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Intel company introduced three models of Xeon Phi: 3100, 5100 and 7100 - each for its price niche. However, I would like to begin with a formal announcement of the next generation accelerators - 14-nm Intel Xeon Phi codenamed Knights Landing.
In an official press release, Intel talked about next year a bit , and make public information of considerable interest. Knights Landing processors will exist as PCI Express bus accelerators , and a processor installed in the CPU motherboard connector. This is how to install in one adapter dozen graphics processors NVIDIA GK-110. The maximum density for maximum performance. As the processor decision Knights Landing will take care of all the functions of a conventional Intel Xeon, remaining at the same time, available for operations to speed up the calculations. In fact, this transformation will not cause any complicated modifications, as the base for Xeon Phi is a good old x86-compatible architecture.
Another important difference Knights Landing to the modern generation of accelerators Knights Corner will be integrated into the case of the processor block RAM. Experiments with Haswell and integrated crystal eDRAM will take to the next level. CPU unit with built-in memory will solve a lot of problems with insufficient bandwidth between the CPU and RAM.
Coming back to today's innovations, for clarity, comparing them with the accelerator NVIDIA and AMD .
Accelerators Xeon Phi 7100 are aimed at the highest solutions. They are based on 61 core and clocked at 1.23 / 1.33 GHz. The volume of on-board memory is doubled compared to previous solutions and it is 16 GB. Performance operations in double precision reaches 1.2 teraflops. For this indicator, Intel Xeon Phi 7100 approaching NVIDIA Tesla K20X accelerators on the processor GK-110. NVIDIA solution wins for the consumption and price, but Intel rate is on a more understandable to the masses of programmers x86-compatible programming model and code compatibility with conventional processors, Intel Xeon, whereas NVIDIA accelerators requires its own programming environment. Related Products :
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