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Increase memory size when using MaxFlex

Hamed Hani over 2 years ago

Hi,

I am trying to run Adams MaxFlex on an HPC. I run to a memory error with the following message:

Severity is 'USER FATAL MESSAGE' (1)

%1: 'because BUFFPOOL size exceeds MEMORY.'

%2: 'MEMORY= 20971520 words, BUFFPOOL= 58889 * (BUFFSIZE+10) = 3859997283 words, BUFFSIZE= 65537 words'

%3: 'Decrease BUFFPOOL or increase MEMORY.'

USER ACTION: Please contact your MSC representative.

The platform that I am using is Linux. Is there a way to increase the memory size before running the simulation using environment variables or any other way to resolve this issue without having access to the GUI?

Thanks,

Hamed

0 Alexis Del Rio over 2 years ago

Check the Adams Registry Editor where you can set memory size Huge for both AView/Preferences and ASolver/Preferences

Configuring Adams > Learning the Basics > Adams Registry Editor

In Windows is under Start > AdamsXXXXX > Settings and License
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0 Hamed Hani over 2 years ago

The platform that I am using is Linux. It is on the cloud. I don't have access to any kind of GUIs.
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0 MK202610123211 over 2 years ago

I haven't used MaxFlex on the HPC, yet, but A/Solver and A/Car.

If ANY background-mode start is required, this only works in v2023.3 and newer.

So first advice would be to use the latest version 2023.4

BTW: "On the cloud" rings a bell as we never got ADAMS 2022+ & RH8 working on virtual clients. (2021.2 and RH7 was half way working, though)

Do yourself a favor and use a physical hardware on your side of the desk.

If it's just the memory setting, that's easily done:

Modify your HPC scripts that a directory ~/.msca is created on the HPC node.

Then create a file named msca_2023.4.reg with this content:

[MSCA/ASolver/Preferences]

memSize=huge

Then try again.
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