how to improve CP2K scaling for small systems

[labicia]

Good morning,

>> could you give information about the interconnects between the nodes? 

The problem is not in the inter-machine (i.e., among nodes) connections: 
the processors are all located on the same computing node, moreover the 
same problem happens also in a node having only one processor when varying 
the number of cores used

Thanks for the answer!
Marco e Andrea

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