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Tim Sweeney Laments Intel Larrabee Demise

By - Source: Tom's Hardware US | B 1 comment

Unreal Engine programmer thinks Larrabee could have been something cool.

Intel's decision to shelve its graphics chip development project codenamed Larrabee caught some off guard. While the project was often delayed and didn't appear to compete on the same level as the best that AMD and Nvidia have to offer, it did have flashes of brilliance that could have changed the way many thought of GPGPUs.

Epic Games' Tim Sweeney, best known for his work behind the popularly used Unreal Engine, told Bright Side of News why he was excited about Larrabee.

"I see the instruction set and mixedscalar/vector programming model of Larrabee as the ultimate computing model, delivering GPU-class numeric computing performance and CPU-class programmability with an easy-to-use programming model that will ultimately crush fixed-function graphics pipelines," Sweeney said, adding that Intel's technology would be revolutionary whether sold as an add-in card, an integrated graphics solution, or part of the CPU die.

GPU makers today may boast about how many Teraflops its chips can pull off, but Sweeney says that focusing on pure performance "misses a larger point about programmability."

"Today's GPU programming models are too limited to support large-scale software, such as a complete physics engine, or a next-generation graphics pipeline implemented in software," Sweeney told bsn. "No quantity of Teraflops can compensate for a lack of support for dynamic dispatch, a full C++programming model, a coherent memory space, etc."

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    blackwidow_rsa , 8 December 2009 08:37
    Uhm it's to render graphics, not to run Word and doesn't Fermi come close? Full C++ support and the new L1 cache..