Parallel asynchronous algorithms: A survey

P Spiteri - Advances in Engineering Software, 2020 - Elsevier
This paper deals with a synthetic presentation of parallel iterative asynchronous algorithms
and their extensions for the solution of large sparse linear or pseudo-linear algebraic …

Asynchronous truncated multigrid-reduction-in-time

J Hahne, BS Southworth, S Friedhoff - SIAM Journal on Scientific Computing, 2022 - SIAM
In this paper, we present the new “asynchronous truncated multigrid-reduction-in-time”(AT-
MGRIT) algorithm for introducing time parallelism to the solution of discretized time …

Asynchronous parareal time discretization for partial differential equations

F Magoulès, G Gbikpi-Benissan - SIAM Journal on Scientific Computing, 2018 - SIAM
Asynchronous iterations have been investigated more and more for both scaling and fault-
resilience purposes on high performance computing platforms. While so far, they have been …

Policy based on homomorphic encryption and retrieval scheme in cloud computing

Y Ding, X Li - … on computational science and engineering (CSE …, 2017 - ieeexplore.ieee.org
Homomorphic encryption technology can settle a dispute of data privacy security in cloud
environment, but there are many problems in the process of access the data which is …

Numerical solution of Heston-Hull-White three-dimensional PDE with a high order FD scheme

MZ Ullah - Mathematics, 2019 - mdpi.com
A new numerical method for tackling the three-dimensional Heston–Hull–White partial
differential equation (PDE) is proposed. This PDE has an application in pricing options when …

Interpretation of parareal as a two-level additive Schwarz in time preconditioner and its acceleration with GMRES

VT Nguyen, L Grigori - Numerical Algorithms, 2023 - Springer
We describe an interpretation of parareal as a two-level additive Schwarz preconditioner in
the time domain. We show that this two-level preconditioner in time is equivalent to parareal …

Asynchronous iterations of HSS method for non-Hermitian linear systems

G Gbikpi-Benissan, Q Zou… - International Journal of …, 2022 - Taylor & Francis
A general asynchronous alternating iterative model is designed, for which convergence is
theoretically ensured both under classical spectral radius bound and, then, for a classical …

Asynchronous truncated multigrid-reduction-in-time (AT-MGRIT)

J Hahne, B Southworth, S Friedhoff - arXiv preprint arXiv:2107.09596, 2021 - arxiv.org
In this paper, we present the new" asynchronous truncated multigrid-reduction-in-time"(AT-
MGRIT) algorithm for introducing time parallelism to the solution of discretized time …

[HTML][HTML] Reducing the effect of global synchronization in delayed gradient methods for symmetric linear systems

Q Zou, F Magoulès - Advances in Engineering Software, 2020 - Elsevier
Compared with arithmetic operation, communication cost is often the bottleneck on modern
computers, and thus should be paid increasing attention when choosing algorithms. Lagged …

Parallel In Time Algorithms for Data Assimilation

R Bhatt - 2023 - theses.hal.science
Four dimensional variational data assimilation (4DVAR) which is based on optimisation
algorithms is used by the leading meterological institutions as a means of initialising the …