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Chip-multiprocessor (CMP) architectures are a promising design alternative to exploit the ever-increasing number of transistors that can be put on a die.
But developing such kind of chips is not an easy task as the number of transistors increases on-chip, and so does the complexity of integrating them.
Proceedings ArticleDOI
Adi Fuchs, David Wentzlaff 
26 Mar 2019
33 Citations
Unfortunately, the stagnation of the number of transistors available on a chip will limit the accelerator design optimization space, leading to diminishing specialization returns, ultimately hitting an accelerator wall.
Practical limits on the number of transistors per chip can be extended only if the manufacturing cost per function of GSI continues to decline, which will require, among other advances, enormous progress in semiconductor characterization.
We believe these are the fastest transistors of their kind in the world.
Two transistors next to each other on the chip with exactly the same geometries and strain distributions may have characteristics from each end of a wide statistical distribution.
It is concluded that transistors of the types at present available are well suited to computer circuits and that both the construction and maintenance of the apparatus are facilitated by their use.
While one might opt to use these transistors for building complex single processor based architectures, recent trends indicate a shift towards on-chip multiprocessor systems since they are simpler to implement and can provide better performance.

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