dsmcFoamPlus becoming silent on cluster

gtarang · December 11, 2020, 11:02

Hi,
I am using dsmcFoamPlus from
https://github.com/MicroNanoFlows/Op...ee/devel-craig

However, I am facing some problems while running it in parallel.
First.. it is not able to to scale up for more than 1 node.
On many core cpu like 28 cores or 40 cores, the program becomes silent randomly.
I have tried changing decomposition strategy, tried changing the Openmpi version.

The other thing is our cluster has >gcc8.2 and >openmpi 3.
Recently I found that silent kill is there during serial runs also on cluster.

Any suggestion in troubleshooting it is appreciated.

Further, I am thinking to compile dsmcFoamPlus on OF6 or above? Has anyone tried it?

Regards
gtarang

lihuihh · December 17, 2023, 03:57

Hello, have you solved this problem? I'm having the same issue and it's bothering me.

December 11, 2020, 11:02	dsmcFoamPlus becoming silent on cluster	#1
gtarang Member Tarang Join Date: Feb 2011 Location: Delhi, India Posts: 47 Rep Power: 15	Hi, I am using dsmcFoamPlus from https://github.com/MicroNanoFlows/Op...ee/devel-craig However, I am facing some problems while running it in parallel. First.. it is not able to to scale up for more than 1 node. On many core cpu like 28 cores or 40 cores, the program becomes silent randomly. I have tried changing decomposition strategy, tried changing the Openmpi version. The other thing is our cluster has >gcc8.2 and >openmpi 3. Recently I found that silent kill is there during serial runs also on cluster. Any suggestion in troubleshooting it is appreciated. Further, I am thinking to compile dsmcFoamPlus on OF6 or above? Has anyone tried it? Regards gtarang R2P3 likes this.

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December 17, 2023, 03:57		#2
lihuihh New Member lihui Join Date: Apr 2022 Posts: 7 Rep Power: 4	Hello, have you solved this problem? I'm having the same issue and it's bothering me.