I ran a few benchmarks to compare the different JVM's out there, on the
SPEC benchmarks plus two of our internal benchmarks, sablecc (a parser
generator), and soot, a frozen version of our analysis framework.
Here are the results. These results are not scientific; in particular, I
only ran each benchmark once; usually we will run them five times. So
they should only be considered as an approximate measurement of the
performance of the various VM's.
Blackdown Sun Blackdown+javacomp
compress 66.01 70.45 70.75
db 146.54 112.34 153.66
jack 62.57 39.05 48.58
javac 71.08 46.71 58.39
jess 48.13 33.00 36.95
mpegaudio 57.95 59.27 58.59
mtrt 37.97 31.93 24.11
raytrace 51.61 30.99 32.49
sablecc-w 41.92 32.16 39.11
soot-j 132.19 92.76 107.88
Blackdown denotes Blackdown JDK1.2.2RC3.
Sun denotes Sun/Inprise JDK1.2.2RC1.
Blackdown+javacomp is Blackdown RC3, but using the javacomp JIT provided
with the Sun JDK.
Tests were run on a dual-processor PII/400 running kernel 2.2.8.
pat
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