32 citations · 108 across the 42 of their papers we have counts for
13 papers · 1 filter
Distributed convergence detection based on global residual error under asynchronous iterations
Frédéric Magoulès, Guillaume Gbikpi-Benissan
Convergence of classical parallel iterations is detected by performing a reduction operation at each iteration in order to compute a residual error relative to a potential solution…
Asynchronous global-local non-invasive coupling for linear elliptic problems
Ahmed El Kerim, Pierre Gosselet, Frédéric Magoulès
This paper presents the first asynchronous version of the Global/Local non-invasive coupling, capable of dealing efficiently with multiple, possibly adjacent, patches. We give a ne…
Asynchronous scalable version of the Global-Local non-invasive coupling
Ahmed El Kerim, Pierre Gosselet, Frederic Magoules
The Global-Local non-invasive coupling is an improvement of the submodeling technique, which permits to locally enhance structure computations by introducing patches with refined m…
JACK2: a new high-level communication library for parallel iterative methods
Guillaume Gbikpi-Benissan, Frederic Magoules
In this paper, we address the problem of designing a distributed application meant to run both classical and asynchronous iterations. MPI libraries are very popular and widely used…
Distributed asynchronous convergence detection without detection protocol
Guillaume Gbikpi-Benissan, Frederic Magoules
In this paper, we address the problem of detecting the moment when an ongoing asynchronous parallel iterative process can be terminated to provide a sufficiently precise solution t…
Asynchronous parareal time discretization for partial differential equations
Frederic Magoules, Guillaume Gbikpi-Benissan
Asynchronous iterations are more and more investigated for both scaling and fault-resilience purpose on high performance computing platforms. While so far, they have been exclusive…
Power Consumption Analysis of Parallel Algorithms on GPUs
Frédéric Magoulès, Abal-Kassim Cheik Ahamed, Alban Desmaison +4
Due to their highly parallel multi-cores architecture, GPUs are being increasingly used in a wide range of computationally intensive applications. Compared to CPUs, GPUs can achiev…
Using asynchronous simulation approach for interactive simulation
Mengchen Wang, Nicolas Ferey, Patrick Bourdot +1
This paper discusses about the advantage of using asynchronous simulation in the case of interactive simulation in which user can steer and control parameters during a simulation i…
Recent Developments in Iterative Methods for Reducing Synchronization
Qinmeng Zou, Frederic Magoules
On modern parallel architectures, the cost of synchronization among processors can often dominate the cost of floating-point computation. Several modifications of the existing meth…
Asynchronous Time-Parallel Method based on Laplace Transform
Frederic Magoules, Qinmeng Zou
Laplace transform method has proved to be very efficient and easy to parallelize for the solution of time-dependent problems. However, the synchronization delay among processors im…
Convergence Detection of Asynchronous Iterations based on Modified Recursive Doubling
Qinmeng Zou, Frederic Magoules
This paper addresses the distributed convergence detection problem in asynchronous iterations. A modified recursive doubling algorithm is investigated in order to adapt to the non-…
Asynchronous Communications Library for the Parallel-in-Time Solution of Black-Scholes Equation
Qinmeng Zou, Guillaume Gbikpi-Benissan, Frederic Magoules
The advent of asynchronous iterative scheme gives high efficiency to numerical computations. However, it is generally difficult to handle the problems of resource management and co…
Asynchronous Parareal Algorithm Applied to European Option Pricing
Qinmeng Zou, Guillaume Gbikpi-Benissan, Frederic Magoules
Asynchronous iterations arise naturally in parallel computing if one wants to solve large problems with a minimization of the idle times. This paper presents an original model of a…