Publication
CLUSTER 2017
Conference paper

Runtime Techniques for Programming with Fast and Slow Memory

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Abstract

The increase in memory capacity is substantially behind the increase in computing power in today's supercomputers. In order to alleviate the effect of this gap, diverse options such as NVM-non-volatile memory (less expensive but slow) and HBM-high bandwidth memory (fast but expensive) are being explored. In this paper, we present a common approach using parallel runtime techniques for utilizing NVM and HBM as extensions of the existing memory hierarchy. We evaluate our approach using matrix-matrix multiplication kernel implemented in CHARM++ and show that applications with memory requirement four times the HBM/DRAM capacity can be executed efficiently using significantly less total resources.

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CLUSTER 2017

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