1000-core KiloCore processor. Free Technical Library News

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1000-core KiloCore processor

19.06.2016

Researchers from the University of California at Davis (USA) have developed a 1000-core KiloCore processor. IBM Corporation manufactured it using a 32nm process.

Each KiloCore processor core is capable of operating independently and running its own firmware. "This is much more efficient than the approach used in GPU processors. The idea is to break the application into many subroutines, each of which can be run in parallel on a separate core. Thus, high performance will be achieved with low power consumption" , the authors reported.

Because each core runs at its own clock speed, it can be disabled to save power. The maximum clock speed of the cores is limited to 1,78 GHz. The nuclei send information to each other directly. There is no shared memory that could become a bottleneck in data processing," said architect Brent Bohnenstieh.

KiloCore may not be the world's first 1000-core processor. But its authors argue that it has no equal in terms of efficiency.

According to the developers, KiloCore has 621 million transistors and is capable of executing 1,78 trillion commands per second, consuming 0,7 watts. An AA battery can be used as a power source. KiloCore is more than 100 times more efficient at executing commands than a modern laptop processor.

A number of demo programs have already been developed for the chip. They are designed to encode and decode wireless signals, process video streams, encrypt and perform other tasks associated with the processing of large amounts of data, where parallelization can significantly increase the efficiency of the process.

For the convenience of programming the chip, the researchers developed an appropriate compiler and a tool for automatically distributing programs among the cores.

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