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» Optimal Solvers for PDE-Constrained Optimization
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IJHPCA
2007
88views more  IJHPCA 2007»
14 years 11 months ago
Performance Optimization and Modeling of Blocked Sparse Kernels
We present a method for automatically selecting optimal implementations of sparse matrixvector operations. Our software ‘AcCELS’ (Accelerated Compress-storage Elements for Lin...
Alfredo Buttari, Victor Eijkhout, Julien Langou, S...
PPOPP
2010
ACM
15 years 8 months ago
Fast tridiagonal solvers on the GPU
We study the performance of three parallel algorithms and their hybrid variants for solving tridiagonal linear systems on a GPU: cyclic reduction (CR), parallel cyclic reduction (...
Yao Zhang, Jonathan Cohen, John D. Owens
TACAS
2010
Springer
251views Algorithms» more  TACAS 2010»
15 years 4 months ago
Approximating the Pareto Front of Multi-criteria Optimization Problems
We propose a general methodology for approximating the Pareto front of multi-criteria optimization problems. Our search-based methodology consists of submitting queries to a constr...
Julien Legriel, Colas Le Guernic, Scott Cotton, Od...
CORR
2010
Springer
85views Education» more  CORR 2010»
14 years 11 months ago
Optimally Solving the MCM Problem Using Pseudo-Boolean Satisfiability
In this report, we describe three encodings of the multiple constant multiplication (MCM) problem to pseudo-boolean satisfiability (PBS), and introduce an algorithm to solve the M...
Nuno P. Lopes, Levent Aksoy, Vasco M. Manquinho, J...
PDP
2010
IEEE
15 years 4 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,...