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The University of California, Davis (UC Davis) announced that its researchers have prototyped the "KiloCore" microprocessor with 1,000 CPU cores. Related details were announced on the 2016 Symposium on VLSI Technology and Circuits at the Semiconductor International Society in Hawaii on June 16th.
KiloCore consists of 621 million transistors and can perform up to 17.8 trillion commands per second. According to UC Davis, the processor is manufactured on IBM's 32nm CMOS process. The maximum clock frequency is 1.78GHz, which is a very high value in many-core processors.
The feature of the processor is that each CPU core can run at its own clock frequency and can execute different programs in parallel. In this regard, its flexibility is even higher than the SIMD (Single-Instruction-Multiple-Data) method that is common in graphics processors (GPUs). In addition, Bevan Baas, a professor of electrical and computer engineering at UC Davis, who led the design of the processor, said that each CPU core can be independently controlled for operation, and therefore "power-saving performance is also very good." For example, when executing 115 billion commands per second, the power consumption is only 0.7 W. “You can also use the No. 5 battery to drive. The operating efficiency is more than 100 times that of the existing notebook computer microprocessor.â€
Each CPU core can forward data to other CPU cores without using an external memory.
According to UC Davis, a number of applications have been developed that can run on this processor. This includes encoding/decoding software for wireless communications and software for scientific problems that require video processing, encryption, and massively parallel computing. Moreover, dedicated compilers have been specifically developed for such programming. (Reporter: Nozawa Tetsuo)
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