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Multigrid methods for the Stokes problem on GPU systems

delete2025-06-12
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OA
AI
C
Cu Cui *
G
Guido Kanschat
DOI：10.1016/j.compfluid.2025.106703delete
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Abstract

Abstract

En 中文
• Efficient vertex-patch smoothers on divergence-conforming discretizations with interior penalty. • Matrix-free implementation with optimal Conflict-Free shared memory access pattern. • Operator application reaches up to 4 TFLOPS/s, 40% of system’s peak performance. • Fast diagonalization method for the efficient evaluation of the local solver. • Mixed precision approach with reduced runtime and same level of accuracy.
Keywords:
Stokes equation
Multigrid
Vertex-patch smoother
Matrix-free
Tensor-product
GPU

Journal

C
Computers and Fluids
IF:
3
Papers:
333
Citations:
1.4W

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No organization information available