Analysis and Design of Computerized Numerical Controls for Execution on Multi-core Systems☆

Analysis and Design of Computerized Numerical Controls for Execution on Multi-core Systems☆
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在多核系统上执行的计算机数控的分析和设计â

DOI:
10.1016/j.procir.2015.12.021
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发表时间:
2016
期刊:
Procedia CIRP
影响因子:
--
通讯作者:
Alexander
Alexander
中科院分区:
--
文献类型:
--
作者:
Vivanco;José María;Keinert;Matthias;Lechler;Alexander

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与单核平台相比,多核处理器可提供更高的性能。这种性能上的飞跃被期望移植到计算机化的数控系统中。然而,为了从多核处理器带来的好处中获益,软件必须针对真实的并行执行进行定制。本文提出了一个概念,用于划分数控软件的功能,可在多核系统上并发执行。具体地,解释器和刀具半径补偿模块进行了分析,设计了一个可行的并行架构。解析器算法已按照所提出的方案以基于线程的方法实现。实验是在真实的实时Linux内核扩展下利用PREEMPT_RT补丁进行的。将结果与其串行版本的执行时间进行比较,以验证概念。
Multi-core processors offer a performance increment compared to single-core platforms. This leap in performance is desired to be ported to computerized numerical controls. However, in order to profit of the benefits multi-core processors can bring, the software has to be tailored to real parallel execution. In this paper a concept is proposed for partitioning numerical control software functions for being concurrently executed on multi-core systems. Specifically, the interpreter and the cutter radius compensation modules have been analyzed for devising a feasible parallel architecture. The parser algorithm has been implemented following the proposed scheme in a thread-based approach. Experiments were conducted under a real time Linux kernel extension utilizing the PREEMPT_RT patch. The results were compared against its serial version in terms of execution times to validate the concept.
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期刊:
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