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Welcome to the HPC@SAO Wiki

What's New

  • Nov 25th 2014:
  • Nov 19th 2014:
  • Oct 21 2014:
  • Sep 22nd 2014:
    • Twelve new compute nodes (64c/256GB) have been acquired to upgrade Hydra's hardware.
    • Hydra's software will be updated (to Rocks 6.1.X) and Lattice will be merged with Hydra.
    • Upgrade plans for FY2015 are more compute nodes and a new NetApp filer to double disk capacity and improve I/O throughput.
  • Mar 15th 2014:
    • The OCIO/ORIS has purchased two new nodes with 24 cores and 504GB of memory each. They are currently configured as a separate machine, called Lattice.
      • These nodes are intended for jobs that requires a lot of memory.
      • Add'l information on Lattice is available here.
  • Nov 1st 2013:
    • The old compute nodes (4 cores/node, mostly in rack 0) will be decommissioned be over the next month or two;
    • They will be replaced by a few new compute nodes with extra memory to accommodate large memory jobs (with a higher limit).
  • Oct 2nd 2013:
    • mvapich2 v1.9 installed for PGI and GNU compilers (solves the zombie problem, but you must recompile your MPI/IB codes).
  • Jul 11th 2013:
    • New information on memory use:
    • Updated disk space info
    • Other updates/fixes

  • Check here for past news.


  • References to hydra (publications, proposals, etc) should mention the cluster as
the Smithsonian Institution High Performance Cluster (SI/HPC).


The following primers detail how to use the cluster:

Man Pages for Grid Engine Commands


  1. Queues
  2. Error Messages
  3. Compilers
  4. Disk Use
  5. S/W packages

Contact me (at hpc@cfa) to suggest/request other topics to cover or other questions to answer.

HPC Web Utilities

-- SylvainKorzennikHPCAnalyst - page created 12 Dec 2011

Topic revision: r53 - 2014-12-09 - SylvainKorzennikHPCAnalyst
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