Improvements To Field Programmable Gate Array Design Efficiency Using Logic Synthesis
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Improvements To Field Programmable Gate Array Design Efficiency Using Logic Synthesis
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Author :
language : en
Publisher:
Release Date : 2002
Improvements To Field Programmable Gate Array Design Efficiency Using Logic Synthesis written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
PhD.
Improvements To Field Programmable Gate Array Design Efficiency Using Logic Synthesis
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Author : Andrew C. Ling
language : en
Publisher:
Release Date : 2009
Improvements To Field Programmable Gate Array Design Efficiency Using Logic Synthesis written by Andrew C. Ling and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
As Field-Programmable Gate Array (FPGA) capacity can now support several processors on a single device, the scalability of FPGA design tools and methods has emerged as a major obstacle for the wider use of FPGAs. For example, logic synthesis, which has traditionally been the fastest step in the FPGA Computer-Aided Design (CAD) flow, now takes several hours to complete in a typical FPGA compile. In this work, we address this problem by focusing on two areas. First, we revisit FPGA logic synthesis and attempt to improve its scalability. Specifically, we look at a binary decision diagram (BDD) based logic synthesis flow, referred to as FBDD, where we improve its runtime by several fold with a marginal impact to the resulting circuit area. We do so by speeding up the classical cut generation problem by an order-of-magnitude which enables its application directly at the logic synthesis level. Following this, we introduce a guided partitioning technique using a fast global budgeting formulation, which enables us to optimize individual "pockets" within the circuit without degrading the overall circuit performance. By using partitioning we can significantly reduce the solution space of the logic synthesis problem and, furthermore, open up the possibility of parallelizing the logic synthesis step.The second area we look at is the area of Engineering Change Orders (ECOs). ECOs are incremental modifications to a design late in the design flow. This is beneficial since it is minimally disruptive to the existing circuit which preserves much of the engineering effort invested previously in the design. In a design flow where most of the steps are fully automated, ECOs still remain largely a manual process. This can often tie up a designer for weeks leading to missed project deadlines which is very detrimental to products whose life-cycle can span only a few months. As a solution to this, we show how we can leverage existing logic synthesis techniques to automatically modify a circuit in a minimally disruptive manner. This can significantly reduce the turn-around time when applying ECOs.
Improvements To Field Programmable Gate Array Design Efficiency Using Logic Synthesis
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Author : Andrew C. Ling
language : en
Publisher:
Release Date : 2009
Improvements To Field Programmable Gate Array Design Efficiency Using Logic Synthesis written by Andrew C. Ling and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
As Field-Programmable Gate Array (FPGA) capacity can now support several processors on a single device, the scalability of FPGA design tools and methods has emerged as a major obstacle for the wider use of FPGAs. For example, logic synthesis, which has traditionally been the fastest step in the FPGA Computer-Aided Design (CAD) flow, now takes several hours to complete in a typical FPGA compile. In this work, we address this problem by focusing on two areas. First, we revisit FPGA logic synthesis and attempt to improve its scalability. Specifically, we look at a binary decision diagram (BDD) based logic synthesis flow, referred to as FBDD, where we improve its runtime by several fold with a marginal impact to the resulting circuit area. We do so by speeding up the classical cut generation problem by an order-of-magnitude which enables its application directly at the logic synthesis level. Following this, we introduce a guided partitioning technique using a fast global budgeting formulation, which enables us to optimize individual "pockets" within the circuit without degrading the overall circuit performance. By using partitioning we can significantly reduce the solution space of the logic synthesis problem and, furthermore, open up the possibility of parallelizing the logic synthesis step. The second area we look at is the area of Engineering Change Orders (ECOs). ECOs are incremental modifications to a design late in the design flow. This is beneficial since it is minimally disruptive to the existing circuit which preserves much of the engineering effort invested previously in the design. In a design flow where most of the steps are fully automated, ECOs still remain largely a manual process. This can often tie up a designer for weeks leading to missed project deadlines which is very detrimental to products whose life-cycle can span only a few months. As a solution to this, we show how we can leverage existing logic synthesis techniques to automatically modify a circuit in a minimally disruptive manner. This can significantly reduce the turn-around time when applying ECOs.
Logic Synthesis For Field Programmable Gate Arrays
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Author : Rajeev Murgai
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Logic Synthesis For Field Programmable Gate Arrays written by Rajeev Murgai and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
Short turnaround has become critical in the design of electronic systems. Software- programmable components such as microprocessors and digital signal processors have been used extensively in such systems since they allow rapid design revisions. However, the inherent performance limitations of software-programmable systems mean that they are inadequate for high-performance designs. Designers thus turned to gate arrays as a solution. User-programmable gate arrays (field-programmable gate arrays, FPGAs) have recently emerged and are changing the way electronic systems are designed and implemented. The growing complexity of the logic circuits that can be packed onto an FPGA chip means that it has become important to have automatic synthesis tools that implement logic functions on these architectures. Logic Synthesis for Field-Programmable Gate Arrays describes logic synthesis for both look-up table (LUT) and multiplexor-based architectures, with a balanced presentation of existing techniques together with algorithms and the system developed by the authors. Audience: A useful reference for VLSI designers, developers of computer-aided design tools, and anyone involved in or with FPGAs.
Field Programmable Gate Array Technology
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Author : Stephen M. Trimberger
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Field Programmable Gate Array Technology written by Stephen M. Trimberger and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
Many different kinds of FPGAs exist, with different programming technologies, different architectures and different software. Field-Programmable Gate Array Technology describes the major FPGA architectures available today, covering the three programming technologies that are in use and the major architectures built on those programming technologies. The reader is introduced to concepts relevant to the entire field of FPGAs using popular devices as examples. Field-Programmable Gate Array Technology includes discussions of FPGA integrated circuit manufacturing, circuit design and logic design. It describes the way logic and interconnect are implemented in various kinds of FPGAs. It covers particular problems with design for FPGAs and future possibilities for new architectures and software. This book compares CAD for FPGAs with CAD for traditional gate arrays. It describes algorithms for placement, routing and optimization of FPGAs. Field-Programmable Gate Array Technology describes all aspects of FPGA design and development. For this reason, it covers a significant amount of material. Each section is clearly explained to readers who are assumed to have general technical expertise in digital design and design tools. Potential developers of FPGAs will benefit primarily from the FPGA architecture and software discussion. Electronics systems designers and ASIC users will find a background to different types of FPGAs and applications of their use.
Field Programmable Gate Arrays
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Author : Stephen D. Brown
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Field Programmable Gate Arrays written by Stephen D. Brown and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Computers categories.
Field-Programmable Gate Arrays (FPGAs) have emerged as an attractive means of implementing logic circuits, providing instant manufacturing turnaround and negligible prototype costs. They hold the promise of replacing much of the VLSI market now held by mask-programmed gate arrays. FPGAs offer an affordable solution for customized VLSI, over a wide variety of applications, and have also opened up new possibilities in designing reconfigurable digital systems. Field-Programmable Gate Arrays discusses the most important aspects of FPGAs in a textbook manner. It provides the reader with a focused view of the key issues, using a consistent notation and style of presentation. It provides detailed descriptions of commercially available FPGAs and an in-depth treatment of the FPGA architecture and CAD issues that are the subjects of current research. The material presented is of interest to a variety of readers, including those who are not familiar with FPGA technology, but wish to be introduced to it, as well as those who already have an understanding of FPGAs, but who are interested in learning about the research directions that are of current interest.
Field Programmable Gate Array Logic Synthesis Using Boolean Satisfiability Microform
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Author : Andrew C. Ling
language : en
Publisher: Library and Archives Canada = Bibliothèque et Archives Canada
Release Date : 2005
Field Programmable Gate Array Logic Synthesis Using Boolean Satisfiability Microform written by Andrew C. Ling and has been published by Library and Archives Canada = Bibliothèque et Archives Canada this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
Field-Programmable gate arrays (FPGAs) are reprogrammable logic chips that can be configured to implement various digital circuits. FPGAs are fast replacing custom ASICs in many areas due to their flexibility and fast turn around times for product development. However, these benefits come at a heavy cost of area, speed, and power. The FPGA architecture and technology mapping phase are fundamental in determining the performance of the FPGA. This thesis presents novel tools using Boolean satisfiability (SAT) to aid in both these areas. First, an architecture efficiency evaluation tool is developed. The tool works by reading in a description of the FPGA architecture and rates how flexible that architecture can be in implementing various circuits. Next, a novel technology mapping approach is developed and compared to current methods. This work contrasts with current approaches since it can be applied to almost any FPGA architecture. Finally, a resynthesis algorithm is described which rates the utility of current FPGA technology mappers where it can also be used to discover optimal configurations of common subcircuits to digital design.
Digital Design Using Field Programmable Gate Arrays
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Author : Pak K. Chan
language : en
Publisher: Prentice Hall
Release Date : 1994
Digital Design Using Field Programmable Gate Arrays written by Pak K. Chan and has been published by Prentice Hall this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Computer-aided design categories.
For graduate and undergraduate students as well as professionals in the field of digital design. This is the first book to offer a complete description of FPGAs and the methods involved in using CAD design tools for implementation of digital systems using FPGAs. It covers both general concepts of systems and logic design and specific issues related to FPGAs themselves -- with reference to all existing technologies. KEY TOPICS: Provides a complete approach to digital systems specification, synthesis, implementation and prototyping. Outlines all steps in using FPGA technology in logic design -- from description of the problem to realization -- and contains practical, detailed examples throughout.
Synthesis And Optimization Of Fpga Based Systems
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Author : Valery Sklyarov
language : en
Publisher: Springer Science & Business Media
Release Date : 2014-03-14
Synthesis And Optimization Of Fpga Based Systems written by Valery Sklyarov and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-14 with Technology & Engineering categories.
The book is composed of two parts. The first part introduces the concepts of the design of digital systems using contemporary field-programmable gate arrays (FPGAs). Various design techniques are discussed and illustrated by examples. The operation and effectiveness of these techniques is demonstrated through experiments that use relatively cheap prototyping boards that are widely available. The book begins with easily understandable introductory sections, continues with commonly used digital circuits, and then gradually extends to more advanced topics. The advanced topics include novel techniques where parallelism is applied extensively. These techniques involve not only core reconfigurable logical elements, but also use embedded blocks such as memories and digital signal processing slices and interactions with general-purpose and application-specific computing systems. Fully synthesizable specifications are provided in a hardware-description language (VHDL) and are ready to be tested and incorporated in engineering designs. A number of practical applications are discussed from areas such as data processing and vector-based computations (e.g. Hamming weight counters/comparators). The second part of the book covers the more theoretical aspects of finite state machine synthesis with the main objective of reducing basic FPGA resources, minimizing delays and achieving greater optimization of circuits and systems.
Future Field Programmable Gate Array Fpga Design Methodologies And Tool Flows
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Author :
language : en
Publisher:
Release Date : 2008
Future Field Programmable Gate Array Fpga Design Methodologies And Tool Flows written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
Interest is growing in the use of FPGA devices for high-performance, efficient parallel computation. The large amount of programmable logic, internal routing, and memory can be used to perform a wide variety of high-performance computation more efficiently than traditional microprocessor-based computing architectures. The productivity of FPGA design, however, is very low. FPGA design is very time consuming and requires low-level hardware design skills. This study investigated this FPGA design productivity problem and identified potential solutions that will provide revolutionary improvements in design productivity. Three research areas that must be addressed to achieve such improvements are significant improvement in reuse of FPGA circuits, identification and deployment of higher level design abstractions, and increasing the number of turns per day to significantly increase the number of design iterations. The results of this study suggest that with adequate advancement in each of these areas, FPGA design productivity can be increased by 25X over current practice.