From be4198eb4146dbcd7a380b7fb48980c73b518c74 Mon Sep 17 00:00:00 2001
From: Mohamad Chaarawi <chaarawi@hdfgroup.org>
Date: Wed, 27 Mar 2013 17:06:16 -0500
Subject: [svn-r23470] update INSTALL_parallel with build instructions for
 Hopper.

---
 release_docs/INSTALL_parallel | 67 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)

diff --git a/release_docs/INSTALL_parallel b/release_docs/INSTALL_parallel
index eacaf68..03b3ecf 100644
--- a/release_docs/INSTALL_parallel
+++ b/release_docs/INSTALL_parallel
@@ -186,6 +186,73 @@ TOOLTEST tgroup-1.ls 1 -w80 -r -g tgroup.h5
 echo SKIP TOOLTEST tgroup-1.ls 1 -w80 -r -g tgroup.h5
 ======== end of bypass ========
 
+2.5. Hopper (Cray XE6) (for v1.8 and later)
+-------------------------
+
+2.5.1 Building HDF5 for Hopper
+------------------------------------------ 
+The following steps are for building HDF5 for the Hopper compute
+nodes.  They would probably work for other Cray XE6 systems but have
+not been verified.
+
+Obtain a copy from the HDF ftp server:
+http://www.hdfgroup.org/ftp/HDF5/current/src/
+(link might change, so always double check the HDF group website).
+
+$ wget http://www.hdfgroup.org/ftp/HDF5/current/src/hdf5-x.x.x.tar.gz
+
+unpack the tarball
+
+$ cd hdf5-x.x.x/
+$ CC=cc FC=ftn ./configure \
+--prefix=/project/hdf5/hdf5 --enable-parallel --enable-fortran \
+--disable-shared --disable-production 
+$ make 
+
+Run make check. make check should be run on the compute nodes, not the
+front end nodes.  So using a PBS batch script, allocate 4 or more
+cores. Always consult with the machine's website on how to create PBS
+scripts and allocate nodes for your job. For Hopper, all the
+information can be found on:
+http://www.nersc.gov/systems/hopper-cray-xe6/
+
+save the PBS script into your HDF5 build directory. The PBS script
+should contain (besides the PBS node allocation requests)the
+following:
+
+--------------------------------------------------------------
+cd $PBS_O_WORKDIR
+
+##set RUNSERIAL and RUNPARALLEL like this in the PBS script:
+export RUNPARALLEL="aprun -n 6"
+export RUNSERIAL="aprun -n 1"
+
+##execute make check:
+make check
+--------------------------------------------------------------
+
+Once the job runs and all is well, install the binary:
+$ make install
+
+2.5.2 Hopper known issues
+------------------------------
+Sometimes when building the library with make, you might get this problem:
+
+LD_LIBRARY_PATH="$LD_LIBRARY_PATH`echo | \
+sed -e 's/-L/:/g' -e 's/
+//g'`" \
+./H5make_libsettings > H5lib_settings.c
+|| \
+(test $HDF5_Make_Ignore && echo "*** Error ignored")
+|| \
+(rm -f H5lib_settings.c ; exit 1)
+/bin/sh: line 4: 9644 Segmentation fault
+LD_LIBRARY_PATH="$LD_LIBRARY_PATH`echo | sed -e 's/-L/:/g' -e 's/
+//g'`" ./H5make_libsettings > H5lib_settings.c
+
+If that happens, you are probable running with make -j <x>. In that
+case, you need to cleanup everything and start again as detailed above
+but use serial make (do not use -j <x>).
 
 3. Detail explanation
 ---------------------
-- 
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