[Opm] Opm Digest, Vol 33, Issue 5

Thu Sep 27 07:47:02 UTC 2018

Hi David,

Just ran a test over here on Red Hat 6. The case runs, but memory consumption seems to be in the order of 5GB. Are you sure your VM has enough memory?

Cheers,
Alf

From: Opm <opm-bounces at opm-project.org> On Behalf Of David Baxendale (Private)
Sent: 27. september 2018 02:56
To: opm at opm-project.org
Subject: Re: [Opm] Opm Digest, Vol 33, Issue 5

Markus,

I tried running this deck in sequential mode in an Ubuntu VM and it just fails:

david at EIPC02-VirtualBox:/media/sf_Linux/OPM-Flow/spe10model2$ flow SPE10_MODEL2.DATA
**********************************************************************
*                                                                    *
*                        This is flow 2018.04                        *
*                                                                    *
* Flow is a simulator for fully implicit three-phase black-oil flow, *
*             including solvent and polymer capabilities.            *
*          For more information, see https://opm-project.org          *
*                                                                    *
**********************************************************************

Killed
david at EIPC02-VirtualBox:/media/sf_Linux/OPM-Flow/spe10model2$

I ran under strace and got

david at EIPC02-VirtualBox:/media/sf_Linux/OPM-Flow/spe10model2$ tail SPE_MODEL2A.LOG
mprotect(0x7f48f54a4000, 4096, PROT_READ|PROT_WRITE) = 0
mprotect(0x7f48f54a5000, 4096, PROT_READ|PROT_WRITE) = 0
mprotect(0x7f48f54a6000, 4096, PROT_READ|PROT_WRITE) = 0
mprotect(0x7f48f54a7000, 4096, PROT_READ|PROT_WRITE) = 0
mprotect(0x7f48f54a8000, 4096, PROT_READ|PROT_WRITE) = 0
mprotect(0x7f48f54a9000, 4096, PROT_READ|PROT_WRITE) = 0
mprotect(0x7f48f54aa000, 4096, PROT_READ|PROT_WRITE) = 0
mprotect(0x7f48f54ab000, 4096, PROT_READ|PROT_WRITE) = 0
mprotect(0x7f48f54ac000, 4096, PROT_READ|PROT_WRITE <unfinished ...>
+++ exited with 65 +++
david at EIPC02-VirtualBox:/media/sf_Linux/OPM-Flow/spe10model2$

So something is amiss here.

Regards,

OPMUSER

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Today's Topics:

   1. MPI Parallel OPM Flow - SPE 10 Model 2 Hangs (sindimo)

   2. Re: MPI Parallel OPM Flow - SPE 10 Model 2 Hangs (Markus Blatt)

----------------------------------------------------------------------

Message: 1

Date: Tue, 25 Sep 2018 21:30:26 -0400

From: sindimo <sindimo at gmail.com><mailto:sindimo at gmail.com>

To: opm at opm-project.org<mailto:opm at opm-project.org>

Subject: [Opm] MPI Parallel OPM Flow - SPE 10 Model 2 Hangs

Message-ID:

  <CACOQo+KnJeEH_5oF91C5uaBkZbx4-HsF3BoUx+kXOdggSOSbfQ at mail.gmail.com><mailto:CACOQo+KnJeEH_5oF91C5uaBkZbx4-HsF3BoUx+kXOdggSOSbfQ at mail.gmail.com>

Content-Type: text/plain; charset="utf-8"

Hi,

I am running OPM Flow with MPICH MPI on RedHat 7 (installed via yum through

OPM repo, version 2018.04).

I am able to successfully run in parallel  some of the test models  (norne,

spe5, spe9), however spe10model2 always hangs when I try to launch it. It

seems it hangs during the cell partitioning as below. It just partially

does the partitioning on a subset of the processes only (example below

where I have 4 processes and it hangs after doing 2 partitions, I've also

tried with 8 processors and it shows similar behavior). Any help with this

is much appreciated as I need to run SPE10 for some work I am doing, many

thanks!

Sincerely,

Mohamad

 mpirun  -np 4 /usr/lib64/mpich/bin/flow    SPE10_MODEL2.DATA

output_dir=out_parallel

**********************************************************************

*                                                                    *

*                        This is flow 2018.04                        *

*                                                                    *

* Flow is a simulator for fully implicit three-phase black-oil flow, *

*             including solvent and polymer capabilities.            *

*          For more information, see https://opm-project.org          *

*                                                                    *

**********************************************************************

After loadbalancing process 0 has 322630 cells.

After loadbalancing process 3 has 340338 cells.

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------------------------------

Message: 2

Date: Wed, 26 Sep 2018 10:10:26 +0200

From: Markus Blatt <markus at dr-blatt.de><mailto:markus at dr-blatt.de>

To: opm at opm-project.org<mailto:opm at opm-project.org>

Subject: Re: [Opm] MPI Parallel OPM Flow - SPE 10 Model 2 Hangs

Message-ID: <20180926081026.GB3152 at smaug<mailto:20180926081026.GB3152 at smaug>>

Content-Type: text/plain; charset=iso-8859-1

Hi

On Tue, Sep 25, 2018 at 09:30:26PM -0400, sindimo wrote:

I am running OPM Flow with MPICH MPI on RedHat 7 (installed via yum through

OPM repo, version 2018.04).

I am able to successfully run in parallel  some of the test models  (norne,

spe5, spe9), however spe10model2 always hangs when I try to launch it. It

seems it hangs during the cell partitioning as below. It just partially

does the partitioning on a subset of the processes only (example below

where I have 4 processes and it hangs after doing 2 partitions, I've also

tried with 8 processors and it shows similar behavior). Any help with this

is much appreciated as I need to run SPE10 for some work I am doing, many

thanks!

May I ask what work that is?

So you are using a release (even of a target distribution). That is a bit weired.

Unfortunately I do not have access to such a system and cannot be of much help here.

Maybe somebody else can do a quick test?

But I did a quick test with the current master on my system and it works with 4 processes.

So if nobody else can help you, then you might want to checkout master and compile

OPM yourself.

Cheers,

Markus

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