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INTEL LARRABEE '' HYBRID ''

Monday, May 31, 2010

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As we know, in recent years that Intel is developing a hybrid technology between multi-core CPU and GPU, which was named Larrabee.It's will become the mainstay against rivals who have long played in the GPU industry, such as ATI (AMD) and nVIDIA.
 

Comparison with Intel GMA

Of course, in addition to Larrabee, Intel also has another line video cards, namely the Intel GMA, Intel GMA sale is embedded in GMA motherboard.Intel GMA more cheap.Dan famous at a price lower power consumption, so that fits in the use of a laptop or are not running applications-CPU.As long not to 3D-source applications that require too big.Performance Intel GMA's performance is less to compare with ATI and NVIDA.Another case with Larrabee will be sold separately in motherboard.Dan expected to have a performance not inferior to ATI and NVIDA. 


Data Perfomance

At the IDF in 2009, which took place in San Francisco the U.S., the first time demonstrated the ability Larrabee, by running the game Quake Wars Ray Traced who paraded with real time.The second demonstration conducted at SC09 Conference 2009, which took place in Portland, AS.How  Larrabee capable of running games to reach 1006 Test GFlops with SGEMM 4Kx4K calculation.Little bit ridiculous really where the ATI Radeon HD 4870's two-year-old could reach 1TFlops (1000GFlpos) . But according to the Intel argued that Larrabee is achieved real results, while other competitors based on the calculation of synthetic only.


Intel told Ars today that its long-delayed Larrabee discrete graphics product has suffered yet another delay, so the company has had to "reset" its overall GPU strategy and reposition plans and its expectations for the first version of the Larrabee product.

Specifically, Larrabee v1 is so delayed that, at the time it eventually launches, it just won't be competitive as a discrete graphics part, so Intel plans to wring some value out of it by putting it out as a test-bed for doing multicore graphics and supercomputing development. Intel will eventually put out a GPU, but may not be the one we've been calling "Larrabee" for the past few years.

If the fact that Larrabee is "launching" not as a GPU, but as a kind of multicore graphics demo unit, sounds like a cancellation to you, that's because it kinda sorta is. It's not a cancellation in the sense that Intel is throwing in the towel on discrete graphics, because that's definitely not the case. The company reiterated that it still plans to launch a many-core discrete graphics product, but won't be saying anything about that future product until sometime next year. Whatever it is, it won't be the hardware/software combination that it previously announced, and that we described of Intel's big August 2008 Larrabee reveal. It will be something else, and Intel wouldn't even characterize the relationship of that future something to the current Larrabee product.

The main issue behind the delay, it appears, was the hardware. That's not surprising, because Larrabee is a big, complex part, and it's quite a departure from anything that Intel has done. The hardware delay would have resulted in a software delay, and if Intel were to launch Larrabee with an immature software stack then it would be roadkill as a GPU.

Even though Intel couldn't have the Larrabee software ready on a timeframe that would make it competitive with NVIDIA and ATI (again, Larrabee is really a hardware/software hybrid GPU), the chipmaker can still push out the hardware itself and let others have a go at using it for graphics and HPC. Hence the plan to release it as a development platform for doing multi- and many-core research for HPC and graphics.
The Larrabee delay is obviously great news for NVIDIA, and even better news for AMD. This leaves both competitors to share the market for discrete GPUs, and quite possibly next-gen game consoles, for the next two years. NVIDIA's underlying long-term problems (the death of its integrated graphics processor market and the ongoing decline in the high-end discrete GPU market) are still there. And AMD still has well-documented challenges of its own as it struggles to regroup and return to growth after a brutally punishing few quarters of layoffs and cost-cutting. But execs at both companies have got to be high-fiving each other right now.

As for Intel's long-term future in the discrete GPU market, we'll have to wait until next year before we know

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