The NoC In 3D Space

The network on chip has become essential for complex designs, but it needs to evolve to support 3D designs and enable the integration of chiplets.

By Brian Bailey, SemiEngineering

A network on chip (NoC) has become an essential piece of technology that enables the complexity of chips to keep growing, but when designs go 3D, or when third-party chiplets become pervasive, it’s not clear how NoCs will evolve or what the impact will be on chiplet architectures.

A NoC enables data to move between heterogeneous computing elements, while at the same time minimizing the resources required to connect them. Tradeoffs can be made about the topology of a NoC, the resources consumed, and the latency associated with traffic for a defined bandwidth. A NoC also can help keeping data coherent between distributed computing elements.

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