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Difference between revisions of "HPE Hawk News"

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* '''2020/11/27:''' If your job breaks with "IB timeout"-messages, this might be due to crashed nodes, although one would suspect problems with InfiniBand network due to the message. There are still various reasons why nodes might be crashed.
 
* '''2020/11/27:''' If your job breaks with "IB timeout"-messages, this might be due to crashed nodes, although one would suspect problems with InfiniBand network due to the message. There are still various reasons why nodes might be crashed.
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* '''2021/03/05:''' Please have in mind that the nodefiles (available via $PBS_NODEFILE) may currently contain nodes in an _unsorted_ manner! In order to increase the performance of communication, it's probably beneficial to sort the node file (with the -V flag) and provide the _sorted_ Version to mpirun!

Latest revision as of 11:45, 5 March 2021

  • 2020/11/19: If your job breaks with
       MPT ERROR: MPI_COMM_WORLD rank <x> has terminated without calling MPI_Finalize()
       aborting job 
       MPT: Received signal 9

changes are good that it was due to running out of memory (i.e. your jobs tried to access more memory than available on one of the nodes). We are currently working towards providing you with a more specific error message in this case.

  • 2020/11/27: If your job breaks with "IB timeout"-messages, this might be due to crashed nodes, although one would suspect problems with InfiniBand network due to the message. There are still various reasons why nodes might be crashed.
  • 2021/03/05: Please have in mind that the nodefiles (available via $PBS_NODEFILE) may currently contain nodes in an _unsorted_ manner! In order to increase the performance of communication, it's probably beneficial to sort the node file (with the -V flag) and provide the _sorted_ Version to mpirun!