NDLI: Open-Source Variable-Precision Floating-Point Library for Major Commercial FPGAs

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ACM Transactions on Reconfigurable Technology and Systems (TRETS) : Volume 10

ACM Transactions on Reconfigurable Technology and Systems (TRETS) : Volume 9

Issue 4(Regular Papers and Special Section on Field Programmable Gate Arrays (FPGA) 2015), September 2016

Issue 3(Special Issue on Reconfigurable Components with Source Code), September 2016

Introduction to Special Issue on Reconfigurable Components with Source Code

Open-Source Variable-Precision Floating-Point Library for Major Commercial FPGAs

The Unified Accumulator Architecture: A Configurable, Portable, and Extensible Floating-Point Accumulator

Modular Switched Multiported SRAM-Based Memories

A Parallel Sliding-Window Generator for High-Performance Digital-Signal Processing on FPGAs

Optimizing Soft Vector Processing in FPGA-Based Embedded Systems

Hardware Accelerated Alignment Algorithm for Optical Labeled Genomes

Issue 2(Special Section on RAW2014), February 2016

Issue 1(Special Section on the 2014 International Symposium on Applied Reconfigurable Computing), November 2015

ACM Transactions on Reconfigurable Technology and Systems (TRETS) : Volume 8

ACM Transactions on Reconfigurable Technology and Systems (TRETS) : Volume 7

ACM Transactions on Reconfigurable Technology and Systems (TRETS) : Volume 6

ACM Transactions on Reconfigurable Technology and Systems (TRETS) : Volume 5

ACM Transactions on Reconfigurable Technology and Systems (TRETS) : Volume 4

ACM Transactions on Reconfigurable Technology and Systems (TRETS) : Volume 3

ACM Transactions on Reconfigurable Technology and Systems (TRETS) : Volume 2

ACM Transactions on Reconfigurable Technology and Systems (TRETS) : Volume 1

Open-Source Variable-Precision Floating-Point Library for Major Commercial FPGAs

Content Provider	ACM Digital Library
Author	Fang, Xin Leeser, Miriam
Copyright Year	2016
Abstract	There is increased interest in implementing floating-point designs for different precisions that take advantage of the flexibility offered by Field-Programmable Gate Arrays (FPGAs). In this article, we present updates to the Variable-precision FLOATing Point Library (VFLOAT) developed at Northeastern University and highlight recent improvements in implementations for implementing reciprocal, division, and square root components that scale to double precision for FPGAs from the two major vendors: Altera and Xilinx. Our library is open source and flexible and provides the user with many options. A designer has many tradeoffs to consider including clock frequency, total latency, and resource usage as well as target architecture. We compare the generated cores to those produced by each vendor and to another popular open-source tool: FloPoCo. VFLOAT has the advantage of not tying the user’s design to a specific target architecture and of providing the maximum flexibility for all options including clock frequency and latency compared to other alternatives. Our results show that variable-precision as well as double-precision designs can easily be accommodated and the resulting components are competitive and in many cases superior to the alternatives.
Starting Page	1
Ending Page	17
Page Count	17
File Format	PDF
ISSN	19367406
e-ISSN	19367414
DOI	10.1145/2851507
Volume Number	9
Issue Number	3
Journal	ACM Transactions on Reconfigurable Technology and Systems (TRETS)
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2016-07-19
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	FPGA Cross-platform Floating point Variable precision
Content Type	Text
Resource Type	Article
Subject	Computer Science

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VFloat: A Variable Precision Fixed- and Floating-Point Library for Reconfigurable Hardware

Fast, Efficient Floating-Point Adders and Multipliers for FPGAs

Faithful single-precision floating-point tangent for FPGAs

Single Precision Natural Logarithm Architecture for Hard Floating-Point and DSP-Enabled FPGAs

Parameterizable floating-point library for arithmetic operations in FPGAs

Single Precision Natural Logarithm Architecture for Hard Floating-Point and DSP-Enabled FPGAs

Configurable Multimode Embedded Floating-Point Units for FPGAs

FPGA implementation of an exact dot product and its application in variable-precision floating-point arithmetic

Floating-Point DSP Block Architecture for FPGAs

Open-Source Variable-Precision Floating-Point Library for Major Commercial FPGAs

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VFloat: A Variable Precision Fixed- and Floating-Point Library for Reconfigurable Hardware

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Faithful single-precision floating-point tangent for FPGAs

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