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Message #26237
Re: [Question #698388]: MPI with Clumps Particles
Question #698388 on Yade changed:
https://answers.launchpad.net/yade/+question/698388
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
I can imagine why it fails.
Do you confirm the problem without the motion engines?
Possible directions for solving the problem:
1- Assign the subdomains by yourself, making sure all members of one clump have the same domain assigned (though I suspect even this may not be enough)
2- (more a workaround) don't use clumps at all, instead make cohesive aggregates. You loose the enhanced performance of computing truly rigid clumps, but if you have hundreds of available cores it could still be a progress compared to openMP.
Cheers
Bruno
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