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This Causes an Error

05/25/13 2:28 PM

#119257 RE: wbmw #119255

wbmw,

You have put some very real work into these projections, and they make a whole lot of sense.

Thank you! :)
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DavidA2

05/25/13 3:31 PM

#119258 RE: wbmw #119255

Couple of things:

-Embedded Bay Trail had the highest SKU with 700MHz clock.

You can never assume 100% scaling with FLOP changes only, because there are other equally important factors, like fillrate and memory bandwidth.

6EU GT1 is only 37.5% FLOPs of the 16EU GT2, but much better 50% of fillrate.

Also, embedded SKUs tend to be a bit conservative, so we may see 700MHz clocks in quite a bit more than we expected. Maybe even higher?
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mas

05/26/13 10:51 PM

#119266 RE: wbmw #119255

Silvermont gpu specifications

http://www.infinitymnc.com/2012/windriver/open_source_summit2012/download/A3_Open_Source_Software_Platform_with_HTML5.pdf

slide 12


CPU
------

1 core @ 1.3-1.6 GHz
2 cores @ 1.2-1.5 GHz
2 cores @ 1.5-1.7 GHz
4 cores @ 1.7-2.0 GHz

Shared L2 Cache Size

0.5 MB
1 MB
1 MB
2 MB


GPU
------

4 EU’s @ 400 MHz
4 EU’s @ 533 MHz
4 EU’s @ 667 MHz
4 EU’s @ 700 MHz

Fill Rate (Mpixel/s)

600 MPixel/Sec
799 MPixel/Sec
1000 MPixel/Sec
1050 MPixel/Sec


Memory
-----------

1 Ch @ 1066 MHz
1 Ch @ 1333 MHz
2 Ch @ 1333 MHz
2 Ch @ 1333 MHz