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Little-known Korean CPU threatens to make Nvidia, Intel and AMD obsolete in HPC market

South Korea’s Electronics and Telecommunications Institute (ETRI) has team up with Arm to design a CPU that’s tailored for supercomputing ...

South Korea’s Electronics and Telecommunications Institute (ETRI) has team up with Arm to design a CPU that’s tailored for supercomputing applications.

The news is particularly significant in light of the fact that all of South Korea’s High Performance Computing (HPC) is powered by Intel processors, according to reports.

The design helps the country inch closer to having an indigenously designed CPU that’ll be capable of handling the country’s supercomputing needs.

Cheap supercomputing

The largest supercomputer in production in South Korea today is the Nurion machine. It is the 17th most powerful system on the planet and is powered by the Intel Xeon Phi supercomputing processor. The machine was assembled by Cray, prior to their acquisition by HP.

It is this stranglehold of US companies that fueled the ETRI research.

design spec of the K-AB21

(Image credit: The Next Platform)

Reports say the researchers were tasked to design a CPU that was more than twice as fast as the accelerators used in the current generation of supercomputers while consuming less than half the power.

The reports quote Youngsu Kwon from the AI Processor Research Department at ETRI as saying that the researchers tackled their brief by focussing on single chip performance for low power chips and systems: “From there you can integrate more chips, increasing the performance and reducing power consumed. Also, the integration of CPUs and accelerators into a single chip will allow more bandwidth, which can remove the data bandwidth bottleneck.”

They achieved this by combining the Arm Zeus high-performance chips with ETRI’s scalable AI/HPC cores together with multiple DDR5 high-bandwidth memory (HBM) interfaces. The result of their efforts is the K-AB21, which packs 16 teraflops per CPU for a combined output of 1600 teraflops per rack. 

The group is still fine-tuning certain elements of the chip, but expects it to be available by the end of 2021.

Via: The Next Platform



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