Search Results for author: Tareq Uz Zaman

Found 2 papers, 2 papers with code

MG-GNN: Multigrid Graph Neural Networks for Learning Multilevel Domain Decomposition Methods

1 code implementation26 Jan 2023 Ali Taghibakhshi, Nicolas Nytko, Tareq Uz Zaman, Scott MacLachlan, Luke Olson, Matthew West

Domain decomposition methods (DDMs) are popular solvers for discretized systems of partial differential equations (PDEs), with one-level and multilevel variants.

Optimized Sparse Matrix Operations for Reverse Mode Automatic Differentiation

1 code implementation10 Dec 2022 Nicolas Nytko, Ali Taghibakhshi, Tareq Uz Zaman, Scott MacLachlan, Luke N. Olson, Matt West

Sparse matrix representations are ubiquitous in computational science and machine learning, leading to significant reductions in compute time, in comparison to dense representation, for problems that have local connectivity.

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