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8b293a289c
The line "setenv CFLAGS ...." caused an "undefined variable" error, so we commented it. Also, we use the mpich (romio) compiler for most of our tests, so we uncommented it, and at the same time commented out the "ibm mpi" compiler.
89 lines
3.5 KiB
Plaintext
89 lines
3.5 KiB
Plaintext
# How to create a parallel version of HDF5 on an IBM SP system
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# that uses MPI and MPI-IO.
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# Unfortunately, the configure/make process to create the parallel version of
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# HDF5 has not yet been automated to the same extent that the sequential
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# version has.
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# Read the INSTALL file to understand the configure/make process for the
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# sequential (i.e., uniprocess) version of HDF5.
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# The process for creating the parallel version of HDF5 using MPI-IO
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# is similar, but first you will have to set up some environment variables
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# with values specific to your local installation.
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# The relevant variables are shown below, with values that work for LLNL's
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# ASCI baby blue pacific SP as of the writing of these instructions (980210).
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# In addition to the environment variables, you _might_ also have to
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# create a new file in the config directory.
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# You will need to create this file only if the execution of the ./configure
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# program aborts with an error after printing the message
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# "checking whether byte ordering is bigendian..."
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#
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# If this is the case, create a new file in the config directory
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# whose name is of the form architecture-vendor-OSversion
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# (e.g., for baby blue pacific, this file is named powerpc-ibm-aix4.2.1.0)
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# and which contains the line
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# ac_cv_c_bigendian=${ac_cv_c_bigendian='yes'}
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# if the target architecture is bigendian, or
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# ac_cv_c_bigendian=${ac_cv_c_bigendian='no'}
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# otherwise.
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# Running the program ./bin/config.guess will print out the name
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# of the new file you must create.
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# Don't try to make a parallel version of HDF5 from the same hdf5 root
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# directory where you made a sequential version of HDF5 -- start with
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# a fresh copy.
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# Here are the flags you must set before running the ./configure program
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# to create the parallel version of HDF5.
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# (We use csh here, but of course you can adapt to whatever shell you like.)
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# compile for MPI jobs
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setenv CC "/usr/local/mpich-1.1.2+romio_lgfiles/bin/mpicc"
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#
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# next 4 for IBM mpi
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#
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#setenv CC /usr/lpp/ppe.poe/bin/mpcc_r
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#
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# for both
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#
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setenv MP_PROCS 1
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# These compiler flags work on ASCI baby blue pacific (IBM SP),
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# using IBM's MPI and Argonne's MPI-IO (ROMIO):
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# -DHAVE_FUNCTION compiler accepts __FUNCTION__ notation
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# -I/usr/local/mpio/include/ibm using ROMIO's MPI-IO header files
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#
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# The following flags are only needed when compiling/linking a user program
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# for execution.
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# -bI:/usr/include/piofs/piofs.exp this MPI-IO uses PIOFS file system
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# -L/usr /local/mpio/lib/ibm -lmpio link to this MPI-IO lib
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#
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#setenv CFLAGS "-D_LARGE_FILES $CFLAGS"
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# The configure/make process needs to be able to run some programs,
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# need to specify a processor pool.
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# Also, don't prepend the process id in the output of the programs
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# run by config/make.
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setenv MP_RMPOOL 0
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setenv MP_LABELIO no
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# Once these variables are set to the proper values for your installation,
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# you can run the configure program (i.e., ./configure)
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# to set up the Makefiles, etc.
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# After configuring, run the make as described in the INSTALL file.
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# Once the configuration is complete, you can set any of your
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# environment variables to whatever you like.
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# the files in the config directory, such as
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# config/powerpc-ibm-aix4.2.1.0
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# config/powerpc-ibm-aix4.x
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# config/powerpc-ibm-aix4.3.2.0
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# sometimes will need some help depending on subtlties of the installation
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# When compiling and linking your application, don't forget to compile with
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# mpcc and link to the MPI-IO library and the parallel version of the HDF5
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# library (that was created and installed with the configure/make process).
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