Raspberry Pi + JavaFX 3D demo
niklas at therning.org
Fri Jul 12 08:11:22 PDT 2013
RoboVM doesn't do release builds yet (virtually none of LLVM's
optimizations are enabled) and virtual and interface method dispatch is
horribly slow (linear search on every call!!!). So there are A LOT of
opportunities for improvements. The focus so far has been to get something
up and running which can actually be used to make apps. I hope I will get
the time to optimize things later this year.
Is this demo open source? It would be interesting to test it on iOS.
On Fri, Jul 12, 2013 at 5:03 PM, Richard Bair <richard.bair at oracle.com>wrote:
> BTW, we've run a VM performance benchmark against HotSpot on PI vs. RoboVM
> on iOS and for raw power RoboVM seems faster (lower time to invoke a
> method, read a field, etc etc). However in the real world RoboVM is slow
> and I don't know why (GC overhead maybe)?
> On Jul 12, 2013, at 7:52 AM, Richard Bair <richard.bair at oracle.com> wrote:
> > That should be encouraging, since the CPU on the PI is *way* worse than
> the CPU on an iPhone or iPad. Is the difference HotSpot vs. RoboVM? The
> graphics code being executed should be pretty much exactly the same, and I
> would expect the PowerVR to be able to handle this without any trouble.
> > Richard
> > On Jul 12, 2013, at 7:14 AM, Tobias Bley <tobi at ultramixer.com> wrote:
> >> The performance is much better than JavaFX8 on iOS :(
> >> Am 12.07.2013 um 15:37 schrieb August Lammersdorf, InteractiveMesh <
> sdn at interactivemesh.com>:
> >>> Found this on YouTube: http://www.youtube.com/watch?v=-scxqJjTJKI
> >>> August
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