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I have the same problem, I'm running 3D simulations on cluster with 120 Gb RAM. For the small meshes (200 000 elements) everything works perfectly, but if I'm trying to increase number of elements (6 mllion or more) I am getting the same error=-2 durig factorithation. I'm using default values of iparm and solving symmetric indefinite matrix. May be you know what it could be and how to resolve this problem?
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Unfortunately I wasn't able to solve the problem, so I can't really help you with your problem...
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Hi,
I have solved your problem but I made some changes in your test (see Attachments). Also you could try to use out of core version of Pardiso( iparm[59] = 2 ) or your could try to reduce the number of threads because for big number of threads it requires more additional memory.
Regards,
Roman
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Hi Roman, I am running into the same problem and am wondering what changes you made to solve this problem? It seems there is no good standard solution anywhere on the internet. Thanks a ton! Felix
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Hi,
Please create a separate post about your particular problem. The overall problem defintion is quite general and the observed error can be caused by different reasons.
Also, please, provide more details about your use case: MKL version, size of the matrix, msglvl output, your iparm settings, your hardware, and what you see exactly. Ideally, a standalone reproducer would be the best as we can then check what exactly happens rather than give you some general piece of advice.
Best,
Kirill
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Thanks a lot!
Pau

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