[CP2K-user] Any reference for MEMORY report section?

David Gunter da... at davidgunter.com
Tue Jul 2 16:55:57 UTC 2019


I am trying to understand memory usage of jobs I am running.

Is there a reference to what the terms in the output report are referring 
to?

Is 'MemTotal' the total memory available to an MPI rank or is it the total 
memory available on the node or is it something else?
What is 'MemFree'? 'Slab'?


 MEMORY| system memory details [Kb]
 MEMORY|                        rank 0           min           max      
 average
 MEMORY| MemTotal            264029412     264029412     264029412    
 264029412
 MEMORY| MemFree             247699840     247699840     247699840    
 247699840
 MEMORY| Buffers                     0             0             0          
   0
 MEMORY| Cached                6903260       6903260       6903260      
 6903260
 MEMORY| Slab                   922056        922056        922056        
922056
 MEMORY| SReclaimable           331328        331328        331328        
331328
 MEMORY| MemLikelyFree       254934428     254934428     254934428    
 254934428

-david
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