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Date: Wed, 25 Jun 2014 22:54:47 +0200
From: Marco Atzeri <marco.atzeri@gmail.com>
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To: "cygwin@cygwin.com" <cygwin@cygwin.com>
CC: s.veremieiev@gmail.com
Subject: process limit on cygwin 64bit
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Sergii,
kudos, I am really impressed by your usage of cygwin.

I am redirecting your question to the cygwin list
as it is more likely to find there an answer to process
limit on cygwin 64.

Regards
Marco


-------- Original Message --------
Subject: 	[OMPI users] Fwd: openmpi linking problem
Date: 	Wed, 25 Jun 2014 18:19:50 +0100
From: 	Sergii Veremieiev
Reply-To: 	Open MPI Users


Dear Sir/Madam,

I'm trying to run a parallel finite element analysis 64-bit code on my
desktop with Windows 7, Cygwin, Open MPI 1.7.5, 64Gb RAM and 6-core
Intel Core i7-3930K CPU via "mpirun -np 6 executable" command. The code
runs fine, but if I increase the number of elements to a critical one
(roughly more than 100k) the built-in Mumps library returns an error
message (please see below). Can you possibly advise me what can be a
problem? I have checked in Task Manager the code is using about 3-6Gb
per process or about 20Gb in total, that is much smaller than the amount
of physical memory available on the system 55Gb. Is there possibly a
memory limit in Windows available per process? Thank you.

Best regards,

Sergii


mpirun has exited due to process rank 1 with PID 6028 on
node exiting improperly. There are three reasons this could occur:

1. this process did not call "init" before exiting, but others in
the job did. This can cause a job to hang indefinitely while it waits
for all processes to call "init". By rule, if one process calls "init",
then ALL processes must call "init" prior to termination.

2. this process called "init", but exited without calling "finalize".
By rule, all processes that call "init" MUST call "finalize" prior to
exiting or it will be considered an "abnormal termination"

3. this process called "MPI_Abort" or "orte_abort" and the mca parameter
orte_create_session_dirs is set to false. In this case, the run-time cannot
detect that the abort call was an abnormal termination. Hence, the only
error message you will receive is this one.

This may have caused other processes in the application to be
terminated by signals sent by mpirun (as reported here).

You can avoid this message by specifying -quiet on the mpirun command line.


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