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Chi Shen

dblp:28/3590 · DBLP profile ↗
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4ranked-venue papers
3as first author
0since 2021 · last 2005
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Systems, architecture and hardware · 4 · 3 first-author

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Computer architecture, parallel and distributed computing, and storage systems
1 paper
High-performance computing · 91% Parallel and multicore computing · 9%

Topics — the 4 heaviest of 4, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
High-performance computing
parallel numerical algorithms
0.012003
Parallel Multilevel Sparse Approximate Inverse Preconditioners in Large Sparse Matrix Computations · SC 2003
High-performance computing › numerical linear algebra
preconditioner
0.012003
Parallel Multilevel Sparse Approximate Inverse Preconditioners in Large Sparse Matrix Computations · SC 2003
High-performance computing › sparse linear algebra
sparse matrix computation
0.012003
Parallel Multilevel Sparse Approximate Inverse Preconditioners in Large Sparse Matrix Computations · SC 2003
Parallel and multicore computing › parallel architecture
distributed-memory parallel computing
0.012003
Parallel Multilevel Sparse Approximate Inverse Preconditioners in Large Sparse Matrix Computations · SC 2003

Methods — techniques the papers use, named apart from their topics

schur-complement preconditioning · 0.0multistep successive preconditioning · 0.0matrix permutation · 0.0
YearPublicationVenuePosition
2005 Distributed block independent set algorithms and parallel multilevel ILU preconditioners
Chi Shen, Jun Zhang 0001
J. Parallel Distributed Comput.1
2003 Parallel Multilevel Sparse Approximate Inverse Preconditioners in Large Sparse Matrix Computations
abstract
We investigate the use of the multistep successive preconditioning strategies (MSP) to construct a class of parallel multilevel sparse approximate inverse (SAI) preconditioners. We do not use independent set ordering, but a diagonal dominance based matrix permutation to build a multilevel structure. The purpose of introducing multilevel structure into SAI is to enhance the robustness of SAI for solving difficult problems. Forward and backward preconditioning iteration and two Schur complement preconditioning strategies are proposed to improve the performance and to reduce the storage cost of the multilevel preconditioners. One version of the parallel multilevel SAI preconditioner based on the MSP strategy is implemented. Numerical experiments for solving a few sparse matrices on a distributed memory parallel computer are reported.
Jun Zhang 0001, Chi Shen
SC3
2003 A fully parallel block independent set algorithm for distributed sparse matrices
Chi Shen, Jun Zhang 0001
Parallel Comput.1
2002 Parallel two level block ILU preconditioning techniques for solving large sparse linear systems
Chi Shen, Jun Zhang 0001
Parallel Comput.1