MM50_G

Results File
Dataset
File Header

Author(s):Alfonso Gippini Requeijo (Team Banzai S.L., Madrid, Spain)
Reference:Alfonso Gippini Requeijo, Team Banzai S.L. (2026). Exact constraint-programming results for MM50. Certificates and schedules: https://doi.org/10.5281/zenodo.22261196
Date:11/09/2026
Hardware / software:exact CP approach (CP-SAT), cloud x86 8-16 threads
Stop criteria:proof of optimality / proof of bound
Submission date:11/09/2026

Statistics
Nothing changed since there are no new lower bounds, upper bounds nor optimal solutions.
Instances: 49
Optimal results: 17 (34.69%)
Upper Bounds: 17
- Average deviations:
- over CPM: 37.25%
- over best LB: 0.00%
- over best UB: 0.00%
- Best Known: 17 (34.69%)
- Closed (using best LBs): 17 (34.69%)
- Sum of time units: 877
Lower Bounds: 49
- Average deviations:
- over CPM: 59.29%
- below best LB: 0.42%
- below best UB: 2.64%
- Best Known: 40 (81.63%)
- Closed (using best UBs): 18 (36.73%)
- Sum of time units: 2562
- Open time units:
- to LBs: 14 (0.54%)
- to UBs: 77 (2.92%)
Date