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Today, almost all computer systems use IEEE-754 floating point to represent real numbers. Recently, posit was proposed as an alternative to IEEE-754 floating point as it has better accuracy and a larger dynamic range. The configurable…

Hardware Architecture · Computer Science 2021-04-13 Varun Gohil , Sumit Walia , Joycee Mekie , Manu Awasthi

Spectral analysis plays an important role in detection of damage in structures and deep learning. The choice of a floating-point format plays a crucial role in determining the accuracy and performance of spectral analysis. The IEEE Std…

Hardware Architecture · Computer Science 2024-06-11 Sameer Deshmukh , Daniel Khankin , William Killian , John Gustafson , Elad Raz

Motivated by the increasing interest in the posit numeric format, in this paper we evaluate the accuracy and efficiency of posit arithmetic in contrast to the traditional IEEE 754 32-bit floating-point (FP32) arithmetic. We first design and…

Hardware Architecture · Computer Science 2021-09-20 Stefan Dan Ciocirlan , Dumitrel Loghin , Lavanya Ramapantulu , Nicolae Tapus , Yong Meng Teo

Floating-point operations can significantly impact the accuracy and performance of scientific applications on large-scale parallel systems. Recently, an emerging floating-point format called Posit has attracted attention as an alternative…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-03-26 Steven W. D. Chien , Ivy B. Peng , Stefano Markidis

Although not primarily designed for this purpose, floating-point numbers are often used to represent integral values, with some applications explicitly relying on this capability. However, the integral representation properties of IEEE 754…

Hardware Architecture · Computer Science 2025-12-01 Laslo Hunhold

While posit format offers superior dynamic range and accuracy for transprecision computing, its adoption in RISC-V processors is hindered by the lack of a unified solution for lightweight, precision-scalable, and IEEE-754 arithmetic…

Hardware Architecture · Computer Science 2025-05-27 Qiong Li , Chao Fang , Longwei Huang , Jun Lin , Zhongfeng Wang

The b-posit, or bounded posit, is a variation of the posit format designed for high performance computing (HPC) and AI applications. Unlike traditional floating-point formats (floats), posits use variable-length fields for exponent scaling…

Hardware Architecture · Computer Science 2026-03-03 Aditya Anirudh Jonnalagadda , Rishi Thotli , John L. Gustafson

Low-precision formats have proven to be an efficient way to reduce not only the memory footprint but also the hardware resources and power consumption of deep learning computations. Under this premise, the posit numerical format appears to…

Machine Learning · Computer Science 2021-05-17 Gonçalo Raposo , Pedro Tomás , Nuno Roma

The accuracy requirements in many scientific computing workloads result in the use of double-precision floating-point arithmetic in the execution kernels. Nevertheless, emerging real-number representations, such as posit arithmetic, show…

Hardware Architecture · Computer Science 2024-03-15 David Mallasén , Alberto A. Del Barrio , Manuel Prieto-Matias

Posit has been a promising alternative to the IEEE-754 floating point format for deep learning applications due to its better trade-off between dynamic range and accuracy. However, hardware implementation of posit arithmetic requires…

Hardware Architecture · Computer Science 2023-07-27 Qiong Li , Chao Fang , Zhongfeng Wang

As new technologies are invented, their commercial viability needs to be carefully examined along with their technical merits and demerits. The posit data format, proposed as a drop-in replacement for IEEE 754 float format, is one such…

Hardware Architecture · Computer Science 2021-01-19 Vinay Saxena , Ankitha Reddy , Jonathan Neudorfer , John Gustafson , Sangeeth Nambiar , Rainer Leupers , Farhad Merchant

Posit arithmetic has emerged as a promising alternative to IEEE 754 floating-point representation, offering enhanced accuracy and dynamic range. However, division operations in posit systems remain challenging due to their inherent hardware…

Hardware Architecture · Computer Science 2025-11-05 Raul Murillo , Julio Villalba-Moreno , Alberto A. Del Barrio , Guillermo Botella

Conventional hardware-friendly quantization methods, such as fixed-point or integer, tend to perform poorly at very low word sizes as their shrinking dynamic ranges cannot adequately capture the wide data distributions commonly seen in…

Machine Learning · Computer Science 2020-02-12 Thierry Tambe , En-Yu Yang , Zishen Wan , Yuntian Deng , Vijay Janapa Reddi , Alexander Rush , David Brooks , Gu-Yeon Wei

This research investigates using a mixed-precision iterative refinement method using posit numbers instead of the standard IEEE floating-point format. The method is applied to solve a general linear system represented by the equation $Ax =…

Numerical Analysis · Mathematics 2024-08-28 James Quinlan , E. Theodore L. Omtzigt

The introduction of posit reopened the debate about the utility of IEEE754 in specific domains. In this context, we propose a high-level language (Scala) library that aims to reduce the effort of designing and testing new number…

Mathematical Software · Computer Science 2023-10-17 Stefan-Dan Ciocirlan , Dumitrel Loghin

Performing the inference step of deep learning in resource constrained environments, such as embedded devices, is challenging. Success requires optimization at both software and hardware levels. Low precision arithmetic and specifically low…

Computer Vision and Pattern Recognition · Computer Science 2018-05-23 Seyed H. F. Langroudi , Tej Pandit , Dhireesha Kudithipudi

Owing to the failure of Dennard's scaling the last decade has seen a steep growth of prominent new paradigms leveraging opportunities in computer architecture. Two technologies of interest are Posit and RISC-V. Posit was introduced in…

Hardware Architecture · Computer Science 2019-08-06 Sugandha Tiwari , Neel Gala , Chester Rebeiro , V. Kamakoti

Floating-point computations are quickly finding their way in the design of safety- and mission-critical systems, despite the fact that designing floating-point algorithms is significantly more difficult than designing integer algorithms.…

Artificial Intelligence · Computer Science 2015-08-03 Roberto Bagnara , Matthieu Carlier , Roberta Gori , Arnaud Gotlieb

Statistical computations are becoming increasingly important. These computations often need to be performed in log-space because probabilities become extremely small due to repeated multiplications. While using logarithms effectively…

Numerical Analysis · Mathematics 2025-09-16 Tiancheng Xu , Alan L. Cox , Scott Rixner

By exploiting the modular RISC-V ISA this paper presents the customization of instruction set with posit\textsuperscript{\texttrademark} arithmetic instructions to provide improved numerical accuracy, well-defined behavior and increased…

Hardware Architecture · Computer Science 2024-04-09 Federico Rossi , Francesco Urbani , Marco Cococcioni , Emanuele Ruffaldi , Sergio Saponara
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