更简单,更高效的设计

B. Nikolić
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引用次数: 18

摘要

在许多应用领域,定制集成电路的设计已经变得非常昂贵。因此,这些领域通常选择在可编程平台上实现所需的功能,但这些解决方案的能源效率较低。本文提出了几种方法,使设计过程更有效,使定制节能集成电路成为可能。应该设计函数生成器,而不是函数实例,它与更高级别的设计抽象相结合,可以提高设计效率并促进重用。发电机的使用还使模块化设计成为可能,有助于设计验证。快速设计流程将生成的模块映射到硅中,并使设计空间探索达到最佳效率。函数生成器的开源存储库及其在系统中的映射允许设计人员有选择地为设计增加价值。基于开源指令集架构的处理器设计演示了这些原理,该处理器采用28纳米FDSOI实现了集成开关电容DC-DC转换器。该芯片设计团队相对较小,具有高转换效率(80-86%)和高能效(26.2 DP GFLOPS/W)的特点。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Simpler, more efficient design
Design of custom integrated circuits has become prohibitively expensive for many application domains. As a result, these domains often choose to implement the desired functionality on programmable platforms, but those solutions are less energy efficient. This paper proposes several approaches for making the design process more efficient and enabling custom energy-efficient integrated circuits. Function generators, as opposed to function instances, should be designed, which combined with higher-level design abstraction improve design efficiency and foster reuse. The use of generators also enables modular designs, aiding design verification. Rapid design flow maps generated modules into silicon and enables design-space exploration for optimal efficiency. Open-source repository of function generators and their mappings into systems allow designers to selectively add value to the design. These principles are demonstrated on a design of a processor, based on an open-source instruction set architecture, with integrated switched-capacitor DC-DC converters implemented in 28nm FDSOI. The chip is designed with a relatively small team and features high conversion efficiency (80-86%) and high energy efficiency (26.2 DP GFLOPS/W).
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