A raspberry Pi cluster instrumented for fine-grained power measurement

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Abstract

Power consumption has become an increasingly important metric when building large supercomputing clusters. One way to reduce power usage in large clusters is to use low-power embedded processors rather than the more typical high-end server CPUs (central processing units). We investigate various power-related metrics for seventeen different embedded ARM development boards in order to judge the appropriateness of using them in a computing cluster. We then build a custom cluster out of Raspberry Pi boards, which is specially designed for per-node detailed power measurement. In addition to serving as an embedded cluster testbed, our cluster’s power measurement, visualization and thermal features make it an excellent low-cost platform for education and experimentation.

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Cloutier, M. F., Paradis, C., & Weaver, V. M. (2016). A raspberry Pi cluster instrumented for fine-grained power measurement. Electronics (Switzerland), 5(4). https://doi.org/10.3390/electronics5040061

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