Communication lower bounds and optimal algorithms for numerical linear algebra

G Ballard, E Carson, J Demmel, M Hoemmen… - Acta Numerica, 2014 - cambridge.org
The traditional metric for the efficiency of a numerical algorithm has been the number of
arithmetic operations it performs. Technological trends have long been reducing the time to …

Wire-grid and sparse MoM antennas: Past evolution, present implementation, and future possibilities

A Alhaj Hasan, TM Nguyen, SP Kuksenko, TR Gazizov - Symmetry, 2023 - mdpi.com
Since the end of the 19th century, radioelectronic devices (REDs) have actively penetrated
into all modern community spheres. Achievements in the fields of radio engineering and …

[图书][B] Communication-avoiding Krylov subspace methods in theory and practice

EC Carson - 2015 - search.proquest.com
Advancements in the field of high-performance scientific computing are necessary to
address the most important challenges we face in the 21st century. From physical modeling …

Krylov methods for nonsymmetric linear systems

G Meurant, JD Tebbens - Cham: Springer, 2020 - Springer
Solving systems of algebraic linear equations is among the most frequent problems in
scientific computing. It appears in many areas like physics, engineering, chemistry, biology …

The communication-hiding pipelined BiCGstab method for the parallel solution of large unsymmetric linear systems

S Cools, W Vanroose - Parallel Computing, 2017 - Elsevier
Abstract A High Performance Computing alternative to traditional Krylov subspace methods,
pipelined Krylov subspace solvers offer better scalability in the strong scaling limit compared …

A unified approach to Krylov subspace methods for solving linear systems

F Bouyghf, A Messaoudi, H Sadok - Numerical Algorithms, 2024 - Springer
In this paper, we present a comprehensive framework for studying Krylov subspace methods
used to solve the linear system A x= f. These methods aim to achieve convergence within a …

Write-avoiding algorithms

E Carson, J Demmel, L Grigori, N Knight… - 2016 IEEE …, 2016 - ieeexplore.ieee.org
Communication, ie, moving data between levels of a memory hierarchy or between
processors over a network, is much more expensive (in time or energy) than arithmetic …

The communication-hiding conjugate gradient method with deep pipelines

J Cornelis, S Cools, W Vanroose - arXiv preprint arXiv:1801.04728, 2018 - arxiv.org
Krylov subspace methods are among the most efficient solvers for large scale linear algebra
problems. Nevertheless, classic Krylov subspace algorithms do not scale well on massively …

A Residual Replacement Strategy for Improving the Maximum Attainable Accuracy of -Step Krylov Subspace Methods

E Carson, J Demmel - SIAM Journal on Matrix Analysis and Applications, 2014 - SIAM
Krylov subspace methods are a popular class of iterative methods for solving linear systems
with large, sparse matrices. On modern computer architectures, both sequential and parallel …

Trade-offs between synchronization, communication, and computation in parallel linear algebra computations

E Solomonik, E Carson, N Knight… - ACM Transactions on …, 2017 - dl.acm.org
This article derives trade-offs between three basic costs of a parallel algorithm:
synchronization, data movement, and computational cost. These trade-offs are lower bounds …