GroupMixer
Feasible
5/5
valid attempts
Best cost 1,310 · median 1,316
Canonical case report
Anonymized 57-person sailing trip
An owner-authorized, anonymized five-session sailing workload preserving the complete objective and mixed-constraint structure of the recovered GroupMixer setup.
- People
- 57
- Groups
- 5
- Sessions
- 5
- Deadline
- 60s
Canonical input sha256:8b091cd34b39069824fe28818cbd8b4957082cd9c0e05b54265e5f10834777cd
Result at the declared limit
Google OR-Tools CP-SAT
Feasible
5/5
valid attempts
Best cost 2,605 · median 3,242
Social Golfer Online
Unsupported
0/0
valid attempts
The product cannot express the full canonical combination of changing capacities, attributes, placements, encounter targets, and pair rules.
Every native attempt
| Tool / attempt | Status | Cost | Wall time | Peak RSS |
|---|---|---|---|---|
| GroupMixer · seed-101 | feasible timeout | 1,326 | 59.202s | 19 MiB |
| GroupMixer · seed-202 | feasible timeout | 1,316 | 59.235s | 19 MiB |
| GroupMixer · seed-303 | feasible timeout | 1,332 | 59.573s | 18 MiB |
| GroupMixer · seed-404 | feasible timeout | 1,314 | 59.273s | 18 MiB |
| GroupMixer · seed-505 | feasible timeout | 1,310 | 59.254s | 19 MiB |
| Google OR-Tools CP-SAT · seed-101 | feasible timeout | 3,242 | 58.791s | 1,132 MiB |
| Google OR-Tools CP-SAT · seed-202 | feasible timeout | 3,031 | 58.671s | 1,137 MiB |
| Google OR-Tools CP-SAT · seed-303 | feasible timeout | 5,023 | 58.408s | 1,130 MiB |
| Google OR-Tools CP-SAT · seed-404 | feasible timeout | 3,269 | 58.538s | 1,154 MiB |
| Google OR-Tools CP-SAT · seed-505 | feasible timeout | 2,605 | 58.588s | 1,115 MiB |
Pair-frequency distribution
| Meetings | Participant pairs |
|---|---|
| 1 | 824 |
| 2 | 261 |
| 3 | 30 |
| 4 | 5 |
| 5 | 6 |
- Unique contacts
- 1,126
- Repeat excess
- 360
- Repeated pairs
- 302
- Worst pair count
- 5
- Min contacts / person
- 35
- Mean contacts / person
- 39.51
Configurations and eligibility
Barasu-kun
Unsupportedunsupported-mixed-semanticsThe product cannot express the full canonical combination of changing capacities, attributes, placements, encounter targets, and pair rules.
GolfSoftware Play All
Unsupportedunsupported-mixed-semanticsThe product cannot express the full canonical combination of changing capacities, attributes, placements, encounter targets, and pair rules.
Good-Enough Golfers
Unsupportedunsupported-mixed-semanticsThe product cannot express the full canonical combination of changing capacities, attributes, placements, encounter targets, and pair rules.
GroupMixer
Feasibleauto-extreme-8-defaultsGurobi
Unavailableunavailable-licenseNo runnable licensed environment and reproducible formulation are available for v1.
Hexaly
Unavailableunavailable-licenseNo runnable licensed environment and reproducible formulation are available for v1.
Optimal Group Generator
Unsupportedunsupported-mixed-semanticsThe product cannot express the full canonical combination of changing capacities, attributes, placements, encounter targets, and pair rules.
Google OR-Tools CP-SAT
Feasibleortools-cpsat-case-formulations-v1:generic-staged-v4Social Golfer Online
Unsupportedunsupported-mixed-semanticsThe product cannot express the full canonical combination of changing capacities, attributes, placements, encounter targets, and pair rules.
TourneyCard Golf Randomizer
Unsupportedunsupported-mixed-semanticsThe product cannot express the full canonical combination of changing capacities, attributes, placements, encounter targets, and pair rules.
UTEKAR Random Team Generator
Unsupportedunsupported-mixed-semanticsThe product cannot express the full canonical combination of changing capacities, attributes, placements, encounter targets, and pair rules.
Reproduce and inspect
Use the frozen scenario and publication revision. The archive contains selected attempts, requests, schedules, logs, implementation references, and checksums.
gm-scenarios materialize internal.sailing-trip-57p-5g-5s.v1 --pretty --output case.jsonRevision and disclosure
Publication revision 9. GroupMixer authors this benchmark and the published OR-Tools formulations. Returned schedules are evaluated against the same canonical scenario rules.
No external incumbent, repaired schedule, or cross-solver hint is admitted by the selected evidence contract.