解决方案:专门的体系结构、语言和系统软件应该在十年内取代通用的替代品

D. Wood
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引用次数: 1

摘要

计算机领域从一开始就在专业化和泛化之间的紧张关系中挣扎。对于匹配其专门化目标的工作负载,专门化的体系结构、编程语言和系统软件承诺更好的性能(跨越许多度量,包括效率、生产力等)。通用架构、语言和系统软件为特定的工作负载牺牲了极端的性能,在更广泛的范围内寻求可接受的性能。虽然专门的替代方案总是占有一席之地,但通用架构、语言和系统软件在过去几十年中一直主导着主流计算系统。但随着登纳德缩放法的消失和摩尔定律的终结,一些人认为通用计算平台自然会让位于专业化。在这场辩论中,两组非常固执己见的专家将讨论这样一个命题:在接下来的十年里,专门的体系结构、语言和系统软件应该在很大程度上取代通用的替代方案。支持专门化的论据包括后dennard缩放时代的能源效率、后摩尔定律时代的性能缩放以及程序员生产力的提高。反对的理由包括创建专门的硬件和软件组件所需的大量投资,缺乏创建可重用组件的工具和接口,过度专门化造成的语义差距,以及由于专门化组件的互操作而导致的安全漏洞和一般正确性问题。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Resolved: specialized architectures, languages, and system software should supplant general-purpose alternatives within a decade
The field of computing has struggled since its inception with the tension between specialization and generalization. Specialized architectures, programming languages, and system software promise better performance (across many metrics, including efficiency, productivity, etc.) for workloads that match their specialization objective. General-purpose architectures, languages, and system software sacrifice extremes of performance for specific workloads, seeking acceptable performance across a much wider range. While specialized alternatives have always had their place, general-purpose architectures, languages, and system software have dominated main-stream computing systems for the past several decades. But with Dennard scaling already gone and the end of Moore's Law looming, some have argued that general-purpose computing platforms must naturally give way to specialization. In this debate, two teams of highly-opinionated experts will debate the proposition that specialized architectures, languages, and system software should largely supplant general-purpose alternatives within the next decade. Arguments in favor of specialization include energy efficiency in the post-Dennard scaling era, performance scaling in the post-Moore's law era, and improvements in programmer productivity. Arguments against include the large investment needed to create specialized hardware and software components, lack of tools and interfaces to create reusable components, the semantic gap from overspecialization, and security vulnerabilities and general correctness issues due to interoperation of specialized components.
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