In the FAQ it states that it is not currently possible to DMA directly into GPU memory from another PCI-E device.
I read that Fermi supports this for particular InfiniBand drivers.
Is this possible for other drivers. For example high speed data acquisition cards?
I was looking at the QS1R VERB digital down conversion (DDC) receiver (http://www.philcovington.com/QuickSilver/) and thinking that a USB 3.0 version (if it was ever made) could dump the raw 120MBs data stream directly to the GPU which would then implement a full software based (MegaChannel?) receiver.
It should be able to do full 55Mhz wide spectrum displays and who knows what else (Super CW Skimmer? Identify and catalog every received signal?).
ie. As for http://www.youtube.com/watch?v=nae_M_q-i10 but 55Mhz wide and with 7hz(?) resolution.