.32
BTW, my
