Compile times and run times for benchmarks run with gcc-3.4.3 and gcc-4.0.0 20041112, on a 2GHz PowerPC G4 Mac with Gambit-C 4.0 beta 11.

Run times and compile times are in seconds. Other compile options were

gcc -I../../../include -O1 -fno-math-errno -fschedule-insns2 -fno-trapping-math -fno-strict-aliasing -fomit-frame-pointer -D___SINGLE_HOST -o $1 $1.c $1_.c ../../../lib/libgambc.a -lm -ldl -lncurses

Benchmark name gcc-3.4.3 (disable-checking) gcc-4.0.0 (disable-checking)
boyer 1.50 0.34 0.06 FAIL
browse 0.96 1.64 0.07 FAIL
cpstak 0.61 0.52 0.66 0.49
ctak 0.62 0.57 0.71 0.57
dderiv 0.67 2.18 0.05 FAIL
deriv 0.63 1.93 0.74 2.13
destruc 0.66 0.71 0.04 FAIL
diviter 0.62 0.49 0.65 0.59
divrec 0.59 0.91 0.06 FAIL
fft 0.57 1.13 0.69 1.16
puzzle 0.78 0.58 0.07 FAIL
tak 0.59 0.63 0.03 FAIL
takl 0.60 0.66 0.04 FAIL
trav1 0.90 0.39 1.13 0.42
trav2 0.83 1.96 1.15 2.02
triangl 0.70 1.43 0.03 FAIL
ack 0.42 0.73 0.61 0.72
array1 0.61 2.78 0.63 3.12
cat 0.54 2.19 0.65 2.45
string 0.57 1.98 0.69 1.97
sum1 0.61 2.26 0.66 2.12
sumloop 0.52 0.38 0.61 0.38
tail 0.62 0.34 0.66 0.25
wc 0.57 1.09 0.03 FAIL
conform 2.03 0.92 0.13 FAIL
earley 1.69 0.73 0.20 FAIL
fib 0.50 1.41 0.05 FAIL
fibfp 0.53 0.35 0.02 FAIL
maze 1.74 0.41 0.12 FAIL
mazefun 1.21 1.04 0.06 FAIL
mbrot 0.59 0.40 0.67 0.39
nucleic 4.61 0.34 0.51 FAIL
paraffins 1.05 2.09 0.06 FAIL
peval 2.39 1.30 0.12 FAIL
pi 1.22 1.32 1.63 1.32
pnpoly 0.64 0.38 0.04 FAIL
ray 1.02 0.54 0.07 FAIL
scheme 5.08 0.46 0.19 FAIL
simplex 1.00 0.30 0.08 FAIL
slatex 6.91 0.86 0.32 FAIL
sum 0.51 1.48 0.63 1.47
sumfp 0.54 3.67 0.57 4.43
tfib 0.51 0.94 0.56 0.93