/[MITgcm]/MITgcm/tools/build_options/linux_amd64_ifort_beagle
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Contents of /MITgcm/tools/build_options/linux_amd64_ifort_beagle

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Revision 1.3 - (show annotations) (download)
Thu Oct 15 23:06:32 2009 UTC (14 years, 5 months ago) by jahn
Branch: MAIN
CVS Tags: checkpoint62, checkpoint62c, checkpoint62b, checkpoint62a, checkpoint61z, checkpoint61x, checkpoint61y
Changes since 1.2: +4 -2 lines
switch to -O2 and add comment on options for exact 2+2=4

1 #!/bin/bash
2 #
3 # $Header: /u/gcmpack/MITgcm/tools/build_options/linux_amd64_ifort_beagle,v 1.2 2009/09/23 18:38:33 jmc Exp $
4 # $Name: $
5 #
6 # These are the build options used with the Intel 10.x compiler for
7 # testing on Beagle without mpi.
8 #
9 # Use after
10 #
11 # module add darwin
12 # module add mitgcm
13 #
14 # (tested with darwin/20090605 mitgcm/20090605, i.e.,
15 # intel/10.0.025 mx/1.0 netcdf/3.6.2/intel-10.0.025 mpich-mx/1.2.7..7/intel-10.0.025)
16 #
17 # These modules set FFLAGS, CFLAGS and CPPFLAGS for mpich and netcdf.
18 #
19 # The SGE -V option for exporting environment variables may also be
20 # helpful if you encounter missing-library problems. Or,
21 # alternatively, one may choose to link with one of the intel
22 # "-static" or "-i-static" flags.
23
24 FC='ifort'
25 CC='icc'
26 #F90C='mpif90 -fixed -c '
27 LINK='ifort'
28 # the netcdf module sets CPPFLAGS, LDFLAGS and FFLAGS
29 INCLUDES="$CPPFLAGS"
30 # -shared-intel needed with netcdf (namespace conflict???)
31 LIBS="$LDFLAGS -shared-intel"
32
33 # -DIFORT turns on ifort-specific declarations in darwin (RAND is not an intrinsic)
34 DEFINES='-DWORDLENGTH=4 -DIFORT'
35 CPP='cpp -traditional -P'
36 EXTENDED_SRC_FLAG='-132'
37 #OMPFLAG='-openmp'
38
39 NOOPTFILES='mds_byteswapr8.F mds_byteswapr4.F mds_byteswapi4.F mom_calc_ke.F mon_ke.F'
40
41 if test "x$IEEE" = x ; then
42 # No need for IEEE-754
43 NOOPTFLAGS='-O2'
44 # use this for exact checkpointing (slightly slower):
45 # FOPTIM='-O2 -pc64 -mieee-fp -align'
46 FOPTIM='-O2 -align'
47 # ifort options:
48 # -132 fixed-form line length is 132 characters
49 # -r8 REAL is REAL*8
50 # -i4 INTEGER is INTEGER*4
51 # -w95 don't warn about use of Fortran 95 extensions
52 # -W0 disable all warning messages
53 # -WB turns a compile-time bounds check error into a warning
54 # -xT optimize for Intel Core2 and Xeon 51xx
55 # -fno-alias don't assume aliasing (assume that different variables DON'T refer to the same memory location)
56 # -assume byterecl record length in OPEN statements is in bytes
57 # -convert big_endian binary files contain big-endian data
58 FFLAGS="$FFLAGS -r8 -i4 -w95 -W0 -WB -xT -fno-alias -assume byterecl -convert big_endian"
59 else
60 # Try to follow IEEE-754
61 NOOPTFLAGS='-O0'
62 # FOPTIM='-O0 -noalign -CA -CB -CU -CV -CS'
63 FOPTIM='-O0 -noalign'
64 # -pc64 round floating point values to 64 bits
65 # one could also try
66 # -mp maintain precision
67 FFLAGS="$FFLAGS -pc64 -r8 -i4 -w95 -W0 -WB -xT -fno-alias -assume byterecl -convert big_endian"
68 fi
69 #F90FLAGS=$FFLAGS
70 #F90OPTIM=$FOPTIM
71
72 NOOPTFILES=$NOOPTFILES' mds_byteswap.F'

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