HydraNotes

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  • dat configuration file: /etc/dat.conf

This file contains the value that the env variable "DAPL_PROVIDER" should have. Right now, it's "ofa-v2-ib0"

  • MVAPICH 1 (as in MPI-1, not version):

/usr/local/mvapich

  • OpenMPI 1

/usr/local/OpenMPI-1.2.5

  • OpenMPI 1 (version 1.3, cvs head)

/usr/local/openmpi-1.3a1

  • ofed:

/usr/ofed-1.3 (which comes from /cluster/ofed-1.3 on 192.168.1.8, or admin, or hydra1)

  • A user must be in group "mpi" to run stuff over infiniband (due to permissions in /dev/infiniband)
  • The benchmarks used in the EuroPVM/MPI-08 paper are under: /home/danalis/Research/overlap/benchmarks
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