On Tue, Sep 28, 1999 at 04:30:33PM -0500, Burkhart,Kelly wrote:
> <showing my ignorance>
>
> What performance does a JIT improve? Are you talking about the time to run
> an uncompiled application with this JIT vs. another JIT (i.e. performance
> improvement is in the JIT compilation not in running the application)? Or
> are you saying that the compiled code from this JIT is faster than the
> comiled code from javac or jikes?
A JIT compiles in memory, on-the-fly, Java bytecode into machine
code. The result is, for code that is executed more than once, a big
improvement in execution speed of your applications. The javac
compiler is itself a Java application, using a JIT will improve
compilation time as well.
--Paolo
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