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72-core desktop processor

18.11.2015

Intel Corporation has started production of a new generation coprocessor - 72-core Xeon Phi codenamed Knights Landing. Announced in 2013, the new chip is based on 14nm technology using XNUMXD Tri-Gate transistors.

The Knights Landing chip replaced Knights Corner, which had 61 cores and had a topology of 22 nm.

The new coprocessor runs at 1,3 GHz and delivers maximum performance of three teraflops in floating point calculations and eight teraflops in single precision floating point calculations. This is comparable to the performance of graphics accelerators used in modern supercomputers.

Knights Landing is equipped with 16 GB of built-in MCDRAM RAM. It is five times faster than the new DDR4 memory that is just gaining popularity, and is five times more energy efficient than the GDDR5 used in graphics accelerators.

Xeon Phi coprocessors are based on the Intel Many Integrated Core (MIC) architecture that Intel introduced in 2010.

Xeon Phi coprocessors are designed to solve "highly parallel" tasks in the following areas: engineering and geological surveys, scientific development, climate modeling and financial operations.

A feature of the MIC architecture, according to Intel representatives, is to support existing models and programming techniques familiar from the x86 architecture. The corporation proposes to use the same programming tools for both x86 and MIC, without the need to rewrite the code.

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