Özet
For stochastic mixed-integer programs, we revisit the dual decomposition algorithm of Carøe and Schultz from a computational perspective with the aim of its parallelization. We address an important bottleneck of parallel execution by identifying a formulation that permits the parallel solution of the master program by using structure-exploiting interior-point solvers. Our results demonstrate the potential for parallel speedup and the importance of regularization (stabilization) in the dual optimization. Load imbalance is identified as a remaining barrier to parallel scalability.
| Orijinal dil | İngilizce |
|---|---|
| Sayfa (başlangıç-bitiş) | 252-258 |
| Sayfa sayısı | 7 |
| Dergi | Operations Research Letters |
| Hacim | 41 |
| Basın numarası | 3 |
| DOI'lar | |
| Yayın durumu | Yayınlandı - May 2013 |
| Harici olarak yayınlandı | Evet |
Finansman
This work was supported in part by the US Department of Energy under Contract DE-AC02-06CH11357. This research used resources of the Laboratory Computing Resource Center at Argonne National Laboratory, which is supported by the Office of Science of the US Department of Energy under contract DE-AC02-06CH11357. Financial support from the University of Chicago Booth School of Business is also gratefully acknowledged. We thank Christoph Helmberg for correspondence regarding the ConicBundle package.
| Finansörler | Finansör numarası |
|---|---|
| US Department of Energy | DE-AC02-06CH11357 |
| Office of Science | |
| Booth School of Business, University of Chicago |
Parmak izi
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