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Performance and Power Analysis of HPC Workloads on Heterogeneous Multi-Node Clusters

By Filippo Mantovani and Enrico Calore


Performance analysis tools allow application developers to identify and characterize the inefficiencies that cause performance degradation in their codes, allowing for application optimizations. Due to the increasing interest in the High Performance Computing (HPC) community towards energy-efficiency issues, it is of paramount importance to be able to correlate performance and power figures within the same profiling and analysis tools. For this reason, we present a performance and energy-efficiency study aimed at demonstrating how a single tool can be used to collect most of the relevant metrics. In particular, we show how the same analysis techniques can be applicable on different architectures, analyzing the same HPC application on a high-end and a low-power cluster. The former cluster embeds Intel Haswell CPUs and NVIDIA K80 GPUs, while the latter is made up of NVIDIA Jetson TX1 boards, each hosting an Arm Cortex-A57 CPU and an NVIDIA Tegra X1 Maxwell GPU

Topics: performance analysis tools, power drain, energy to solution, paraver, GPU, cluster, High-Performance Computing, energy efficiency
Year: 2018
DOI identifier: 10.3390/jlpea8020013
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