Intel showcases four-tile Xe-HP GPU with 42 teraflops FP32 compute

Posted on Tuesday, August 18 2020 @ 16:14 CEST by Thomas De Maesschalck
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AnandTech reports Intel's Raja Koduri showed off a four-tile Xe-HP GPU at this week's Hot Chips 2020 conference. The chief architect of the chip giant briefly held up this four-tile model, which is the largest configuration that will be offered. At last week's Intel Architecture Day, Koduri showed a chip with a one-tile configuration.

The four-tile Xe-HP GPU promises FP32 computing power of 42 teraflops. Intel also claims that thanks to the use of tensor cores, this Xe-HP GPU can achieve "petaflop scale computing."
Assuming it makes it to market, a multi-tiled GPU – essentially multiple GPUs in a single package – would be a major accomplishment for Intel. GPUs are notoriously bandwidth-hungry due to the need to shovel data around between cores, caches, and command frontends, which makes them non-trivial to split up in a chiplet/tiled fashion. Even if Intel can only use this kind of multi-tile scalability for compute workloads, that would have a significant impact on what kind of performance a single GPU package can attain, and how future servers might be built.
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Thomas De Maesschalck

Thomas has been messing with computer since early childhood and firmly believes the Internet is the best thing since sliced bread. Enjoys playing with new tech, is fascinated by science, and passionate about financial markets. When not behind a computer, he can be found with running shoes on or lifting heavy weights in the weight room.

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