Submitter | Variables | Constraints | Density | Status | Group | Objective | MPS File |
---|---|---|---|---|---|---|---|

Gerald Gamrath | 549021 | 320836 | 6.46485e-06 | open | supplynetworkplanning | 6364531568.737051* | snp-10-052-052.mps.gz |

Supply network planning problems.

Detailed explanation of the following tables can be found here.

Original | Presolved | |
---|---|---|

Variables | 549021 | 455689 |

Constraints | 320836 | 245701 |

Binaries | 11059 | 10552 |

Integers | 11059 | 11212 |

Continuous | 526903 | 433925 |

Implicit Integers | 0 | 660 |

Fixed Variables | 1 | 0 |

Nonzero Density | 6.46485e-06 | 8.47691e-06 |

Nonzeroes | 1138760 | 949102 |

Original | Presolved | |
---|---|---|

Total | 320836 | 245701 |

Empty | 0 | 0 |

Free | 0 | 0 |

Singleton | 53012 | 0 |

Aggregations | 51917 | 47252 |

Precedence | 0 | 0 |

Variable Bound | 25241 | 24053 |

Set Partitioning | 0 | 0 |

Set Packing | 0 | 0 |

Set Covering | 0 | 0 |

Cardinality | 0 | 0 |

Invariant Knapsack | 0 | 0 |

Equation Knapsack | 0 | 0 |

Bin Packing | 0 | 0 |

Knapsack | 0 | 0 |

Integer Knapsack | 0 | 0 |

Mixed Binary | 176230 | 160694 |

General Linear | 14436 | 13702 |

Indicator | 0 | 0 |

Available nonzero structure and decomposition information. Further information can be found here.

Decomposed structure of original problem (dec-file)

Decomposed structure after trivial presolving (dec-file)

value | min | median | mean | max | |
---|---|---|---|---|---|

Components | |||||

Constraint % | |||||

Variable % | |||||

Score |

Find solutions below. Download the archive containing all solutions from the Download page.

ID | Objective | Exact | Int. Viol | Cons. Viol | Obj. Viol | Submitter | Date | Description | |
---|---|---|---|---|---|---|---|---|---|

2 | 2 | 6364531569 | 0 | 0e+00 | 6.4e-06 | Edward Rothberg | 2020-04-22 | Obtained with Gurobi 9.0 using the solution improvement heuristic | |

1 | 1 | 16136245760 | 0 | 6e-07 | 4.0e-07 | - | 2018-10-13 | Solution found during MIPLIB2017 problem selection. |

The following instances are most similar to snp-10-052-052 in the collection. This similarity analysis is based on 100 scaled instance features describing properties of the variables, objective function, bounds, constraints, and right hand sides.

Instance | Status | Variables | Binaries | Integers | Continuous | Constraints | Nonz. | Submitter | Group | Objective | Tags |
---|---|---|---|---|---|---|---|---|---|---|---|

snp-10-004-052 | open | 538777 | 815 | 815 | 537147 | 300348 | 1097780 | Gerald Gamrath | supplynetworkplanning | 5906642865.78* | numerics aggregations variable_bound mixed_binary general_linear |

snp-04-052-052 | open | 221438 | 4546 | 4546 | 212346 | 129662 | 459205 | Gerald Gamrath | supplynetworkplanning | 885202237.1881002* | numerics aggregations variable_bound mixed_binary general_linear |

snp-06-004-052 | open | 328461 | 494 | 494 | 327473 | 183168 | 668716 | Gerald Gamrath | supplynetworkplanning | 1869531919.902* | numerics aggregations variable_bound mixed_binary general_linear |

snp-02-004-104 | easy | 228350 | 167 | 167 | 228016 | 126512 | 463941 | Gerald Gamrath | supplynetworkplanning | 586803238.657 | benchmark benchmark_suitable aggregations variable_bound mixed_binary general_linear |

gasprod2-1 | easy | 29568 | 7389 | 0 | 22179 | 73448 | 282846 | Andrew Stamps | gasprod | 1628548.2968 | numerics aggregations precedence variable_bound invariant_knapsack binpacking mixed_binary |

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Last Update Nov 16, 2020 by Philipp Wellner

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