Design Methodology for Responsive and Rrobust MIMO Control of Heterogeneous Multicores

Design Methodology for Responsive and Rrobust MIMO Control of Heterogeneous Multicores
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异构多核的响应式鲁棒 MIMO 控制设计方法

DOI:
10.1109/tmscs.2018.2808524
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发表时间:
2018
期刊:
IEEE Transactions on Multi-Scale Computing Systems
影响因子:
--
通讯作者:
Dutt, Nikil
Dutt, Nikil
中科院分区:
--
文献类型:
--
作者:
Muck, Tiago;Donyanavard, Bryan;Moazzemi, Kasra;Rahmani, Amir M.;Jantsch, Axel;Dutt, Nikil

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通常部署异类多核处理器(HMP)来满足新兴工作负载的性能和功率要求。HMPS需要自适应和协调的资源管理技术来控制这样的复杂系统。虽然多输入多输出(MIMO)控制理论已被应用于单核处理器的自适应资源协调,但由于系统动态建模的不可管理的复杂性,HMP的协调管理对实现健壮性和响应性提出了显著的额外挑战。本文首次提出了一种设计具有快速响应和协调管理形式化保证的鲁棒MIMO控制器的方法。我们的方法解决了以下挑战:(1)系统分解和辨识;(2)选择合适的传感器和执行器粒度;(3)适当的系统建模,使系统既可识别又可控制。我们在一个运行Linux的ARM Big.LITTLE HMP平台上演示了该方法的实际适用性,并通过设计基于MIMO的资源管理器验证了该方法的有效性和健壮性。
Heterogeneous multicore processors (HMPs) are commonly deployed to meet the performance and power requirements of emerging workloads. HMPs demand adaptive and coordinated resource management techniques to control such complex systems. While Multiple-Input-Multiple-Output (MIMO) control theory has been applied to adaptively coordinate resources forsingle-coreprocessors, the coordinated management of HMPs poses significant additional challenges for achieving robustness and responsiveness, due to the unmanageable complexity of modeling the system dynamics. This paper presents, for the first time, a methodology to design robust MIMO controllers with rapid response and formal guarantees for coordinated management of HMPs. Our approach addresses the challenges of: (1) system decomposition and identification; (2) selection of suitable sensor and actuator granularity; and (3) appropriate system modeling to make the system identifiable as well as controllable. We demonstrate the practical applicability of our approach on an ARM big.LITTLE HMP platform running Linux, and demonstrate the efficiency and robustness of our method by designing MIMO-based resource managers.
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