Minggu, 02 September 2012

Intel's Xeon Phi Scarcely Equals AMD's VLIW Radeons


Intel&rsquos perform on the Larabee task and succeeding Xeon Phi accelerator cards has costed the corporation billions of bucks and lasted for nearly a 10 years. Now the architecture is eventually prepared to battle for a area on the GPU compute industry.

In the course of this yr &rsquos Incred ibly hot Chips meeting in Cupertino, California, the planet &rsquos biggest semiconductor company has shared the last particulars on the Xeon Phi cards and it looks the company has achieved a good deal for a 1st generation product or service.

On the other hand, not all is rosy for Intel and its Xeon Phi job.

Intel&rsquos difficulty is very best explained by its possess slides for the duration of the presentation as the business is essentially now evaluating its new and extremely innovative architecture with very last year &rsquos engineering from AMD and Nvidia and even now can&rsquot present any extraordinary outcomes.

It is greatly recognized that AMD&rsquos VLIW architecture was quite handicapped when it arrived to GPU compute get the job done and Nvidia&rsquos 2090 accelerators, while getting considerabl y much better, have been released a calendar year ago.

Even so, these are the only examples Intel has identified in the well-known Top500 checklist of supercomputers that could allow it to current its new Xeon Phi cards in an appropriate light-weight.

Intel's Xeon Phi Hot Chips 2012 Presentation
Enlarge picture
Intel&rsquos performance for each watt enhancement actions just. seven % when when compared with a server making use of VLIW AMD cards and 9 % when in contrast with a server employing Nvidia&rsquos Tesla 2090 playing cards.

We&rsquore very shocked AMD has the superior remedy when it arrives to GPU compute and functionality for each watt, especially because we&rsquore speaking about a VLIW style and design, but all round Intel&rsquos Xeon Phi is quite disappointing.

Despite the company has a significantly much better production technology as the Xeon Phi chips are designed utilizing 22nm transistors and the planet &rsquos very best software program optimization and compil er assist, but the benefits are only similar with AMD&rsquos and Nvidia&rsquos past 12 months &rsquos tech.

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