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cluster:208 [2021/10/15 19:18]
hmeij07 [Changes]
cluster:208 [2021/10/15 19:29]
hmeij07 [Overview]
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 On the cpu resource requests: You may request 1 or more nodes, 1 or more sockets per node, 1 or more cores (physical) per socket or 1 or more threads (logical + physical) per core. Such a request can be fine grained or not; just request a node with ''--exclusive'' (test queue only) or share nodes (other queues, with ''--oversubscribe'') On the cpu resource requests: You may request 1 or more nodes, 1 or more sockets per node, 1 or more cores (physical) per socket or 1 or more threads (logical + physical) per core. Such a request can be fine grained or not; just request a node with ''--exclusive'' (test queue only) or share nodes (other queues, with ''--oversubscribe'')
  
-//Note: this oversubscribing is not working yet. I can only get 4 simultaneous jobs running. Maybe there is a conflict with Openlava jobs. Should isolate a node and do further testing. After isolation (n37), 4 jobs with -n 4 exhausts number of physical cores. Is that why 5th job goes pending?//  +//Note: this oversubscribing is not working yet. I can only get 4 simultaneous jobs running. Maybe there is a conflict with Openlava jobs. Should isolate a node and do further testing. After isolation (n37), 4 jobs with -n 4 exhausts number of physical cores. Is that why 5th job goes pending? Solved, see Changes section.//  
  
 ===== MPI ===== ===== MPI =====
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 sleep 60 sleep 60
 </code> </code>
 + 
 + --- //[[hmeij@wesleyan.edu|Henk]] 2021/10/15 15:18//
  
 \\ \\
 **[[cluster:0|Back]]** **[[cluster:0|Back]]**
  
cluster/208.txt ยท Last modified: 2022/11/02 17:28 by hmeij07