From 0f95311f4766d0af59590f40af3f8ee80d359d57 Mon Sep 17 00:00:00 2001 From: Bryan Herman Date: Sun, 29 Sep 2013 15:48:37 -0400 Subject: [PATCH] clarified HDF5 installation --- docs/source/usersguide/install.rst | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/docs/source/usersguide/install.rst b/docs/source/usersguide/install.rst index aa257592b7..84f7633c2f 100644 --- a/docs/source/usersguide/install.rst +++ b/docs/source/usersguide/install.rst @@ -71,13 +71,15 @@ Prerequisites To compile with support for HDF5_ output (highly recommended), you will need to have HDF5 installed on your computer. The installed version will need to have been compiled with the same compiler you intend to compile - OpenMC with. HDF5_ must be built with parallel I/O features. An example - of configuring HDF5_ is listed below:: + OpenMC with. HDF5_ must be built with parallel I/O features if you intend + to use HDF5_ with MPI. An example of configuring HDF5_ is listed below:: FC=/opt/mpich/3.0.4-gnu/bin/mpif90 CC=/opt/mpich/3.0.4-gnu/bin/mpicc \ ./configure --prefix=/opt/hdf5/1.8.11-gnu --enable-fortran \ --enable-fortran2003 --enable-parallel + You may omit '--enable-parallel' if you want to compile HDF5_ in serial. + * PETSc_ for CMFD acceleration To enable CMFD acceleration, you will need to have PETSc_ (3.4.2 or higher)