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AMD's Poor Folding@Home Performance Explained

A fix might be on the way

| Posted: Nov 5, 2008 2:24 pm

Folding@Home for the GPU has exploded in the F@H crowd since it was first demonstrated that an ATi GPU was able to perform this complex number crunching significantly faster than a standard CPU.


But after introducing the world to this new marvel ATi quickly fell behind and nVidia rocketed to the forefront as the fastest GPGPU for Folding@Home.


Theo Valich has taken a look to see why this is and what the possible solution might be.


Hold out hope after reading this.


AMD's Poor Folding@Home Performance Explained


So, we have shown you the problem, and now the time is for the solution. ATI canft fix the performance issue on previous-gen hardware, but it will solve multitude of issues on Radeon 4800 boards. The team at Stanford is taking some necessary steps to re-do the workflow and introduce local memory share. This could take months, so realistic goal is to have a new client coming in Q1Œ09.


Once that Radeon 4870 gets fully utilized, those 800 shaders and 70% of theoretical value (700-800 GFLOPS instead of 1-1.2 TFLOPS) should be good enough for reaching the level of GTX280.


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