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INFORMATICALT
1998
105views more  INFORMATICALT 1998»
13 years 9 months ago
Parallel Implementation of a Generalized Conjugate Gradient Algorithm
This paper presents a parallel version of a Generalized Conjugate Gradient algorithm proposed by Liu and Story in which the search direction considers the effect of the inexact lin...
Jonas Koko, Aziz Moukrim
ARC
2008
Springer
115views Hardware» more  ARC 2008»
14 years 3 days ago
A High Throughput FPGA-based Floating Point Conjugate Gradient Implementation
As Field Programmable Gate Arrays (FPGAs) have reached capacities beyond millions of equivalent gates, it becomes possible to accelerate floating-point scientific computing applica...
Antonio Roldao Lopes, George A. Constantinides
AMC
2006
80views more  AMC 2006»
13 years 10 months ago
Parallel preconditioned conjugate gradient optimization of the Rayleigh quotient for the solution of sparse eigenproblems
A parallel algorithm based on the multidimensional minimization of the Rayleigh quotient is proposed to evaluate the leftmost eigenpairs of the generalized symmetric positive defi...
Luca Bergamaschi, Angeles Martinez, Giorgio Pini
PDP
2010
IEEE
14 years 3 months ago
A Parallel Preconditioned Conjugate Gradient Solver for the Poisson Problem on a Multi-GPU Platform
- We present a parallel conjugate gradient solver for the Poisson problem optimized for multi-GPU platforms. Our approach includes a novel heuristic Poisson preconditioner well sui...
Marco Ament, Günter Knittel, Daniel Weiskopf,...
PAAPP
2006
141views more  PAAPP 2006»
13 years 10 months ago
Algorithmic optimizations of a conjugate gradient solver on shared memory architectures
OpenMP is an architecture-independent language for programming in the shared memory model. OpenMP is designed to be simple and in terms of programming abstractions. Unfortunately,...
Henrik Löf, Jarmo Rantakokko