Re: Decrease JIT time

Hi!

> When you
> require improved startup performance with the JIT compiler, you can use
> CRTJVAPGM to create an optimized Java program object.

The interesting part in this mail is clearly the piece above..

   http://www.jguru.com/faq/view.jsp?EID=139331


http://publib.boulder.ibm.com/infocenter/iseries/v5r3/index.jsp?topic=/cl/crtjvapgm.htm


The iSeries / AS/400 stuff just never fails to amaze me! It is SUCH a
different world, it seems..! E.g. "Restrictions: The file must be in one
of the following file systems: QOpenSys,"root", or a user-defined file
system." .. m-kay..!


   ttp://archive.midrange.com/java400-l/200009/msg00074.html

   " Remember that AS/400 is an object-oriented system.
   What appears to be an ordinary Unix or DOS-style flat-file is
actually a persistent object.  Not a Java object or a C++ object,
but an object created, controlled, and maintained by OS/400.
   We exploited this in Java to enable a "covert" program to be
attached to what appears to be an ordinary .class or .zip file. "

...

   " Starting in V4R5, we also added the more ordinary "just in time"
(JIT) compile process, which creates some on-the-fly compiled
code, but CRTJVAPGM OPTIMIZE(40) produces better
code than the "JIT" process does.  JIT and CRTJVAPGM objects
can interoperate as well. "

Regards,
Endre.

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