285 research outputs found

    University of Maine Undergraduate Catalog, 2022-2023

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    The University of Maine undergraduate catalog for the 2022-2023 academic year includes an introduction, the academic calendars, general information about the university, and sections on attending, facilities and centers, and colleges and academic programs including the Colleges of Business, Public Policy and Health, Education and Development, Engineering, Liberal Arts and Sciences, and Natural Sciences, Forestry and Agriculture

    Einführung in z/OS

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    z/OS Internet Integration

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    Embedded System Design

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    A unique feature of this open access textbook is to provide a comprehensive introduction to the fundamental knowledge in embedded systems, with applications in cyber-physical systems and the Internet of things. It starts with an introduction to the field and a survey of specification models and languages for embedded and cyber-physical systems. It provides a brief overview of hardware devices used for such systems and presents the essentials of system software for embedded systems, including real-time operating systems. The author also discusses evaluation and validation techniques for embedded systems and provides an overview of techniques for mapping applications to execution platforms, including multi-core platforms. Embedded systems have to operate under tight constraints and, hence, the book also contains a selected set of optimization techniques, including software optimization techniques. The book closes with a brief survey on testing. This fourth edition has been updated and revised to reflect new trends and technologies, such as the importance of cyber-physical systems (CPS) and the Internet of things (IoT), the evolution of single-core processors to multi-core processors, and the increased importance of energy efficiency and thermal issues

    Service Boosters: Library Operating Systems For The Datacenter

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    Cloud applications are taking an increasingly important place our technology and economic landscape. Consequently, they are subject to stringent performance requirements. High tail latency — percentiles at the tail of the response time distribution — is a threat to these requirements. As little as 0.01% slow requests in one microservice can significantly degrade performance for the entire application. The conventional wisdom is that application-awareness is crucial to design optimized performance management systems, but comes at the cost of maneuverability. Consequently, existing execution environments are often general-purpose and ignore important application features such as the architecture of request processing pipelines or the type of requests being served. These one-size-fits-all solutions are missing crucial information to identify and remove sources of high tail latency. This thesis aims to develop a lightweight execution environment exploiting application semantics to optimize tail performance for cloud services. This system, dubbed Service Boosters, is a library operating system exposing application structure and semantics to the underlying resource management stack. Using Service Boosters, programmers use a generic programming model to build, declare and an-notate their request processing pipeline, while performance engineers can program advanced management strategies. Using Service Boosters, I present three systems, FineLame, Perséphone, and DeDoS, that exploit application awareness to provide real time anomaly detection; tail-tolerant RPC scheduling; and resource harvesting. FineLame leverages awareness of the request processing pipeline to deploy monitoring and anomaly detection probes. Using these, FineLame can detect abnormal requests in-flight whenever they depart from the expected behavior and alerts other resource management modules. Pers ́ephone exploits an understanding of request types to dynamically allocate resources to each type and forbid pathological head-of-line blocking from heavy-tailed workloads, without the need for interrupts. Pers ́ephone is a low overhead solution well suited for microsecond scale workloads. Finally, DeDoS can identify overloaded components and dynamically scale them, harvesting only the resources needed to quench the overload. Service Boosters is a powerful framework to handle tail latency in the datacenter. Service Boosters clearly separates the roles of application development and performance engineering, proposing a general purpose application programming model while enabling the development of specialized resource management modules such as Perséphone and DeDoS

    General Course Catalog [July-December 2020]

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    Undergraduate Course Catalog, July-December 2020https://repository.stcloudstate.edu/undergencat/1132/thumbnail.jp

    General Course Catalog [January-June 2020]

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    Undergraduate Course Catalog, January-June 2020https://repository.stcloudstate.edu/undergencat/1131/thumbnail.jp

    University of Maine Undergraduate Catalog, 2020-2021, part 2

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    The second part (of two) of the undergraduate catalog for the 2020-2021 academic year includes an introduction, the academic calendars, general information about the university, and sections on attending, facilities and centers, and colleges and academic programs including the Colleges of Business, Public Policy and Health, Education and Development, Engineering, Liberal Arts and Sciences, and Natural Sciences, Forestry and Agriculture
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