tailieunhanh - Hyper-Threading Technology Architecture and Microarchitecture
Hyper-Threading Technology Architecture and Microarchitecture Deborah T. Marr, Desktop Products Group, Intel Corp. Frank Binns, Desktop ProductsGroup, Intel Corp. David L. Hill, Desktop Products Group, Intel Corp. Glenn Hinton, Desktop Products | Hyper-Threading Technology Architecture and Microarchitecture Hyper-Threading Technology Architecture and Microarchitecture Deborah T. Marr, Desktop Products Group, Intel Corp. Frank Binns, Desktop ProductsGroup, Intel Corp. David L. Hill, Desktop Products Group, Intel Corp. Glenn Hinton, Desktop Products Group, Intel Corp. David A. Koufaty, Desktop Products Group, Intel Corp. J. Alan Miller, Desktop Products Group, Intel Corp. Michael Upton, CPU Architecture, Desktop Products Group, Intel Corp. Index words: architecture, microarchitecture, Hyper-Threading Technology, simultaneous multi- threading, multiprocessor INTRODUCTION ABSTRACT The amazing growth of the Internet and telecommunications is powered by ever-faster systems Intel’s Hyper-Threading Technology brings the concept demanding increasingly higher levels of processor of simultaneous multi-threading to the Intel performance. To keep up with this demand we cannot Architecture. Hyper-Threading Technology makes a rely entirely on traditional approaches to processor single physical processor appear as two logical design. Microarchitecture techniques used to achieve processors; the physical execution resources are shared past processor performance improvement–super- and the architecture state is duplicated for the two pipelining, branch prediction, super-scalar execution, logical processors. From a software or architecture out-of-order execution, caches–have made perspective, this means operating systems and user microprocessors increasingly more complex, have more programs can schedule processes or threads to logical transistors, and consume more power. In fact, transistor processors as they would on multiple physical counts and power are increasing at rates greater than processors. From a microarchitecture perspective, this processor performance. Processor architects are means that instructions from both logical processors therefore looking for .
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