A distributed memory parallel randomized Kaczmarz for sparse system of equations

ES Bölükbaşı, FŞ Torun… - … : Practice and Experience, 2024 - Wiley Online Library
Kaczmarz algorithm is an iterative projection method for solving system of linear equations
that arise in science and engineering problems in various application domains. In addition to …

[HTML][HTML] A parallel multithreaded sparse triangular linear system solver

İ Çuğu, M Manguoğlu - Computers & Mathematics with Applications, 2020 - Elsevier
We propose a parallel sparse triangular linear system solver based on the Spike algorithm.
Sparse triangular systems are required to be solved in many applications. Often, they are a …

Partitioning and Reordering for Spike-Based Distributed-Memory Parallel Gauss--Seidel

T Torun, FS Torun, M Manguoglu, C Aykanat - SIAM Journal on Scientific …, 2022 - SIAM
Gauss--Seidel (GS) is a widely used iterative method for solving sparse linear systems of
equations and also known to be effective as a smoother in algebraic multigrid methods …

A multithreaded recursive and nonrecursive parallel sparse direct solver

ES Bolukbasi, M Manguoglu - … and Flow Simulation: New Methods and …, 2016 - Springer
Sparse linear system of equations often arises after discretization of the partial differential
equations (PDEs) such as computational fluid dynamics, material science, and structural …

Hybrid multi-projection method using sparse approximate inverses on GPU clusters

BE Moutafis, GA Gravvanis… - … Journal of High …, 2020 - journals.sagepub.com
The state-of-the-art supercomputing infrastructures are equipped with accelerators, such as
graphics processing units (GPUs), that operate as coprocessors for each workstation of the …

Parallel Schur complement techniques based on multiprojection methods

BE Moutafis, CK Filelis-Papadopoulos… - SIAM Journal on Scientific …, 2018 - SIAM
The simulation of several physical phenomena, arising from a wide class of scientific fields,
requires solving large sparse linear systems effectively. In order to exploit appropriately the …

[PDF][PDF] A general sparse sparse linear system solver and its application in openfoam

M Manguoglu - Partnership for Advanced Computing in Europe, 2012 - prace-ri.eu
Solution of large sparse linear systems is frequently the most time consuming operation in
computational fluid dynamics simulations. Improving the scalability of this operation is likely …

Hypergraph Partitioning and Reordering for Parallel Sparse Triangular Solves and Tensor Decomposition

T Torun - 2021 - search.proquest.com
Several scientific and real-world problems require computations with sparse ma-trices, or
more generally, sparse tensors which are multi-dimensional arrays. For sparse matrix …

Improved parallel preconditioners for multidisciplinary topology optimisations

HU Akay, E Oktay, M Manguoglu… - International Journal of …, 2016 - Taylor & Francis
Two commonly used preconditioners were evaluated for parallel solution of linear systems
of equations with high condition numbers. The test cases were derived from topology …

On the design of two-stage multiprojection methods for distributed memory systems

BE Moutafis, GA Gravvanis… - The Journal of …, 2020 - Springer
Solving large sparse linear systems, efficiently, on supercomputing infrastructures is a time-
consuming component for a wide variety of simulation processes. An effective parallel solver …