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Viewing changes to Neptune/mpi_helper.rb

  • Committer: Chris Bunch
  • Date: 2010-10-19 14:58:29 UTC
  • Revision ID: cgb@cs.ucsb.edu-20101019145829-3e19bgd5v1c9zy33
added first run on profiling info for neptune as well as ability to view this data from load balancer

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Neptune/mpi_helper.rb
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    start_nfs(nodes)
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    sleep(5) # CGB
 
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    shadow = get_shadow
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    shadow_ip = shadow.private_ip
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    shadow_key = shadow.ssh_key
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    # copy code from shadow to my node, then to nfs
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    copyFromShadow("/tmp/thempicode")
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    sleep(1)
 
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    Djinn.log_run("rm -fv /mirrornfs/thempicode #{MPI_OUTPUT}")
 
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    unless my_node.is_shadow?
 
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      Djinn.log_run("rm -fv /tmp/thempicode")
 
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      copyFromShadow("/tmp/thempicode")
 
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    end
 
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    sleep(5)
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    Djinn.log_run("cp /tmp/thempicode /mirrornfs/")
 
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    sleep(5) # CGB
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    start_mpd(nodes)
 
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    sleep(5) # CGB
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    start_time = Time.now
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    Djinn.log_run("mpiexec -n #{nodes.length} /mirrornfs/thempicode > #{MPI_OUTPUT}")
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    mpd_hosts_contents << "#{node.private_ip}\n"
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  }
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  mpd_hosts_contents.chomp!
 
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  Djinn.log_debug("MPD Hosts are: #{mpd_hosts_contents}")
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  HelperFunctions.write_file(mpd_hosts_loc, mpd_hosts_contents) 
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  mpi_output = "/root/mpi-output-#{HelperFunctions.get_random_alphanumeric}"
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  # copy anything over to disabled host checking, which can otherwise cause
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  # mpdboot to fail
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  HelperFunctions.write_file("/tmp/garbage", "1902310201")