/[MITgcm]/MITgcm/tools/build_options/linux_amd64_open64
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revision 1.4 by jmc, Fri Aug 19 22:48:06 2011 UTC revision 1.5 by jmc, Sun Apr 1 20:56:21 2012 UTC
# Line 55  if test "x$IEEE" = x ; then     #- with Line 55  if test "x$IEEE" = x ; then     #- with
55     #- full optimisation     #- full optimisation
56     # ("-Ofast" eqv "-O3 -ipa -OPT:Ofast -fno-math-errno -ffast-math" and "-OPT:Ofast"     # ("-Ofast" eqv "-O3 -ipa -OPT:Ofast -fno-math-errno -ffast-math" and "-OPT:Ofast"
57     #  eqv to "-OPT:roundoff=2 -OPT:Olimit=0 -OPT:div_split=ON -OPT:alias=typed")     #  eqv to "-OPT:roundoff=2 -OPT:Olimit=0 -OPT:div_split=ON -OPT:alias=typed")
58      FOPTIM='-Ofast -LNO:fusion=2 -OPT:roundoff=1:IEEE_arithmetic=3'     #FOPTIM='-Ofast -OPT:roundoff=1:IEEE_arithmetic=3 -LNO:fusion=2'
59        FOPTIM='-O3 -OPT:Ofast:roundoff=1:IEEE_arithmetic=3 -ffast-math -LNO:fusion=2'
60     #- high optimisation (-O3), might find Pb with few S/R; fully safe: switch to -O2:     #- high optimisation (-O3), might find Pb with few S/R; fully safe: switch to -O2:
61     #FOPTIM='-O3 -LNO:fusion=2 -OPT:roundoff=1:IEEE_arithmetic=3'     #FOPTIM='-O3 -OPT:roundoff=1:IEEE_arithmetic=3 -LNO:fusion=2'
62  else  else
63    if test "x$DEVEL" = x ; then  #- no optimisation + IEEE :    if test "x$DEVEL" = x ; then  #- no optimisation + IEEE :
64      FOPTIM='-O0 -OPT:roundoff=0:IEEE_arithmetic=1 -fmath-errno -fno-fast-math'      FOPTIM='-O0 -OPT:roundoff=0:IEEE_arithmetic=1 -fmath-errno -fno-fast-math'
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