> -----Original Message-----
> From: IBM Mainframe Discussion List 
> [mailto:[EMAIL PROTECTED] On Behalf Of Kirk Wolf
> Sent: Wednesday, January 02, 2008 11:48 AM
> To: [email protected]
> Subject: Re: The Line, the Bar, Java, LPA, etc.
> 
> 
> True: A "compiled Java application" consists of .class files 
> or .jar files
> (zip files) containing
> .class files.   The .class files contain byte codes which can 
> be interpreted
> by the Java virtual machine (JVM).
> 
> But:  all modern Java virtual machines includes a just-in-time (JIT)
> compiler, which dynamically
> translates byte codes for frequently used methods into native machine
> instructions.
> So, everyone who insists that "Java is slow" because it is 
> interpreted....
> look for other reasons :-)
> 
> So, it is interesting to ask whether the machine-code created 
> by JIT could
> be in LPA.
> The current JVM does not support this, since this machine code is
> dynamically created and not really shareable.
> 
> Kirk Wolf
> Dovetailed Technologies

Do you know if IBM has ported their "jikes" Java compiler to z? If so, I
wonder if the output from that could be LPA resident.

--
John McKown
Senior Systems Programmer
HealthMarkets
Keeping the Promise of Affordable Coverage
Administrative Services Group
Information Technology

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