GroupMixer
Optimal
5/5
valid attempts
Best cost 0 · median 0
Canonical case report
Three golfer foursome rotations
A three-round synthetic reconstruction for 28 golfers in seven foursomes.
- People
- 28
- Groups
- 7
- Sessions
- 3
- Deadline
- 60s
Canonical input sha256:efeef808827cf02e75e471bcff56bcda37d32b0e27998ac147a57658e53b5cc7
Result at the declared limit
Google OR-Tools CP-SAT
Optimal
5/5
valid attempts
Best cost 0 · median 0
Social Golfer Online
Pending verification
0/0
valid attempts
Live limits, exact geometry, quality mode, and output capture require verification.
Every native attempt
| Tool / attempt | Status | Cost | Wall time | Peak RSS |
|---|---|---|---|---|
| GroupMixer · seed-101 | optimal zero | 0 | 0.004s | 11 MiB |
| GroupMixer · seed-202 | optimal zero | 0 | 0.006s | 11 MiB |
| GroupMixer · seed-303 | optimal zero | 0 | 0.005s | 11 MiB |
| GroupMixer · seed-404 | optimal zero | 0 | 0.004s | 11 MiB |
| GroupMixer · seed-505 | optimal zero | 0 | 0.002s | 11 MiB |
| Google OR-Tools CP-SAT · seed-101 | optimal zero | 0 | 4.1s | 210 MiB |
| Google OR-Tools CP-SAT · seed-202 | optimal zero | 0 | 3.789s | 212 MiB |
| Google OR-Tools CP-SAT · seed-303 | optimal zero | 0 | 4.147s | 215 MiB |
| Google OR-Tools CP-SAT · seed-404 | optimal zero | 0 | 4.565s | 210 MiB |
| Google OR-Tools CP-SAT · seed-505 | optimal zero | 0 | 3.092s | 215 MiB |
Pair-frequency distribution
| Meetings | Participant pairs |
|---|---|
| 1 | 126 |
- Unique contacts
- 126
- Repeat excess
- 0
- Repeated pairs
- 0
- Worst pair count
- 1
- Min contacts / person
- 9
- Mean contacts / person
- 9
Configurations and eligibility
Barasu-kun
Pending verificationpending-live-workflowLive limits, exact geometry, quality mode, and output capture require verification.
GolfSoftware Play All
Pending verificationpending-live-workflowLive limits, exact geometry, quality mode, and output capture require verification.
Good-Enough Golfers
Pending verificationpending-live-workflowLive limits, exact geometry, quality mode, and output capture require verification.
GroupMixer
Optimalauto-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
Pending verificationpending-live-workflowLive limits, exact geometry, quality mode, and output capture require verification.
Google OR-Tools CP-SAT
Optimalortools-cpsat-case-formulations-v1:pure-sgp-zero-target-v3Social Golfer Online
Pending verificationpending-live-workflowLive limits, exact geometry, quality mode, and output capture require verification.
TourneyCard Golf Randomizer
Pending verificationpending-live-workflowLive limits, exact geometry, quality mode, and output capture require verification.
UTEKAR Random Team Generator
Pending verificationpending-live-workflowLive limits, exact geometry, quality mode, and output capture require verification.
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.reddit-golfers-28p-7g-3s.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.