Gasnet Programming And Architecture

GASNet Programming and Architecture

"GASNet Programming and Architecture" "GASNet Programming and Architecture" presents a comprehensive exploration of GASNet, the high-performance communication library that underpins Partitioned Global Address Space (PGAS) languages and parallel middleware systems. The book opens with a clear exposition of the motivations, evolution, and foundational concepts behind GASNet, thoughtfully positioning it amidst other pivotal communication libraries such as MPI and OpenSHMEM. Readers are introduced to critical terminology and communication paradigms, supported by practical examples and a guided "Hello World" walkthrough, establishing strong groundwork for both new and seasoned parallel systems programmers. Delving into technical depth, the book methodically unpacks the layered GASNet software architecture, detailing the intricate functioning of memory segmentation, active messaging infrastructure, concurrency support, and resource management. It guides the reader through the effective use of GASNet APIs, offering insight into initialization nuances, remote memory access, asynchronous communication, synchronization, and error diagnostics. Rich discussions of advanced topics—such as zero-copy RDMA, hybrid programming, adaptive communication, and synchronization across heterogeneous resources—ensure that readers are equipped to design and implement high-performance, scalable applications on modern and emerging hardware platforms. "GASNet Programming and Architecture" also addresses essential concerns of robustness, scalability, and future-readiness. It provides clarity on performance analysis, profiling, and optimization strategies, grounding the discussion with case studies and practical advice for tuning at scale. The final chapters look ahead to next-generation research, examining GASNet’s integration with diverse hardware accelerators, persistent memory, autonomic communication engines, and evolving security challenges. This book stands as a definitive guide for engineers, researchers, and students seeking a thorough and insightful treatment of communication infrastructure fundamental to contemporary high-performance computing.

Intel Xeon Phi Processor High Performance Programming

Intel Xeon Phi Processor High Performance Programming is an all-in-one source of information for programming the Second-Generation Intel Xeon Phi product family also called Knights Landing. The authors provide detailed and timely Knights Landingspecific details, programming advice, and real-world examples. The authors distill their years of Xeon Phi programming experience coupled with insights from many expert customers — Intel Field Engineers, Application Engineers, and Technical Consulting Engineers — to create this authoritative book on the essentials of programming for Intel Xeon Phi products. Intel® Xeon PhiTM Processor High-Performance Programming is useful even before you ever program a system with an Intel Xeon Phi processor. To help ensure that your applications run at maximum efficiency, the authors emphasize key techniques for programming any modern parallel computing system whether based on Intel Xeon processors, Intel Xeon Phi processors, or other high-performance microprocessors. Applying these techniques will generally increase your program performance on any system and prepare you better for Intel Xeon Phi processors. - A practical guide to the essentials for programming Intel Xeon Phi processors - Definitive coverage of the Knights Landing architecture - Presents best practices for portable, high-performance computing and a familiar and proven threads and vectors programming model - Includes real world code examples that highlight usages of the unique aspects of this new highly parallel and high-performance computational product - Covers use of MCDRAM, AVX-512, Intel® Omni-Path fabric, many-cores (up to 72), and many threads (4 per core) - Covers software developer tools, libraries and programming models - Covers using Knights Landing as a processor and a coprocessor

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