[LLVMdev] Xilinx zynq-7000 (7030) as a Gallium3D LLVM FPGA target

Nathaniel J Fries nfries88 at yahoo.com
Sat Aug 20 23:12:02 PDT 2011


On 8/21/2011 12:27 AM, Nick Lewycky wrote:
> No, because that doesn't have:
>    - quite enough I/O bandwidth. Assuming off-chip TMDS/LVDS (sensible,
> given that neither the ARM core nor the FPGA have a high enough clock
> rate), the limiting I/O bandwidth is between the GPU and its video
> memory. That product claims it can do DDR3, which is not quite the same
> as GDDR5.
GDDR5 is fairly recent. DDR3 is about equivalent to GDDR3, which came 
out less than a decade ago.
So it depends on whether you're trying to get top-notch performance or 
just acceptable performance, IMO.
I am in agreement with the rest of what you said here.



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