'Linear solvers' diaporamas de présentation

PETSc Tutorial

PETSc Tutorial. Numerical Software Libraries for the Scalable Solution of PDEs. Kris Buschelman Barry Smith Mathematics and Computer Science Division Argonne National Laboratory http://www.mcs.anl.gov/petsc Intended for use with version 2.1.3 of PETSc. The PETSc Team. Satish Balay.

2.3k views • 208 slides

Introduction to PETSc

Introduction to PETSc. Numerical Software Libraries for the Scalable Solution of PDEs. Satish Balay, Bill Gropp, Lois C. McInnes, Barry Smith Mathematics and Computer Science Division Argonne National Laboratory full tutorial as presented at the SIAM Parallel Processing

796 views • 67 slides

TOPS-APDEC Collaboration: Linear Solvers for SAMR Apps

Robert D. Falgout Center for Applied Scientific Computing Lawrence Livermore National Laboratory January 26, 2002. TOPS-APDEC Collaboration: Linear Solvers for SAMR Apps. Outline. HYPRE and Conceptual Interfaces Structured-Grid Interface ( Struct ) Semi-Structured-Grid Interface ( SStruct )

688 views • 52 slides

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775 views • 44 slides

Paul Hovland (Argonne National Laboratory) Steven Lee (Lawrence Livermore National Laboratory)

Challenges and Opportunities in Using Automatic Differentiation with Object-Oriented Toolkits for Scientific Computing. Paul Hovland (Argonne National Laboratory) Steven Lee (Lawrence Livermore National Laboratory) Lois McInnes (ANL) Boyana Norris (ANL) Barry Smith (ANL).

570 views • 43 slides

ACTS Tools and Case Studies of their Use

NERSC User Group Meeting June 24-25, 2004. ACTS Tools and Case Studies of their Use. Osni Marques and Tony Drummond Lawrence Berkeley National Laboratory [ oamarques,ladrummond ] @lbl.gov. What is the DOE ACTS Collection?. High Intermediate level Tool expertise Conduct tutorials.

547 views • 40 slides

Sparse Matrix Algorithms on GPUs and their Integration into SCIRun

Sparse Matrix Algorithms on GPUs and their Integration into SCIRun. Devon Yablonski yablonski.d@husky.neu.edu. & Miriam Leeser Dana Brooks mel@coe.neu.edu brooks@ece.neu.edu. This work is supported by:

431 views • 29 slides

Roscoe A. Bartlett cs.sandia/~rabartl/

2010-1844 C. Software Life-cycle and Integration Issues for CS&E R&D Software and Experiences from Trilinos (Part I). Roscoe A. Bartlett http://www.cs.sandia.gov/~rabartl/ Department of Optimization & Uncertainty Estimation Trilinos Software Engineering Technologies and Integration Lead

409 views • 28 slides

Recommended Viewing:

334 views • 28 slides

What is the ACTS Collection?

NERSC User Group Meeting The DOE ACTS Collection Osni Marques Lawrence Berkeley National Laboratory OAMarques@lbl.gov. What is the ACTS Collection?. http://acts.nersc.gov. A dvanced C ompu T ational S oftware Collection Tools for developing parallel applications

520 views • 26 slides

DOE 2000 Numerics Capability

DOE 2000 Numerics Capability. http://acts.nersc.gov. Barry Smith Argonne National Laboratory. Targets. Large Scale (100,000,000 dof) simulations computational fluid dynamics combustion structures materials usually PDE based Large scale (1000 cv) optimization often involving simulation

373 views • 26 slides

What is the ACTS Collection?

NERSC User Group Meeting The DOE ACTS Collection Osni Marques Lawrence Berkeley National Laboratory OAMarques@lbl.gov. What is the ACTS Collection?. http://acts.nersc.gov. A dvanced C ompu T ational S oftware Collection Tools for developing parallel applications

368 views • 26 slides

Using the PETSc Linear Solvers

Using the PETSc Linear Solvers. Lois Curfman McInnes in collaboration with Satish Balay, Bill Gropp, and Barry Smith Mathematics and Computer Science Division Argonne National Laboratory http://www.mcs.anl.gov/petsc Cactus Tutorial September 30, 1999.

340 views • 22 slides

Experiences with Parallel Numerical Software Interoperability

Experiences with Parallel Numerical Software Interoperability. William Gropp and Lois McInnes In collaboration with Satish Balay, Steve Benson, Kris Buschelman, and Barry Smith. Focus. Highlight issues in building sharable component * software Interfaces, performance, portability

295 views • 22 slides

Petrotechnical Data Systems

Petrotechnical Data Systems. Transferring geoscientific R&D into innovative software products. PDS. Established in 1993 Oil and Gas market Scientific Software Products Two business lines: CoE (Shell) proprietary software products for EP companies 120 staff 30 nationalities

464 views • 15 slides

Bill Spotz DOE/Office of Science/ASCR (Sandia National Laboratories) SIAM Annual Meeting 2008

PyTrilinos: A Python Interface to Parallel, Object-Oriented Solver Packages for Scientific Computing. Bill Spotz DOE/Office of Science/ASCR (Sandia National Laboratories) SIAM Annual Meeting 2008 July 10, 2008. Chemically reacting flows Climate modeling Combustion Compressible flows

258 views • 15 slides

281 views • 9 slides

4 projects in high energy and nuclear physics

&. 4 projects in high energy and nuclear physics. 14 projects in biological and environmental research. PDEs. are dense. in the SciDAC. & ISICs. 10 projects in basic energy sciences. 5 projects in fusion energy science. portfolio.

196 views • 9 slides

for more information ...

Main Routine. Linear System Interfaces. Applications. 200. Timestepping Solvers (TS). unscalable. 150. APDEC. TSTT. SDM. 100. Nonlinear Solvers (SNES). Time to Solution. TOPS. Linear Solvers. 50. Linear Solvers (SLES). scalable. GMG,. FAC,. Hybrid,. AMGe,. ILU,. 0. 1000. 1.

118 views • 1 slides

Mathematical model: four-field extended MHD equations

Iterative and direct linear solvers in fully implicit magnetic reconnection simulations with inexact Newton methods. Xuefei (Rebecca) Yuan 1 , Xiaoye S. Li 1 , Ichitaro Yamazaki 1 , Stephen C. Jardin 2 , Alice E. Koniges 1 and David E. Keyes 3,4

83 views • 1 slides