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Submission + - Lucid Logix Hydra Multi-GPU Performance Unveiled ( 2

MojoKid writes: About a year ago, semiconductor startup Lucid Logix began making waves in the graphics space with claims of being able to revolutionize multi-GPU computing, promising consumers the ability to pair any graphics card, unrestricted by model or vendor, to another card and achieve highly efficient load balancing with near linear performance increases. This option presumably provides consumers the flexibility to buy an ATI graphics card, install it next to an NVIDIA model on the same motherboard, and see a boost in graphics rendering performance close to the sum of both individual components. Today Lucid Logix has taken the wraps off initial pre-production product with a quick performance evaluation at HotHardware that shows the potential with the technology. The benchmark numbers look promising though reportedly there are still a few compatibility issues to wring out.
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Lucid Logix Hydra Multi-GPU Performance Unveiled

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  • I like the methods used in the tests here. It gives a clear picture of what you would expect in ideal conditions. That is, the combination of two different graphics cards (GTX + Radeon) should be the average of proprietary dual-configurations (Mathematically this would be: Dual GTX + Dual Radeon / 2). Here, it's pretty clear there is a large benefit (as compared to single configurations), but unfortunately it looks as though the faster card is still being somewhat bottlenecked by the slower one, where the
    • Err. For the mathematically anal, it would ACTUALLY be: ((Dual GTX + Dual Radeon) / 2), but you get the point in the OP.

Things are not as simple as they seems at first. - Edward Thorp