26 Feb '15, 5pm

How to Make Multicore Chips Faster, More Efficient

How to Make Multicore Chips Faster, More Efficient

Although transistors continue to get smaller and more numerous on each microchip, they have stopped getting faster because they would get too hot to work if they sped up further. To continue improving electronics, chipmakers are instead giving chips more processing units, or cores, to execute computations in parallel. The way in which a chip distributes its operations can make a big difference to performance. In 2013, MIT electrical engineer and computer scientist Daniel Sanchez and his colleagues showed a way to distribute data around the memory banks of multicore chips that could improve speed by about 18 percent on average. Now, in simulations involving a 64-core chip, Sanchez and his colleagues find a new way to distribute both computations and data on such a chip can boost computational speeds by 46 percent and reduce power consumption by 36 percent. The researchers s...

Full article: http://spectrum.ieee.org/tech-talk/semiconductors/design/...

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