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#! /bin/sh
# How to create a parallel version of HDF5 on the Intel Asci Red System
# that uses MPI and MPI-IO.
# Read the INSTALL.ascired file to understand the configure/make process
# for the sequential (i.e., uniprocessor) version of HDF5.
# The process for creating the parallel version of HDF5 using MPI-IO
# is similar, but first you will have to set up some environment variables
# with values specific to your local installation.
# The relevant variables are shown below, with values that work for Sandia'a
# ASCI Red Tflops machine as of the writing of these instructions (980421).
# Don't try to make a parallel version of HDF5 from the same hdf5 root
# directory where you made a sequential version of HDF5 -- start with
# a fresh copy.
# Here are the flags you must set before running the ./configure program
# to create the parallel version of HDF5.
# (We use sh here, but of course you can adapt to whatever shell you like.)
# compile for MPI jobs
CC=cicc
# The following flags are only needed when compiling/linking a user program
# for execution.
#
debug="-g -UH5O_DEBUG -DH5F_OPT_SEEK=0"
default_mode="-DDOS386 $debug -DH5F_LOW_DFLT=H5F_LOW_SEC2"
MPICH="/usr/community/mpi-io/romio/mpich_1.1.0"
ROMIO="/usr/community/mpi-io/romio/current"
mpi1_inc="-I$MPICH/include"
mpi1_lib="-L$MPICH/lib/tflops/ptls"
mpio_inc="-I$ROMIO/include"
mpio_lib="-L$ROMIO/lib/tflops"
MPI_INC="$mpi1_inc $mpio_inc"
MPI_LIB="$mpi1_lib $mpio_lib"
CFLAGS="$default_mode"
export CC CFLAGS MPI_INC MPI_LIB
# Once these variables are set to the proper values for your installation,
# you can run the configure program (i.e., ./configure tflop --enable-parallel=mpio)
# to set up the Makefiles, etc.
# After configuring, run the make as described in the INSTALL file.
# When compiling and linking your application, don't forget to compile with
# cicc and link to the MPI-IO library and the parallel version of the HDF5
# library (that was created and installed with the configure/make process).
./configure tflop --enable-parallel=mpio
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