Defining Computer Architecture

来源：百度文库编辑：神马文学网时间：2024/05/01 05:50:31

   The task the computer designer faces is a complex one: Determine what attributes are important for a new computer, then design a computer to maximize performance while staying within cost, power, and availability constraints. This task has many aspects, including instruction set design, functional organization, logic design, and implementation. The implementation may encompass integrated circuit design, packaging, power, and cooling. Optimizing the design requires familiarity with a very wide range of technologies, from compilers and operating systems to logic design and packaging.
   In the past, the term computer architecture often referred only to instruction set design. Other aspects of computer design were called implementation, often insinuating that implementation is uninteresting or less challenging.
   We believe this view is incorrect. The architect’s or designer’s job is much more than instruction set design, and the technical hurdles in the other aspects of the project are likely more challenging than those encountered in instruction set design. We’ll quickly review instruction set architecture before describing the larger challenges for the computer architect.

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