Another area under examination is the input-output bottleneck. As Christian Menolfi, who specializes in I/O links explained, you can see the issue simply by looking at the back of an I/O processor.
"Pin counts are getting very large," Menolfi said. "We are looking at needing 1,000 just for I/O. The complications of the I/O pins are growing faster than the number of pins. This is the package bottleneck."
The answer, according to Menolfi, is advanced, multichannel signaling (shown in the top-left display). By arranging the I/O channels in the optimum configuration, the Zurich researchers hope to guarantee maximum data throughput.
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