Execution Trace--Driven Energy-Reliability Optimization for Multimedia MPSoCs
Execution Trace--Driven Energy-Reliability Optimization for Multimedia MPSoCs
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执行跟踪——多媒体 MPSoC 驱动的能源可靠性优化
DOI：
10.1145/2665071
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发表时间：
2015
期刊：
影响因子：
--
通讯作者：
Akash Kumar
中科院分区：
文献类型：
--
作者：
Anup Das;Ashutosh Kumar Singh;Akash Kumar
片上的多处理器系统（MPSOC）成为当前和未来的技术节点中的流行设计选择，以适应这些平台上启用的多种应用程序的异质计算需求。这些设备的应用空间。作为独立的（最佳效果）和其他优化目标，例如能量和可靠性。由于资源不可用和与应用程序行为相关的动态，这是多媒体应用程序的典型研究。考虑直接影响用户满意度的吞吐量。此外，每一个映射中的每个映射都可以最小化，同时满足吞吐量的限制。 Real SDFG表明，该提出的技术在最先进的方法方面取得了显着改善，该方法在吞吐量和储存开销方面，能量少于20％。
Multiprocessor systems-on-chip (MPSoCs) are becoming a popular design choice in current and future technology nodes to accommodate the heterogeneous computing demand of a multitude of applications enabled on these platform. Streaming multimedia and other communication-centric applications constitute a significant fraction of the application space of these devices. The mapping of an application on an MPSoC is an NP-hard problem. This has attracted researchers to solve this problem both as stand-alone (best-effort) and in conjunction with other optimization objectives, such as energy and reliability. Most existing studies on energy-reliability joint optimization are static—that is, design time based. These techniques fail to capture runtime variability such as resource unavailability and dynamism associated with application behaviors, which are typical of multimedia applications. The few studies that consider dynamic mapping of applications do not consider throughput degradation, which directly impacts user satisfaction. This article proposes a runtime technique to analyze the execution trace of an application modeled as Synchronous Data Flow Graphs (SDFGs) to determine its mapping on a multiprocessor system with heterogeneous processing units for different fault scenarios. Further, communication energy is minimized for each of these mappings while satisfying the throughput constraint. Experiments conducted with synthetic and real SDFGs demonstrate that the proposed technique achieves significant improvement with respect to the state-of-the-art approaches in terms of throughput and storage overhead with less than 20% energy overhead.
使用统一的基于模型的方法，为基于 NoC 的 MPSoC 提供功耗感知动态映射启发式方法
影响因子：
2
作者：
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通讯作者：
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