In case anyone is interested, here are the improvements
we see in the Polyhedron 2005 fortran benchmarks in the
various gcc releases in fink (as measured on a MacPro).
gcc release
gcc 4.2.4 gcc 4.3.3 gcc 4.4-pre gcc 4.3.3/ gcc 4.4-pre/
gcc 4.2.4 gcc 4.2.4
ac 15.32 13.04 12.65 0.851 0.826
aermod 22.96 26.65 25.52 1.161 1.111
air 8.15 7.58 7.10 0.930 0.871
capacita 52.16 52.45 49.56 1.006 0.950
channel 5.17 3.39 1.81 0.656 0.350
doduc 34.43 34.89 35.28 1.013 1.025
fatigue 12.57 10.92 10.13 0.869 0.806
gas_dyn 13.59 7.68 7.63 0.565 0.561
induct 28.61 48.46 14.88 1.694 0.520
linpk 15.46 15.48 15.50 1.001 1.003
mdbx 12.41 12.94 12.36 1.043 0.996
nf 27.08 27.25 25.50 1.006 0.942
protein 41.61 41.18 39.12 0.990 0.940
rnflow 35.37 32.58 30.68 0.921 0.867
test_fpu 11.94 10.79 10.50 0.904 0.879
tfft 2.13 2.11 2.08 0.991 0.977
There are also some improvements to be had by compiling in gcc44
with -fgraphite-identity -floop-block in certain cases (20% or so).
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