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In the mid 1960s, when a single chip contained an average of 50 transistors, Gordon Moore observed that integrated circuits were doubling in complexity every year. In an in?uential article published by Electronics Magazine in 1965, Moore predicted that this trend would continue for the next 10 years. Despite being criticized for its “unrealistic optimism,” Moore’s prediction has remained valid for far longer than even he imagined: today, chips built using state-- the-art techniques typically contain several million transistors. The advances in fabrication technology that have supported Moore’s law for four decades have fuelled the computer revolution. However,this exponential increase in transistor density poses new design challenges to engineers and computer scientists alike. New techniques for managing complexity must be developed if circuits are to take full advantage of the vast numbers of transistors available. In this monograph we investigate both (i) the design of high-level languages for hardware description, and (ii) techniques involved in translating these hi- level languages to silicon. We propose SAFL, a ?rst-order functional language designedspeci?callyforbehavioralhardwaredescription,anddescribetheimp- mentation of its associated silicon compiler. We show that the high-level pr- erties of SAFL allow one to exploit program analyses and optimizations that are not employed in existing synthesis systems. Furthermore, since SAFL fully abstracts the low-leveldetails of the implementation technology, we show how it can be compiled to a range of di?erent design styles including fully synchronous design and globally asynchronous locally synchronous (GALS) circuits.
Computer hardware description languages --- Silicon compilers --- Electrical Engineering --- Electrical & Computer Engineering --- Engineering & Applied Sciences --- Computer hardware description languages. --- Silicon compilers. --- Compilation, Silicon --- Compilers, Silicon --- Silicon compilation --- Hardware description languages, Computer --- Languages, Computer hardware description --- Engineering. --- Computer hardware. --- Microprocessors. --- Software engineering. --- Programming languages (Electronic computers). --- Computer logic. --- Electronics. --- Microelectronics. --- Electronics and Microelectronics, Instrumentation. --- Computer Hardware. --- Processor Architectures. --- Software Engineering. --- Programming Languages, Compilers, Interpreters. --- Logics and Meanings of Programs. --- Electronic digital computers --- Compilers (Computer programs) --- Design and construction --- Data processing --- Computer science. --- Logic design. --- Design, Logic --- Design of logic systems --- Digital electronics --- Electronic circuit design --- Logic circuits --- Machine theory --- Switching theory --- Computer software engineering --- Engineering --- Informatics --- Science --- Electrical engineering --- Physical sciences --- Computer science logic --- Logic, Symbolic and mathematical --- Computer languages --- Computer program languages --- Computer programming languages --- Machine language --- Electronic data processing --- Languages, Artificial --- Minicomputers --- Microminiature electronic equipment --- Microminiaturization (Electronics) --- Electronics --- Microtechnology --- Semiconductors --- Miniature electronic equipment
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To reduce the deleterious effects of environmental contamination, governments across the world have enacted regulations broadly conceived for entire populations. Information arising out of the Human Genome Project and other cutting-edge genetic research is shifting the policymaking process. This fascinating volume draws on experts from academia, government, industry, and nongovernmental organizations to examine the science of genomic research as applied to environmental policy. The first section explores environmental policy applications, including subpopulation genetic profiling, industrial regulations, and standardizing governmental evaluation of genomic data. The second section assesses from multiple angles the legal framework involved in applying genomics to environmental regulation. In the third section, the contributors review closely the implications of genomic research for occupational health, from disease prevention and genetic susceptibility to toxicants, to workers' rights and potential employment discrimination. A fourth section explores the bioethical and philosophical complications of bringing genetic data and research into nonclinical regulatory frameworks.Genomics and Environmental Regulation points to ways in which information on toxicology and genetics can be used to craft more precise and efficient regulations.
Environmental Health --- Environmental health. --- Genetic toxicology. --- Genomics --- Genomics --- Genomics --- Genomics --- Government Regulation --- Public policy --- Legislation & jurisprudence --- Law and legislation --- Moral and ethical aspects. --- Ethics --- Legislation & jurisprudence
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