lol not quite, been meaning to upgrade :( On Tue, Apr 26, 2011 at 5:50 PM, Michael Iv <[email protected]> wrote:
> Well Jesse with such a machine I think you ca launch even rockets into > space . > > Sent from my iPhone > > On Apr 26, 2011, at 11:40 PM, Jesse Nicholson <[email protected]> > wrote: > > I tested the demo and it works fantastic. Solid full FPS. I have core > i7 2.4 ghz 6 gb tri channel ddr3, gtx260 SSD. People we have to > remember here that we're now entering into the realm of 3D gaming. If > your system doesn't perform that great with current 3D games/graphics > it's not going to perform that great for flash 3D. > > Also, this demo compared to something similar in jiblib for flash > makes it even more amazing. I believe the jiblib version was pulled > because it ran so incredibly bad (could be mistaken, but it > disappeared on me not long after seeing it released). Anyway like I > said, solid on my machine, great work this is a beautiful, boxed up > physics lib for flash and I believe will be the best all round lib for > flash 3D. Bullet is used in so main mainstream applications, even > movies (where 3D anim has come in). I'm working on something to add on > to this that's going to make for a real awesome workflow with away3d + > bullet but I'll post something when I actually have a demo. :) > > On Apr 26, 4:01 pm, Michael Iv <[email protected]> wrote: > > Yes that is correct.I did it for the sake of the test .The same loop was > > done also in the other cases.Now I don't try to blame your engine as I even > > haven't seen its internals.The only thing I noticed in the demo was the FPS > > that was not impressive.I hope you invest a lot in optimizations.I used to > > work with JigLib before the Molehill version and as you probably know its > > performance was pretty bad .I plan to find time to write a benchmark for > > your engine and JiglIb to see the differences. > > Regards, > > Michael > > > > > > > > > > > On Tue, Apr 26, 2011 at 10:08 PM, ringodotnl <[email protected]> wrote: > > Hey Michael, > > > I did look at your article and what I can see, correct me if I am > > wrong, is that you are calling the function from as3 to alchemy > > xxxxxxx times. > > > while(i<1000000){ > > > dd=lib.InvSqrt(1245); > > ++i; > > } > > > That would explain why it is slow, that's something we try to avoid > > with Bullet (a good example is to look how the transforms are done). > > > On Apr 26, 12:03 pm, Michael Iv <[email protected]> wrote: > > Sorry guys I am not sure I am right but I can't see any awesome > > performance > > here.In my browser Firefox 4 it runs around 25-30 fps when I start firing > > the balls. > > Also would like to note that Alchemy bridge is not always faster contrary > > to > > what people may think.I made a benchmark of square root algorithms > > calculations in Flash a couple of months ago.You can read about it here: > > http://blog.alladvanced.net/2011/02/21/square-root-calculation-speed-... > > basically I tried the built in Math.sqrt ,Fast Inverse square root > > algorithm developed by ID for quake (in AS) and the same Fast Inverse > > Square > > root but in C in Alchemy .To my great surprise the result was that the > > alchemy version was the slowest.Several times slower than the Native > > Flash > > implementation. BTW the fastest was HaXE implementation of the FISR > > Would be happy to hear some thought on this > > Michael. > > > On Tue, Apr 26, 2011 at 3:02 AM, Choons <[email protected]> wrote: > > yeah Flash's garbage collector is the real Achilles' heel for > > Molehill. I think the Flash developer's are quite aware of it, but any > > kind of real 3D game needs better low level control of memory. This > > looks like a great step in the right direction > > > On Apr 25, 4:53 pm, Jesse Nicholson <[email protected]> > > wrote: > > That is pure awesome guys. I can't say how much I'll be able to > > contribute (because of time etc) but I'll check out the source, > > build/ > > test etc and if I can do anything I'll let you know. This is great > > thanks for sharing! And Yes Choons alchemy CAN be faster as it uses > > LLVM to perform code optimization, which is extremely good at > > optimization because of the type of compilation it does. However > > there > > can be times where the performance is actually slower or just plain > > equal to pure as3. The biggest benefit with alchemy code is that it > > gives you the ability to bypass the garbage collector in flash all > > together, which is automatic and sluggish, by providing you with an > > interface to the raw system memory via a ByteArray object. And yes it > > would use alchemy pretty much throughout because Bullet is a C++ > > library. Anyway very cool thanks a lot for sharing Ringo! > > > -- > > Michael Ivanov ,Programmer > > Neurotech Solutions Ltd. > > Flex|Air |3D|Unity|www.neurotechresearch.comhttp://blog.alladvanced.net > > Tel:054-4962254 > > [email protected] > > [email protected] > > > -- > > Michael Ivanov ,Programmer > > Neurotech Solutions Ltd. > > Flex|Air |3D|Unity|www.neurotechresearch.comhttp://blog.alladvanced.net > > Tel:054-4962254 > > [email protected] > > [email protected] > > -- Jesse Nicholson Owner, Operator Ascension Systems www.ascensionsystems.ca
