Programming the EMU Architecture: Algorithm Design Considerations for Migratory-Threads-Based Systems

Authors: Mehmet E. Belviranli (Oak Ridge National Laboratory), Seyong Lee (Oak Ridge National Laboratory), Jeffrey S. Vetter (Oak Ridge National Laboratory)

Abstract: The decades-old memory bottleneck problem for data-intensive applications is getting worse as the processor core counts continue to increase. Workloads with sparse memory access characteristics only achieve a fraction of a system's total memory bandwidth. EMU architecture provides a radical approach to the issue by migrating the computational threads to the location where the data resides.

In EMU architecture, data distribution and thread creation strategies play a crucial role in achieving optimal performance in the EMU platform. In this work, we identify several design considerations that need to be taken care of while developing applications for the new architecture and we evaluate their performance effects on the EMU-chick hardware.

Best Poster Finalist (BP): no

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