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Add support for building MPAS on titan with cray and pgi #259

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mgduda merged 1 commit into from
Nov 6, 2014
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Add support for building MPAS on titan with cray and pgi #259

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14 changes: 14 additions & 0 deletions Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,20 @@ ftn:
"USE_PAPI = $(USE_PAPI)" \
"CPPFLAGS = $(MODEL_FORMULATION) -D_MPI -DUNDERSCORE" )

titan-cray:
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@mgduda mgduda Nov 5, 2014

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This appears to be a superset of the cray-nersc target, with the exception of the CC_SERIAL variable. Is there any chance that these two targets -- cray-nersc and titan-cray -- are compatible?

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@douglasjacobsen douglasjacobsen Nov 5, 2014

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The other main difference between titan-cray and cray-nersc is the FFLAGS_OPT. Most notable the -s integer32. But this also might be needed on cray-nersc eventually. I think we were building using cray 8.3.0 and 8.3.4 when this came up, but essentially crays compiler defaults to using integer_8 for all integers, which causes the esmf time library to not build because their division interfaces become redundant for integer_4 and integer*8.

( $(MAKE) all \
"FC_PARALLEL = ftn" \
"CC_PARALLEL = cc" \
"FC_SERIAL = ftn" \
"CC_SERIAL = gcc" \
"FFLAGS_OPT = -s integer32 -default64 -O3 -f free -N 255 -em -ef" \
"CFLAGS_OPT = -O3" \
"LDFLAGS_OPT = -O3" \
"CORE = $(CORE)" \
"DEBUG = $(DEBUG)" \
"USE_PAPI = $(USE_PAPI)" \
"CPPFLAGS = $(MODEL_FORMULATION) -D_MPI -DUNDERSCORE" )

pgi:
( $(MAKE) all \
"FC_PARALLEL = mpif90" \
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