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The future of CPU/GPU computing

With the completion of AMD’s acquisition of ATI, AMD has announced its working on new CPU/GPU silicon that integrates the CPU and graphics processor into a single unit. The upcoming silicon is currently codenamed Fusion and is expected in the late 2008 or early 2009 time frame. AMD claims Fusion will bring:

AMD intends to design Fusion processors to provide step-function increases in performance-per-watt relative to today’s CPU-only architectures, and to provide the best customer experience in a world increasingly reliant upon 3D graphics, digital media and high-performance computing. With Fusion processors, AMD will continue to promote an open platform and encourage companies throughout the ecosystem to create innovative new co-processing solutions aimed at further optimizing specific workloads. AMD-powered Fusion platforms will continue to fully support high-end discrete graphics, physics accelerators, and other PCI Express-based solutions to meet the ever-increasing needs of the most demanding enthusiast end-users.

AMD expects to integrate Fusion for all its product categories including laptops, desktops, workstation, servers and consumer electronics products. Judging by the inclusion of PCI Express support, it would appear the integrated GPU is more of a value solution—similar to Intel’s cancelled Timna processor. It is unknown if AMD will retain the current Athlon and Opteron names with the launch of Fusion. This isn't too surprising as AMD and ATI previously promised unified product development including vague mentions of hybrid CPU and GPU products. AMD also previously announced its Torrenza open architecture as well.

In addition to Fusion, AMD expects to ship integrated platforms with ATI chipsets in 2007. The platforms are expected empower commercial clients, notebooks, gaming and media computing. AMD expects users will benefit from greater battery life on the next-generation Turion platforms and greater enhancements with AMD Live! systems. DailyTech previously reported on ATI's chipset roadmap which outlined various integrated graphics and enthusiast products.

With the development of Fusion and upcoming integrated AMD platforms, it is unknown what will happen to NVIDIA’s chipset business, which currently relies mainly on AMD chipset sales.


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RE: Vertex Shaders
By Larso on 10/25/2006 5:01:56 PM , Rating: 2
The triumvirate system you outline is truly a very interesting concept. Seen from a hardware point of view it is all you can dream of: the CPU - incredibly optimized for sequential execution, the GPU - incredibly optimized for parallel execution and the FPGA - harness the power of custom logic to implement time critical operations and to implement never-though-of-before stuff.

As much as I would want to see this happen, I think that one should recall that hardware is only part of the game. The software aspect is just as important. I hope a solution can be found here, because its a big challenge. Software engineers needs to learn parallel processing techniques and they need to learn the co-design concepts such that they can utilize the FPGA - and they will need to ally with hardware engineers or learn a hardware description language themselves.

All these splendid hardware ideas will fall short if the software guys don't know exactly what they are dealing with and how to utilise it. Completely new programming paradigms might need to be conceived.


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