On Tue, May 6, 2014 at 9:30 AM, Rik van Riel <riel@xxxxxxxxxx> wrote:
>
> The GPU runs a lot faster when using video memory, instead
> of system memory, on the other side of the PCIe bus.
The nineties called, and they want their old broken model back.
Get with the times. No high-performance future GPU will ever run
behind the PCIe bus. We still have a few straggling historical
artifacts, but everybody knows where the future is headed.
They are already cache-coherent because flushing caches etc was too
damn expensive. They're getting more so.
Linus
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