On Wed, 3 Sep 2003, guw wrote: > I write a JAVA programme and compile it with GCJ. then I compare > GCJ's performance with JVM'performance,but I discover that the procedure > to be GCJ compiled is slower than JVM. Your example is more of a comparison of runtime performance than compiler optimization. From your results one might conclude that the JVM has a better MD-5 implementation than libjava, but little else. Jeff