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On-Chip Device Developed for Accelerating Core-to-Core Communications

Category: Gaming
Posted: 09:03AM
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For years now there has been a trend in the computer industry to add more cores to CPUs as a way to improve performance. Managing all of these cores can be complicated, which eats into performance. Researchers at North Carolina State University and Intel however, have developed an on-chip device to accelerate core-to-core communication significantly.

For a multicore processor to run a program on multiple cores at the same time, there has to be some coordination between the cores by sending commands between them. As it is the cores themselves doing this, it adds overhead and eats into performance. The researchers' solution is to use a core-to-core communication acceleration framework (CAF) that adds a device to the network within a CPU to take over this communication from the cores. The result is increased communication performance be a factor of two to 12. This device is called a queue management device (QMD) and because it is also able to perform basic computations, it can collect data from multiple cores to speed up some basic function by 15%.

Naturally the researchers are considering what other on-chip devices could be developed for accelerating multi-core operations.

Source: North Carolina State University



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