Friday, 16:15 - 16:40 h, Room: H 1058


Cynthia Phillips
PICO's new hierarchical branch-and-bound system for massively parallel IP

Coauthors: Jonathan Eckstein, Ojas Parekh, John Siirola, Jean-Paul Watson


We will discuss the design, implementation, and large-scale parallel computational results for a new capability in the PICO (Parallel Integer and Combinatorial Optimizer) massively-parallel mixed-integer programming solver. We leverage the basic PICO ramp up system for automatic integer program decomposition and carefully manage runtime conditions to effectively run arbitrary black-box IP solvers on massively parallel systems. Our computational results use Sandia National Laboratories' "Red Sky'' system, which has more than 20,000 cores.


Talk 3 of the invited session Fri.3.H 1058
"Parallel optimization software" [...]
Cluster 10
"Implementations & software" [...]


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