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This is a Experimental Study study.

September 29, 2025Open Access

Enable Lightweight and Precision-Scalable Posit/IEEE-754 Arithmetic in RISC-V Cores for Transprecision Computing

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Authors

QLQiong LiQingdao Agricultural University CFChao FangNanjing University LHLongwei Huang

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Implication

This implementation improves arithmetic efficiency in RISC-V by enhancing posit support and scaling precision, indicating significant performance benefits.

Key Points

The implementation yields a 47.9% reduction in LUTs and a 57.4% reduction in FFs compared to existing architectures.
Throughput improvements reach up to 2.54x in various GEMM kernel operations, emphasizing the benefits of optimized posit support.
Dedicated posit codecs are seamlessly integrated into the FPU, resulting in a lightweight overall hardware system.
Multi/mixed-precision support is added, enabling dynamic exponent sizes for enhanced precision scalability.

Cite This Study

Li et al. (2025) studied this question.

synapsesocial.com/papers/68da58e0c1728099cfd11724 https://doi.org/10.48550/arxiv.2505.19096

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Implication

This implementation improves arithmetic efficiency in RISC-V by enhancing posit support and scaling precision, indicating significant performance benefits.

Enable Lightweight and Precision-Scalable Posit/IEEE-754 Arithmetic in RISC-V Cores for Transprecision Computing

Discussion

Member takes

Implication

Key Points

Cite This Study

Enable Lightweight and Precision-Scalable Posit/IEEE-754 Arithmetic in RISC-V Cores for Transprecision Computing

Discussion

Member takes

Implication

Key Points

Cite This Study

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