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Iphone 3G[S] Chipset

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Post  autology Fri Jun 19, 2009 11:27 am

Of general interest: The new platform is running on the SoC S5PC100 from Samsung [engadget]

Here is a link to a Samsung description (pdf):[link]

Anyone know what type of jump we'll see with the PowerVR SGX? Anyone lucky enough to pick on up yet?

autology

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Join date : 2008-12-29

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Post  yarri Fri Jun 19, 2009 6:44 pm

Just tried running my app on the 3GS just now, wow it's fast :-)

Using SIO2 1.3.5 of course, I actually compiled against OS 2.2.1 SDK, Xcode 3.3.1 with "Standard (armv6)" architecture and -fno-regmove/-O2, and saw immediate jump in loading time, general responsiveness and fps. FPS boost was significant: solid 30~35fps where before I was averaging 25fps.

Interesting to note that I'm using UIKit overlays and they seem much more responsive (UIAlert over EAGLView), wonder if that's due to a new OpenGL/SGX driver?

Nice to see the SIO2 engine run so well on the 3GS, now I *really* want to burn some of the performance on DOT3, shadows, etc.

--yarri

PS: Will try to compile for NEON extensions over the weekend...
http://gcc.gnu.org/onlinedocs/gcc/ARM-NEON-Intrinsics.htm

yarri

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Post  autology Tue Jun 30, 2009 12:19 pm

A follow-up benchmark:


* The CPU performance is Faster by 40-70%
* The fillrate* is 3x to 4x higher
* Texture effects and filters are about 10x faster

via gizmodo:link

autology

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