| Designing Circuits By Calculation (1990) | |||||||||||||||
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| algorithm Word-level algorithm Bit-level algorithm Gates Transistors Rectangles Silicon ? capture ? fabrication Figure 1.1: the design process 2 CHAPTER 1. INTRODUCTION with a more-or-less static structure; also that we are going to be concerned to minimize expensive sorts of communication, like broadcasting, and in emphasizing locality. We will not, however, be at all concerned with the details of any fabrication technology; nor in such concerns as how many transistors can be fabricated on a single chip. These things are again properly the concerns of other courses. Indeed it will often make sense to divert the later stages of a design, proceeding not through gates, transistors and silicon, but rather through (say) processes and channels, processors and inter-process links to an occam program that can be executed on an array of transputers. It is quite common for the design process to be realized by a number of steps passing from one level to a lower level, where the designer `in... | |||||||||||||||
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