Xiaowen Xu

activity

20162023

most citedAlgebraic multigrid block preconditioning for multi-group radiation diffusion equations

11 citations · 16 across the 6 of their papers we have counts for

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Showing 2023Show all

2 papers · 1 filter

cs.AR2023★ 1 cited

Implementing Performance Portability of High Performance Computing Programs in the New Golden Age of Chip Architecture

Weifeng Liu, Linping Wu, Xiaowen Xu +1

As an important goal of high-performance computing, the concept of performance portability has been around for many years. As the failure of Moore's Law, it is no longer feasible t…

math.NA2023

AutoAMG( $θ$ ): An Auto-tuned AMG Method Based on Deep Learning for Strong Threshold

Haifeng Zou, Xiaowen Xu, Chen-Song Zhang +1

Algebraic Multigrid (AMG) is one of the most used iterative algorithms for solving large sparse linear equations $A x = b$ . In AMG, the coarse grid is a key component that affects the…

Implementing Performance Portability of High Performance Computing Programs in the New Golden Age of Chip Architecture

AutoAMG(θ): An Auto-tuned AMG Method Based on Deep Learning for Strong Threshold

AutoAMG( $θ$ ): An Auto-tuned AMG Method Based on Deep Learning for Strong Threshold