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ATI's Stream Computing on the Way
SQLGuru writes to tell us that ATI has announced plans to release a new graphics product that could provide a shake-up for high performance computing. From the article: "ATI has invited reporters to a Sept. 29 event in San Francisco at which it will reveal 'a new class of processing known as Stream Computing.' The company has refused to divulge much more about the event other than the vague 'stream computing' reference. The Register, however, has learned that a product called FireStream will likely be the star of the show. FireStream product marks ATI's most concerted effort to date in the world of GPGPUs or general purpose graphics processor units. Ignore the acronym hell for a moment because this gear is simple to understand. GPGPU backers just want to take graphics chips from the likes of ATI and Nvidia and tweak them to handle software that normally runs on mainstream server and desktop processors."
The point of a thing like this is to ship data in bulk to the VRAM attached to the GPU. Then have the GPU grind away on that data using the large memory bandwidth available on the adapter. Then once finished pull the data back off the adapter. Also note that PCIe is much much better then any prior PCI/AGP bus for feeding this type of thing.