Abstract
Lattice quantum chromodynamics is an important method for studying strong interaction through large-scale Monte Carlo numerical simulation calculations. Common computing platforms are difficult to meet the needs of large-scale high-precision calculations of lattice quantum chromodynamics. Sunway TaihuLight supercomputer, which is based on SW26010 heterogeneous many-core processor, can provide sufficient computing power, but applications still need large-scale parallelization and performance optimization according to its unique hardware architecture. Through the analysis and improvement of the previous work, we propose a new grid point data distribution method and perform efficient parallel computing. The lattice QCD application achieved the peak performance of 139.147TFlops using 1347840 cores on Sunway TaihuLight supercomputer and can maintain performance as the scale grows.KeywordsSW26010 heterogeneous many-core processorLattice quantum chromodynamicsParallel computingPerformance optimization
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