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How to Design an ISA.

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Title: How to Design an ISA.
Authors: Chisnall, David1 (AUTHOR)
Source: Communications of the ACM. May2024, Vol. 67 Issue 5, p60-66. 7p.
Subjects: Computer organization, Instruction set architecture, Software compatibility, Lingua francas, Encoding, Design, Optimizing compilers
Abstract: This article discusses the intricacies of designing instruction set architectures (ISAs), emphasizing their crucial role as a lingua franca between compilers and microarchitecture. It highlights the importance of optimizing ISAs for different source languages and microarchitectures, addressing trade-offs between encoding efficiency, instruction density, and microarchitectural complexity. The author argues against oversimplified beliefs that ISAs don't matter much compared to microarchitecture, stressing that a well-designed ISA can significantly impact performance and power consumption, particularly in complex cores. Additionally, the article explores how certain ISAs, like RISC-V, make design choices that impact emulation and compatibility with legacy software, underscoring the challenges and trade-offs inherent in ISA design.
Database: Engineering Source
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DbLabel: Engineering Source
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PubType: Periodical
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  Data: This article discusses the intricacies of designing instruction set architectures (ISAs), emphasizing their crucial role as a lingua franca between compilers and microarchitecture. It highlights the importance of optimizing ISAs for different source languages and microarchitectures, addressing trade-offs between encoding efficiency, instruction density, and microarchitectural complexity. The author argues against oversimplified beliefs that ISAs don't matter much compared to microarchitecture, stressing that a well-designed ISA can significantly impact performance and power consumption, particularly in complex cores. Additionally, the article explores how certain ISAs, like RISC-V, make design choices that impact emulation and compatibility with legacy software, underscoring the challenges and trade-offs inherent in ISA design.
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=176927824
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        Value: 10.1145/3640538
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      – Code: eng
        Text: English
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        PageCount: 7
        StartPage: 60
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      – SubjectFull: Computer organization
        Type: general
      – SubjectFull: Instruction set architecture
        Type: general
      – SubjectFull: Software compatibility
        Type: general
      – SubjectFull: Lingua francas
        Type: general
      – SubjectFull: Encoding
        Type: general
      – SubjectFull: Design
        Type: general
      – SubjectFull: Optimizing compilers
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      – TitleFull: How to Design an ISA.
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              M: 05
              Text: May2024
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              Y: 2024
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