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.

Results

57 people5 groups5 sessions60s limit8 CPUs

Scenario ID: internal.sailing-trip-57p-5g-5s.v1
Problem hash: sha256:8b091cd34b39069824fe28818cbd8b4957082cd9c0e05b54265e5f10834777cd

Comparator results

publication r18

Barasu-kun

Unsupported

valid —best —median —

Configuration

barasu-kun-0586a3f-sequential-v1

evidence r1 · unsupported

The live product cannot express changing capacities, placements, pair rules, attributes, or encounter targets.

GolfSoftware Play All

Unsupported

valid —best —median —

Configuration

golfsoftware-play-all-live-55-second-v1

evidence r1 · unsupported

The live product cannot express changing capacities, placements, pair rules, attributes, or encounter targets.

Good-Enough Golfers

Unsupported

valid —best —median —

Configuration

unsupported-mixed-semantics

evidence r1 · unsupported

The product cannot express the full canonical combination of changing capacities, attributes, placements, encounter targets, and pair rules.

GroupMixer

Feasible

valid 5/5best 1,310median 1,316

Configuration

auto-extreme-8-defaults

evidence r1 · eligible

Gurobi

Unavailable

valid —best —median —

Configuration

unavailable-license

evidence r1 · unavailable

No runnable licensed environment and reproducible formulation are available for v1.

Halftime Team Pairings

Unsupported

valid —best —median —

Configuration

halftime-team-pairings-live-sequential-last-six-v1

evidence r1 · unsupported

The visible workflow cannot express changing capacities, placements, pair rules, attributes, and encounter targets.

Hexaly

Unavailable

valid —best —median —

Configuration

unavailable-license

evidence r1 · unavailable

No runnable licensed environment and reproducible formulation are available for v1.

IIENSTITU Random Group Generator

Unsupported

valid —best —median —

Configuration

iienstitu-live-avoid-history-seeded-v1

evidence r1 · unsupported

The visible workflow cannot express changing capacities, placements, pair rules, attributes, and encounter targets.

Optimal Group Generator

Unsupported

valid —best —median —

Configuration

optimal-group-generator-live-fixed-ga-sequential-v1

evidence r1 · unsupported

The case exceeds the 50-member limit and the product cannot express changing capacities, placements, pair rules, attributes, or encounter targets.

Google OR-Tools CP-SAT

Feasible

valid 5/5best 2,605median 3,242

Configuration

ortools-cpsat-case-formulations-v1:generic-staged-v4

evidence r6 · eligible

Social Golfer Online

Unsupported

valid —best —median —

Configuration

unsupported-mixed-semantics

evidence r1 · unsupported

The product cannot express the full canonical combination of changing capacities, attributes, placements, encounter targets, and pair rules.

Teach Arcade Group Maker

Unsupported

valid —best —median —

Configuration

teach-arcade-live-roundrobin-sequential-history-v1

evidence r1 · unsupported

The visible workflow cannot express changing capacities, placements, pair rules, attributes, and encounter targets.

TourneyCard Golf Randomizer

Unsupported

valid —best —median —

Configuration

unsupported-mixed-semantics

evidence r1 · unsupported

The product cannot express the full canonical combination of changing capacities, attributes, placements, encounter targets, and pair rules.

Comparator status, attempts, score, and configuration
Tool	Status	Valid	Best	Median	Evidence
Barasu-kun	Unsupported	—	—	—	Configuration `barasu-kun-0586a3f-sequential-v1` evidence r1 · unsupported The live product cannot express changing capacities, placements, pair rules, attributes, or encounter targets.
GolfSoftware Play All	Unsupported	—	—	—	Configuration `golfsoftware-play-all-live-55-second-v1` evidence r1 · unsupported The live product cannot express changing capacities, placements, pair rules, attributes, or encounter targets.
Good-Enough Golfers	Unsupported	—	—	—	Configuration `unsupported-mixed-semantics` evidence r1 · unsupported The product cannot express the full canonical combination of changing capacities, attributes, placements, encounter targets, and pair rules.
GroupMixer	Feasible	5/5	1,310	1,316	Configuration `auto-extreme-8-defaults` evidence r1 · eligible
Gurobi	Unavailable	—	—	—	Configuration `unavailable-license` evidence r1 · unavailable No runnable licensed environment and reproducible formulation are available for v1.
Halftime Team Pairings	Unsupported	—	—	—	Configuration `halftime-team-pairings-live-sequential-last-six-v1` evidence r1 · unsupported The visible workflow cannot express changing capacities, placements, pair rules, attributes, and encounter targets.
Hexaly	Unavailable	—	—	—	Configuration `unavailable-license` evidence r1 · unavailable No runnable licensed environment and reproducible formulation are available for v1.
IIENSTITU Random Group Generator	Unsupported	—	—	—	Configuration `iienstitu-live-avoid-history-seeded-v1` evidence r1 · unsupported The visible workflow cannot express changing capacities, placements, pair rules, attributes, and encounter targets.
Optimal Group Generator	Unsupported	—	—	—	Configuration `optimal-group-generator-live-fixed-ga-sequential-v1` evidence r1 · unsupported The case exceeds the 50-member limit and the product cannot express changing capacities, placements, pair rules, attributes, or encounter targets.
Google OR-Tools CP-SAT	Feasible	5/5	2,605	3,242	Configuration `ortools-cpsat-case-formulations-v1:generic-staged-v4` evidence r6 · eligible
Social Golfer Online	Unsupported	—	—	—	Configuration `unsupported-mixed-semantics` evidence r1 · unsupported The product cannot express the full canonical combination of changing capacities, attributes, placements, encounter targets, and pair rules.
Teach Arcade Group Maker	Unsupported	—	—	—	Configuration `teach-arcade-live-roundrobin-sequential-history-v1` evidence r1 · unsupported The visible workflow cannot express changing capacities, placements, pair rules, attributes, and encounter targets.
TourneyCard Golf Randomizer	Unsupported	—	—	—	Configuration `unsupported-mixed-semantics` evidence r1 · unsupported The product cannot express the full canonical combination of changing capacities, attributes, placements, encounter targets, and pair rules.

Measured attempts

GroupMixer · seed-101feasible timeout

same-machine nativecost 1,32659.202s19 MiB

GroupMixer · seed-202feasible timeout

same-machine nativecost 1,31659.235s19 MiB

GroupMixer · seed-303feasible timeout

same-machine nativecost 1,33259.573s18 MiB

GroupMixer · seed-404feasible timeout

same-machine nativecost 1,31459.273s18 MiB

GroupMixer · seed-505feasible timeout

same-machine nativecost 1,31059.254s19 MiB

Google OR-Tools CP-SAT · seed-101feasible timeout

same-machine nativecost 3,24258.791s1,132 MiB

Google OR-Tools CP-SAT · seed-202feasible timeout

same-machine nativecost 3,03158.671s1,137 MiB

Google OR-Tools CP-SAT · seed-303feasible timeout

same-machine nativecost 5,02358.408s1,130 MiB

Google OR-Tools CP-SAT · seed-404feasible timeout

same-machine nativecost 3,26958.538s1,154 MiB

Google OR-Tools CP-SAT · seed-505feasible timeout

same-machine nativecost 2,60558.588s1,115 MiB

Per-attempt benchmark status, execution class, canonical cost, runtime, and memory
Tool / attempt	Execution	Status	Cost	Wall	Peak RSS
GroupMixer · seed-101	Native	feasible timeout	1,326	59.202s	19 MiB
GroupMixer · seed-202	Native	feasible timeout	1,316	59.235s	19 MiB
GroupMixer · seed-303	Native	feasible timeout	1,332	59.573s	18 MiB
GroupMixer · seed-404	Native	feasible timeout	1,314	59.273s	18 MiB
GroupMixer · seed-505	Native	feasible timeout	1,310	59.254s	19 MiB
Google OR-Tools CP-SAT · seed-101	Native	feasible timeout	3,242	58.791s	1,132 MiB
Google OR-Tools CP-SAT · seed-202	Native	feasible timeout	3,031	58.671s	1,137 MiB
Google OR-Tools CP-SAT · seed-303	Native	feasible timeout	5,023	58.408s	1,130 MiB
Google OR-Tools CP-SAT · seed-404	Native	feasible timeout	3,269	58.538s	1,154 MiB
Google OR-Tools CP-SAT · seed-505	Native	feasible timeout	2,605	58.588s	1,115 MiB

Pair-frequency distribution

GroupMixer · seed-505

Number of participant pairs by meeting frequency
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

Evidence and reproduction

gm-scenarios materialize internal.sailing-trip-57p-5g-5s.v1 --pretty --output case.json

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