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"Team Ada: Ada Advocacy Issues (83 & 95)" <[log in to unmask]>
"Kester, Rush W." <[log in to unmask]>
Fri, 25 Aug 2000 17:12:31 -0400
"Kester, Rush W." <[log in to unmask]>
text/plain (68 lines)
For an overview, see
Note that the SIGAda PIWG (Performance Issues Working Group)
links aren't much good as they point to the old Ada IC's
Falls Church address.
The Ada Compiler Evaluation Suite should be helpful, see

Rush Kester
Software Systems Engineer
AdaSoft at Johns Hopkins Applied Physics Lab.
email:  [log in to unmask]
phone: (240) 228-3030 (live M-F 9:30am-4:30pm, voicemail anytime)
fax:   (240) 228-6779

> -----Original Message-----
> From: [log in to unmask]
> [mailto:[log in to unmask]]
> Sent: Friday, August 25, 2000 4:03 PM
> To: [log in to unmask]
> Subject: aJile's Java chip (was Re: Senior Capstone Questions)
> Robert,
> I've attached some information from an aJile contact.  He also
> mentioned that Dave Hardin, their chief technical officer, will
> be at SigAda.
> --
> David
> --- begin e-mail excerpt ---
> > Has anyone run the J code output from an Ada compiler on this
> Yes.  So far I have only run a very simple app (e.g. hello,
> world) using
> JGNAT as the Ada compiler, which produces .class files as its output.
> The .class files then are processed by our static linker and formatted
> into a native JEM executable.
> > or a similar chip?
> There are only weak imitations of the JEM ;-)  Seriously, the JEM chip
> has several technical competitive advantages as well as the low power
> consumption advantages.
> > If so, how does it compare with a standard Ada executable on a
> > Pentium or a Sparc?
> I have not run any significant apps with JGNAT as of yet.  However,
> ACT is interested in having someone at aJile who is using JGNAT,
> so now might be a good time for me to put together some benchmark
> information.
> If you would like to point me to some "standard" Ada benchmarks,
> I would be willing to run them on our aJ-PC104 evaluation board and
> produce some timing information.
> I would be willing to carry on email correspondence with you and/or
> Robert Leif, but at the moment I don't have the time to get
> entangled in a Team-Ada discussion ... if I'm going to spend time
> on this, I would like to come up with some results that would be
> useful to aJile, ACT, the Ada community, and the Java community.