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High-performance Coarse Operators for FPGA-based Computing

High-performance Coarse Operators for FPGA-based Computing
Author: Matei Valentin Istoan
Publisher:
Total Pages: 255
Release: 2017
Genre:
ISBN:
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Field-Programmable Gate Arrays (FPGAs) have been shown to sometimes outperform mainstream microprocessors. The circuit paradigm enables efficient application-specific parallel computations. FPGAs also enable arithmetic efficiency: a bit is only computed if it is useful to the final result. To achieve this, FPGA arithmetic shouldn't be limited to basic arithmetic operations offered by microprocessors. This thesis studies the implementation of coarser operations on FPGAs, in three main directions: New FPGA-specific approaches for evaluating the sine, cosine and the arctangent have been developed. Each function is tuned for its context and is as versatile and flexible as possible. Arithmetic efficiency requires error analysis and parameter tuning, and a fine understanding of the algorithms used. Digital filters are an important family of coarse operators resembling elementary functions: they can be specified at a high level as a transfer function with constraints on the signal/noise ratio, and then be implemented as an arithmetic datapath based on additions and multiplications. The main result is a method which transforms a high-level specification into a filter in an automated way. The first step is building an efficient method for computing sums of products by constants. Based on this, FIR and IIR filter generators are constructed. For arithmetic operators to achieve maximum performance, context-specific pipelining is required. Even if the designer's knowledge is of great help when building and pipelining an arithmetic datapath, this remains complex and error-prone. A user-directed, automated method for pipelining has been developed. This thesis provides a generator of high-quality, ready-made operators for coarse computing cores, which brings FPGA-based computing a step closer to mainstream adoption. The cores are part of an open-ended generator, where functions are described as high-level objects such as mathematical expressions.

Design of FPGA-Based Computing Systems with OpenCL

Design of FPGA-Based Computing Systems with OpenCL
Author: Hasitha Muthumala Waidyasooriya
Publisher: Springer
Total Pages: 131
Release: 2017-10-24
Genre: Technology & Engineering
ISBN: 3319681613
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This book provides wide knowledge about designing FPGA-based heterogeneous computing systems, using a high-level design environment based on OpenCL (Open Computing language), which is called OpenCL for FPGA. The OpenCL-based design methodology will be the key technology to exploit the potential of FPGAs in various applications such as low-power embedded applications and high-performance computing. By understanding the OpenCL-based design methodology, readers can design an entire FPGA-based computing system more easily compared to the conventional HDL-based design, because OpenCL for FPGA takes care of computation on a host, data transfer between a host and an FPGA, computation on an FPGA with a capable of accessing external DDR memories. In the step-by-step way, readers can understand followings: how to set up the design environment how to write better codes systematically considering architectural constraints how to design practical applications

Approximate Arithmetic Circuit Architectures for FPGA-based Systems

Approximate Arithmetic Circuit Architectures for FPGA-based Systems
Author: Salim Ullah
Publisher: Springer Nature
Total Pages: 190
Release: 2023-02-27
Genre: Technology & Engineering
ISBN: 3031212940
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This book presents various novel architectures for FPGA-optimized accurate and approximate operators, their detailed accuracy and performance analysis, various techniques to model the behavior of approximate operators, and thorough application-level analysis to evaluate the impact of approximations on the final output quality and performance metrics. As multiplication is one of the most commonly used and computationally expensive operations in various error-resilient applications such as digital signal and image processing and machine learning algorithms, this book particularly focuses on this operation. The book starts by elaborating on the various sources of error resilience and opportunities available for approximations on various layers of the computation stack. It then provides a detailed description of the state-of-the-art approximate computing-related works and highlights their limitations.

High-Performance Computing Using FPGAs

High-Performance Computing Using FPGAs
Author: Wim Vanderbauwhede
Publisher: Springer Science & Business Media
Total Pages: 798
Release: 2013-08-23
Genre: Technology & Engineering
ISBN: 1461417910
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High-Performance Computing using FPGA covers the area of high performance reconfigurable computing (HPRC). This book provides an overview of architectures, tools and applications for High-Performance Reconfigurable Computing (HPRC). FPGAs offer very high I/O bandwidth and fine-grained, custom and flexible parallelism and with the ever-increasing computational needs coupled with the frequency/power wall, the increasing maturity and capabilities of FPGAs, and the advent of multicore processors which has caused the acceptance of parallel computational models. The Part on architectures will introduce different FPGA-based HPC platforms: attached co-processor HPRC architectures such as the CHREC’s Novo-G and EPCC’s Maxwell systems; tightly coupled HRPC architectures, e.g. the Convey hybrid-core computer; reconfigurably networked HPRC architectures, e.g. the QPACE system, and standalone HPRC architectures such as EPFL’s CONFETTI system. The Part on Tools will focus on high-level programming approaches for HPRC, with chapters on C-to-Gate tools (such as Impulse-C, AutoESL, Handel-C, MORA-C++); Graphical tools (MATLAB-Simulink, NI LabVIEW); Domain-specific languages, languages for heterogeneous computing(for example OpenCL, Microsoft’s Kiwi and Alchemy projects). The part on Applications will present case from several application domains where HPRC has been used successfully, such as Bioinformatics and Computational Biology; Financial Computing; Stencil computations; Information retrieval; Lattice QCD; Astrophysics simulations; Weather and climate modeling.

Data Processing on FPGAs

Data Processing on FPGAs
Author: Jens Teubner
Publisher: Morgan & Claypool Publishers
Total Pages: 120
Release: 2013-06-01
Genre: Computers
ISBN: 1627050612
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Roughly a decade ago, power consumption and heat dissipation concerns forced the semiconductor industry to radically change its course, shifting from sequential to parallel computing. Unfortunately, improving performance of applications has now become much more difficult than in the good old days of frequency scaling. This is also affecting databases and data processing applications in general, and has led to the popularity of so-called data appliances—specialized data processing engines, where software and hardware are sold together in a closed box. Field-programmable gate arrays (FPGAs) increasingly play an important role in such systems. FPGAs are attractive because the performance gains of specialized hardware can be significant, while power consumption is much less than that of commodity processors. On the other hand, FPGAs are way more flexible than hard-wired circuits (ASICs) and can be integrated into complex systems in many different ways, e.g., directly in the network for a high-frequency trading application. This book gives an introduction to FPGA technology targeted at a database audience. In the first few chapters, we explain in detail the inner workings of FPGAs. Then we discuss techniques and design patterns that help mapping algorithms to FPGA hardware so that the inherent parallelism of these devices can be leveraged in an optimal way. Finally, the book will illustrate a number of concrete examples that exploit different advantages of FPGAs for data processing. Table of Contents: Preface / Introduction / A Primer in Hardware Design / FPGAs / FPGA Programming Models / Data Stream Processing / Accelerated DB Operators / Secure Data Processing / Conclusions / Bibliography / Authors' Biographies / Index

Practical FPGA Programming in C

Practical FPGA Programming in C
Author: David Pellerin
Publisher: Prentice Hall
Total Pages: 472
Release: 2005
Genre: Computers
ISBN:
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FPGA brings high performance applications to market quickly – this book covers the many emerging platforms in a proven, effective manner.

Field-Programmable Logic and Applications: The Roadmap to Reconfigurable Computing

Field-Programmable Logic and Applications: The Roadmap to Reconfigurable Computing
Author: Reiner W. Hartenstein
Publisher: Springer
Total Pages: 872
Release: 2003-06-29
Genre: Computers
ISBN: 3540446141
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This book is the proceedings volume of the 10th International Conference on Field Programmable Logic and its Applications (FPL), held August 27 30, 2000 in Villach, Austria, which covered areas like reconfigurable logic (RL), reconfigurable computing (RC), and its applications, and all other aspects. Its subtitle "The Roadmap to Reconfigurable Computing" reminds us, that we are currently witnessing the runaway of a breakthrough. The annual FPL series is the eldest international conference in the world covering configware and all its aspects. It was founded 1991 at Oxford University (UK) and is 2 years older than its two most important competitors usually taking place at Monterey and Napa. FPL has been held at Oxford, Vienna, Prague, Darmstadt, London, Tallinn, and Glasgow (also see: http://www. fpl. uni kl. de/FPL/). The New Case for Reconfigurable Platforms: Converging Media. Indicated by palmtops, smart mobile phones, many other portables, and consumer electronics, media such as voice, sound, video, TV, wireless, cable, telephone, and Internet continue to converge. This creates new opportunities and even necessities for reconfigurable platform usage. The new converged media require high volume, flexible, multi purpose, multi standard, low power products adaptable to support evolving standards, emerging new standards, field upgrades, bug fixes, and, to meet the needs of a growing number of different kinds of services offered to zillions of individual subscribers preferring different media mixes.

FPGAs for Software Programmers

FPGAs for Software Programmers
Author: Dirk Koch
Publisher: Springer
Total Pages: 331
Release: 2016-06-17
Genre: Technology & Engineering
ISBN: 3319264087
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This book makes powerful Field Programmable Gate Array (FPGA) and reconfigurable technology accessible to software engineers by covering different state-of-the-art high-level synthesis approaches (e.g., OpenCL and several C-to-gates compilers). It introduces FPGA technology, its programming model, and how various applications can be implemented on FPGAs without going through low-level hardware design phases. Readers will get a realistic sense for problems that are suited for FPGAs and how to implement them from a software designer’s point of view. The authors demonstrate that FPGAs and their programming model reflect the needs of stream processing problems much better than traditional CPU or GPU architectures, making them well-suited for a wide variety of systems, from embedded systems performing sensor processing to large setups for Big Data number crunching. This book serves as an invaluable tool for software designers and FPGA design engineers who are interested in high design productivity through behavioural synthesis, domain-specific compilation, and FPGA overlays. Introduces FPGA technology to software developers by giving an overview of FPGA programming models and design tools, as well as various application examples; Provides a holistic analysis of the topic and enables developers to tackle the architectural needs for Big Data processing with FPGAs; Explains the reasons for the energy efficiency and performance benefits of FPGA processing; Provides a user-oriented approach and a sense for where and how to apply FPGA technology.

Reconfigurable Computing: Architectures, Tools and Applications

Reconfigurable Computing: Architectures, Tools and Applications
Author: Jürgen Becker
Publisher: Springer Science & Business Media
Total Pages: 401
Release: 2009-03-09
Genre: Computers
ISBN: 364200640X
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This book constitutes the refereed proceedings of the 5th International Workshop on Applied Reconfigurable Computing, ARC 2009, held in Karlsruhe, Germany, in March 2009. The 21 full papers and 21 short papers presented together with the abstracts of 3 keynote lectures were carefully reviewed and selected from about 100 submissions. The papers are organized in topical sections on FPGA security and bitstream analysis, fault tolerant systems, architectures, place and route techniques, cryptography, and resource allocation and scheduling, as well as on applications.

FPGA-based Implementation of Signal Processing Systems

FPGA-based Implementation of Signal Processing Systems
Author: Roger Woods
Publisher: John Wiley & Sons
Total Pages: 356
Release: 2017-05-01
Genre: Technology & Engineering
ISBN: 1119077958
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An important working resource for engineers and researchers involved in the design, development, and implementation of signal processing systems The last decade has seen a rapid expansion of the use of field programmable gate arrays (FPGAs) for a wide range of applications beyond traditional digital signal processing (DSP) systems. Written by a team of experts working at the leading edge of FPGA research and development, this second edition of FPGA-based Implementation of Signal Processing Systems has been extensively updated and revised to reflect the latest iterations of FPGA theory, applications, and technology. Written from a system-level perspective, it features expert discussions of contemporary methods and tools used in the design, optimization and implementation of DSP systems using programmable FPGA hardware. And it provides a wealth of practical insights—along with illustrative case studies and timely real-world examples—of critical concern to engineers working in the design and development of DSP systems for radio, telecommunications, audio-visual, and security applications, as well as bioinformatics, Big Data applications, and more. Inside you will find up-to-date coverage of: FPGA solutions for Big Data Applications, especially as they apply to huge data sets The use of ARM processors in FPGAs and the transfer of FPGAs towards heterogeneous computing platforms The evolution of High Level Synthesis tools—including new sections on Xilinx's HLS Vivado tool flow and Altera's OpenCL approach Developments in Graphical Processing Units (GPUs), which are rapidly replacing more traditional DSP systems FPGA-based Implementation of Signal Processing Systems, 2nd Edition is an indispensable guide for engineers and researchers involved in the design and development of both traditional and cutting-edge data and signal processing systems. Senior-level electrical and computer engineering graduates studying signal processing or digital signal processing also will find this volume of great interest.