gcj slower than JVM on RedHat/s390?

Andrew Haley aph@redhat.com
Wed Apr 2 17:04:00 GMT 2003


Andy Faibishenko writes:
 > I have a small test program which I use as a benchmarking tool. It
 > doesn't use 
 > threads/jdbc/etc.. - i.e. plain vanilla java code. When I compiled it
 > with GCJ I 
 > was surprised to find that it takes up almost TWICE as much CPU time as
 > the JVM 
 > version (as reported by the time command). I am trying to figure out
 > why this is.
The IBM JIT is astonishingly fast,
Andrew.


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