Compact representations of structured BFGS matrices
Journal Article
·
· Computational Optimization and Applications
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
For general large-scale optimization problems compact representations exist in which recursive quasi-Newton update formulas are represented as compact matrix factorizations. For problems in which the objective function contains additional structure, recent structured quasi-Newton methods exploit available second-derivative information and approximate unavailable second derivatives. Here, this article develops the compact representations of two structured Broyden-Fletcher-Goldfarb-Shanno update formulas. The compact representations enable efficient limited memory and initialization strategies. Two limited memory line search algorithms are described for which extensive numerical results demonstrate the efficacy of the algorithms, including comparisons to IPOPT on large machine learning problems, and to L-BFGS on a real world large scale ptychographic imaging application.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR)
- Grant/Contract Number:
- AC02-06CH11357; AC52-07NA27344
- OSTI ID:
- 1824771
- Alternate ID(s):
- OSTI ID: 1863253
- Report Number(s):
- LLNL-JRNL--819824; 1031027
- Journal Information:
- Computational Optimization and Applications, Journal Name: Computational Optimization and Applications Journal Issue: 1 Vol. 80; ISSN 0926-6003
- Publisher:
- SpringerCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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