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Nvidia Unimpressed with Intel's Larrabee
Techtree News Staff, Aug 26, 2008 1640 hrs ISTNvidia claims the Larrabee can only do what other cards could do back in 2006.
Nvidia seems rather unimpressed with the upcoming Larrabee platform from Intel. Speaking on the occasion of the opening of Nvidia's NVISION expo, Andy Keane, General Manager of the company's GPU computing group says that Intel's Larrabee would only be able to match performance benchmarks offered by GPU's that were on sale back in 2006 - a sentiment first expressed by CPU architect-turned-blogger Peter Glaskowsky. However, Glaskowsky did clarify his stand in a blog post later.
Keane snubbed the idea saying that just because it's x86, it will not solve the massively parallel computing problem. Citing the example of the PC, he said "Multi-processing is a hard problem in computer science. It's been there for 30 years. It's not answered by software tools." This was also in response to Intel Parallel Studio, a software kit designed for developers to author applications for multi-core CPUs.
Apart from Keane, John Montrym, chief architect for the GT200 core was doubtful about Larrabee's real world performance. Montrym said, "They've put out a certain amount of technical disclosure in the past five weeks, but although they make Larrabee sound like it's a fundamentally better approach, it isn't. They don't tell you half the assumptions they made. They talk about scaling, but they disregard memory bandwidth. They make it sound good, but we say, you neglected half a dozen things."
Is the Larrabee as unexciting as Nvidia makes it out to be? Or, is this just a ploy to divert attention at a time when ATi has managed to catch up and pip Nvidia with the fastest GPU out there?
Source: PC Pro
Keane snubbed the idea saying that just because it's x86, it will not solve the massively parallel computing problem. Citing the example of the PC, he said "Multi-processing is a hard problem in computer science. It's been there for 30 years. It's not answered by software tools." This was also in response to Intel Parallel Studio, a software kit designed for developers to author applications for multi-core CPUs.
Apart from Keane, John Montrym, chief architect for the GT200 core was doubtful about Larrabee's real world performance. Montrym said, "They've put out a certain amount of technical disclosure in the past five weeks, but although they make Larrabee sound like it's a fundamentally better approach, it isn't. They don't tell you half the assumptions they made. They talk about scaling, but they disregard memory bandwidth. They make it sound good, but we say, you neglected half a dozen things."
Is the Larrabee as unexciting as Nvidia makes it out to be? Or, is this just a ploy to divert attention at a time when ATi has managed to catch up and pip Nvidia with the fastest GPU out there?
Source: PC Pro
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