کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
462619 696873 2013 12 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Apple-CORE: Harnessing general-purpose many-cores with hardware concurrency management
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر شبکه های کامپیوتری و ارتباطات
پیش نمایش صفحه اول مقاله
Apple-CORE: Harnessing general-purpose many-cores with hardware concurrency management
چکیده انگلیسی

To harness the potential of CMPs for scalable, energy-efficient performance in general-purpose computers, the Apple-CORE project has co-designed a general machine model and concurrency control interface with dedicated hardware support for concurrency management across multiple cores. Its SVP interface combines dataflow synchronisation with imperative programming, towards the efficient use of parallelism in general-purpose workloads. Its implementation in hardware provides logic able to coordinate single-issue, in-order multi-threaded RISC cores into computation clusters on chip, called Microgrids. In contrast with the traditional “accelerator” approach, Microgrids are components in distributed systems on chip that consider both clusters of small cores and optional, larger sequential cores as system services shared between applications. The key aspects of the design are asynchrony, i.e. the ability to tolerate irregular long latencies on chip, a scale-invariant programming model, a distributed chip resource model, and the transparent performance scaling of a single program binary code across multiple cluster sizes. This article describes the execution model, the core micro-architecture, its realization in a many-core, general-purpose processor chip and its software environment. This article also presents cycle-accurate simulation results for various key algorithmic and cryptographic kernels. The results show good efficiency in terms of the utilisation of hardware despite the high-latency memory accesses and good scalability across relatively large clusters of cores.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Microprocessors and Microsystems - Volume 37, Issue 8, Part C, November 2013, Pages 1090–1101
نویسندگان
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