Code Optimization Techniques For Embedded Processors

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Code Optimization Techniques For Embedded Processors

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Author : Rainer Leupers
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09

Code Optimization Techniques For Embedded Processors written by Rainer Leupers 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 2013-03-09 with Computers categories.

The building blocks of today's and future embedded systems are complex intellectual property components, or cores, many of which are programmable processors. Traditionally, these embedded processors mostly have been pro grammed in assembly languages due to efficiency reasons. This implies time consuming programming, extensive debugging, and low code portability. The requirements of short time-to-market and dependability of embedded systems are obviously much better met by using high-level language (e.g. C) compil ers instead of assembly. However, the use of C compilers frequently incurs a code quality overhead as compared to manually written assembly programs. Due to the need for efficient embedded systems, this overhead must be very low in order to make compilers useful in practice. In turn, this requires new compiler techniques that take the specific constraints in embedded system de sign into account. An example are the specialized architectures of recent DSP and multimedia processors, which are not yet sufficiently exploited by existing compilers.

Improved Code Optimization Techniques For Embedded Processors

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Author : Sunil R. Atri
language : en
Publisher:
Release Date : 1999

Improved Code Optimization Techniques For Embedded Processors written by Sunil R. Atri and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.

Source Code Optimization Techniques For Data Flow Dominated Embedded Software

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Author : Heiko Falk
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-19

Source Code Optimization Techniques For Data Flow Dominated Embedded Software written by Heiko Falk 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 2013-03-19 with Computers categories.

This book focuses on source-to-source code transformations that remove addressing-related overhead present in most multimedia or signal processing application programs. This approach is complementary to existing compiler technology. What is particularly attractive about the transformation flow pre sented here is that its behavior is nearly independent of the target processor platform and the underlying compiler. Hence, the different source code trans formations developed here lead to impressive performance improvements on most existing processor architecture styles, ranging from RISCs like ARM7 or MIPS over Superscalars like Intel-Pentium, PowerPC, DEC-Alpha, Sun and HP, to VLIW DSPs like TI C6x and Philips TriMedia. The source code did not have to be modified between processors to obtain these results. Apart from the performance improvements, the estimated energy is also significantly reduced for a given application run. These results were not obtained for academic codes but for realistic and rep resentative applications, all selected from the multimedia domain. That shows the industrial relevance and importance of this research. At the same time, the scientific novelty and quality of the contributions have lead to several excellent papers that have been published in internationally renowned conferences like e. g. DATE. This book is hence of interest for academic researchers, both because of the overall description of the methodology and related work context and for the detailed descriptions of the compilation techniques and algorithms.

Advanced Memory Optimization Techniques For Low Power Embedded Processors

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Author : Manish Verma
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-06-20

Advanced Memory Optimization Techniques For Low Power Embedded Processors written by Manish Verma 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 2007-06-20 with Technology & Engineering categories.

This book proposes novel memory hierarchies and software optimization techniques for the optimal utilization of memory hierarchies. It presents a wide range of optimizations, progressively increasing in the complexity of analysis and of memory hierarchies. The final chapter covers optimization techniques for applications consisting of multiple processes found in most modern embedded devices.

Software Engineering For Embedded Systems

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Author : Robert Oshana
language : en
Publisher: Elsevier Inc. Chapters
Release Date : 2013-04-01

Software Engineering For Embedded Systems written by Robert Oshana and has been published by Elsevier Inc. Chapters this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-01 with Technology & Engineering categories.

Code optimization is a critical step in the development process as it directly impacts the ability of the system to do its intended job. Code that executes faster means more channels, more work performed and competitive advantage. Code that executes in less memory enables more application features to fit into the cell phone. Code that executes with less overall power consumption increases battery life or reduces money spent on powering a base station. This chapter is intended to help programmers write the most efficient code possible, whether that is measured in processor cycles, memory, or power. It starts with an introduction to using the tool chain, covers the importance of knowing the embedded architecture before optimization, then moves on to cover a wide range of optimization techniques. Techniques are presented which are valid on all programmable architectures – C-language optimization techniques and general loop transformations. Real-world examples are presented throughout.

Worst Case Execution Time Aware Compilation Techniques For Real Time Systems

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Author : Paul Lokuciejewski
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-09-24

Worst Case Execution Time Aware Compilation Techniques For Real Time Systems written by Paul Lokuciejewski 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 2010-09-24 with Technology & Engineering categories.

For real-time systems, the worst-case execution time (WCET) is the key objective to be considered. Traditionally, code for real-time systems is generated without taking this objective into account and the WCET is computed only after code generation. Worst-Case Execution Time Aware Compilation Techniques for Real-Time Systems presents the first comprehensive approach integrating WCET considerations into the code generation process. Based on the proposed reconciliation between a compiler and a timing analyzer, a wide range of novel optimization techniques is provided. Among others, the techniques cover source code and assembly level optimizations, exploit machine learning techniques and address the design of modern systems that have to meet multiple objectives. Using these optimizations, the WCET of real-time applications can be reduced by about 30% to 45% on the average. This opens opportunities for decreasing clock speeds, costs and energy consumption of embedded processors. The proposed techniques can be used for all types real-time systems, including automotive and avionics IT systems.

Code Optimization For Embedded Systems

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Author :
language : en
Publisher:
Release Date : 2003

Code Optimization For Embedded Systems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.

This project investigated a number of problems that arise in compiling application code for embedded systems. These systems present the compiler with a number of challenges that arise from economic constraints, physical constraints, and idiosyncratic requirements of the application and processors. The project developed new techniques in optimization and code generation that addressed problems including code size reduction, instruction scheduling, data placement (on partitioned register set machines), spill code reduction, and operator strength reduction. It also produced fundamental work on transformation ordering.

Software Development For Embedded Multi Core Systems

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Author : Max Domeika
language : en
Publisher: Newnes
Release Date : 2011-04-08

Software Development For Embedded Multi Core Systems written by Max Domeika and has been published by Newnes this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-04-08 with Computers categories.

The multicore revolution has reached the deployment stage in embedded systems ranging from small ultramobile devices to large telecommunication servers. The transition from single to multicore processors, motivated by the need to increase performance while conserving power, has placed great responsibility on the shoulders of software engineers. In this new embedded multicore era, the toughest task is the development of code to support more sophisticated systems. This book provides embedded engineers with solid grounding in the skills required to develop software targeting multicore processors. Within the text, the author undertakes an in-depth exploration of performance analysis, and a close-up look at the tools of the trade. Both general multicore design principles and processor-specific optimization techniques are revealed. Detailed coverage of critical issues for multicore employment within embedded systems is provided, including the Threading Development Cycle, with discussions of analysis, design, development, debugging, and performance tuning of threaded applications. Software development techniques engendering optimal mobility and energy efficiency are highlighted through multiple case studies, which provide practical “how-to advice on implementing the latest multicore processors. Finally, future trends are discussed, including terascale, speculative multithreading, transactional memory, interconnects, and the software-specific implications of these looming architectural developments. Table of Contents Chapter 1 - Introduction Chapter 2 – Basic System and Processor Architecture Chapter 3 – Multi-core Processors & Embedded Chapter 4 –Moving To Multi-core Intel Architecture Chapter 5 – Scalar Optimization & Usability Chapter 6 – Parallel Optimization Using Threads Chapter 7 - Case Study: Data Decomposition Chapter 8 - Case Study: Functional Decomposition Chapter 9 – Virtualization & Partitioning Chapter 10 – Getting Ready For Low Power Intel Architecture Chapter 11 - Summary, Trends, and Conclusions Appendix I Glossary References *This is the only book to explain software optimization for embedded multi-core systems *Helpful tips, tricks and design secrets from an Intel programming expert, with detailed examples using the popular X86 architecture *Covers hot topics, including ultramobile devices, low-power designs, Pthreads vs. OpenMP, and heterogeneous cores

Retargetable Compiler Technology For Embedded Systems

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Author : Rainer Leupers
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09

Retargetable Compiler Technology For Embedded Systems written by Rainer Leupers 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 2013-03-09 with Computers categories.

It is well known that embedded systems have to be implemented efficiently. This requires that processors optimized for certain application domains are used in embedded systems. Such an optimization requires a careful exploration of the design space, including a detailed study of cost/performance tradeoffs. In order to avoid time-consuming assembly language programming during design space exploration, compilers are needed. In order to analyze the effect of various software or hardware configurations on the performance, retargetable compilers are needed that can generate code for numerous different potential hardware configurations. This book provides a comprehensive and up-to-date overview of the fast developing area of retargetable compilers for embedded systems. It describes a large set important tools as well as applications of retargetable compilers at different levels in the design flow. Retargetable Compiler Technology for Embedded Systems is mostly self-contained and requires only fundamental knowledge in software and compiler design. It is intended to be a key reference for researchers and designers working on software, compilers, and processor optimization for embedded systems.

Proceedingsof The 10th International Workshop On Software Compilers For Embedded Systems

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Author : Heiko Falk
language : en
Publisher:
Release Date : 2007

Proceedingsof The 10th International Workshop On Software Compilers For Embedded Systems written by Heiko Falk and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Computer science categories.