CLARINET: A quire-enabled RISC-V-based framework for posit arithmetic empiricism

Journal of Systems Architecture(2023)

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摘要
Many applications require high-precision arithmetic. IEEE 754-2019 compliant (floating-point) arithmetic is the de facto standard for performing these computations. Recently, posit-arithmetic has been proposed as a drop-in replacement for floating-point arithmetic. The posit data representation and arithmetic claim several advantages over the floating-point format and arithmetic, including higher dynamic range, better accuracy, and superior performance-area trade-offs. However, very few accessible and holistic frameworks facilitate the validation of these claims of posit-arithmetic, especially with long accumulations (quire).
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关键词
Posit-arithmetic,RISC-V,Open-source hardware,Custom-instructions
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