Piyush Sao Research Scientist Contact 865.341.0265 | SAOPK@ORNL.GOV All Publications Scalable All-pairs Shortest Paths for Huge Graphs on Multi-GPU Clusters A communication-avoiding 3D sparse triangular solver Accelerated Constrained Sparse Tensor Factorization on Massively Parallel Architectures PANDORA: A Parallel Dendrogram Construction Algorithm for Single Linkage Clustering on GPU... Unified Communication Optimization Strategies for Sparse Triangular Solver on CPU and GPU Clusters Optimizing Communication in 2D Grid-Based MPI Applications at Exascale Brief Announcement: Communication Optimal Sparse LU Factorization for Planar Matrices Newly Released Capabilities in the Distributed-Memory SuperLU Sparse Direct Solver A single-tree algorithm to compute the Euclidean minimum spanning tree on GPUs Resilience Design Patterns: A Structured Approach to Resilience at Extreme Scale (Version 2.0) Exaflops Biomedical Knowledge Graph Analytics Sparse Binary Matrix-Vector Multiplication on Neuromorphic Computers Scalable Knowledge Graph Analytics at 136 Petaflop/s Multifrontal Non-negative Matrix Factorization Traversing large graphs on GPUs with unified memory A supernodal all-pairs shortest path algorithm Self-stabilizing Connected Components A communication-avoiding 3D algorithm for sparse LU factorization on heterogeneous systems Key Links Organizations Computing and Computational Sciences Directorate Computer Science and Mathematics Division Mathematics in Computation Section Discrete Algorithms Group