Over the past few years, parallel sparse direct solvers made significant progress and are now able to efficiently work on problems with several millions of equations. This paper presents some improvements on our sparse direct solver PaStiX1 for …
Among existing preconditioners, the level-of-fill ILU has been quite popular as a general-purpose technique. Experimental observations have shown that, when coupled with block techniques, these methods can be quite effective in solving realistic …
The purpose of this work is to provide a method which exploits the parallel block-wise algorithmic approach used in the framework of high performance sparse direct solvers in order to develop robust and efficient preconditioners based on a parallel …
Since the last decade, most of the supercomputer architectures are based on cluster of SMP nodes. In those architectures the exchanges between processors are made through shared memory when the processor are located on a same SMP node and through …