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Remote Participation
Accelerate MMEwald on a New Generation of Sunway Supercomputer
Event Type
Online Only
Extreme Scale Comptuing
Heterogeneous Systems
Memory Systems
Parallel Programming Languages and Models
Resource Management and Scheduling
Registration Categories
TimeSunday, 14 November 202111:30am - 12pm CST
DescriptionThe Poisson solver for the calculation of the electrostatic potential is an essential primitive in quantum mechanics calculations. In this paper, we adopt the Ewald method and propose a highly-optimized and scalable framework for Poisson solver, MMEwald, on the new generation Sunway supercomputer, capable of utilizing the collection of 390-core accelerators it is equipped with. The MMEwald is based on a grid adapted cut-plane approach to partition the points into batches and distribute the batch to the processors. Furthermore, we propose a set of architecture-specific optimizations to efficiently utilize the memory bandwidth and computation capacity of the supercomputer.
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