Social Golfer 32x8x15 (8-4-15)

Pure Social Golfer overbound repeat-pressure stretch: 32 participants into 8 groups of 4 across 15 sessions with a meet-at-most-once target.

Results

32 people8 groups15 sessions60s limit8 CPUs

Scenario ID: internal.social-golfer-32x8x15.v1
Problem hash: sha256:1a6ba3a0998c2f7cf8fec58cca3bfa1cf3f63ecf8b40b168d0186668f1305017

Comparator results

publication r18

Barasu-kun

Feasible

valid 5/5best 13median 14

Configuration

barasu-kun-0586a3f-sequential-v1

evidence r1 · eligible

GolfSoftware Play All

Optimal

valid 5/5best 0median 0

Configuration

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

evidence r1 · eligible

Good-Enough Golfers

Optimal

valid 5/5best 0median 0

Configuration

good-enough-golfers-4db20742-fixed-ga-v1

evidence r1 · eligible

GroupMixer

Optimal

valid 5/5best 0median 0

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

Feasible

valid 5/5best 58median 67

Configuration

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

evidence r1 · eligible

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

Feasible

valid 5/5best 112median 112

Configuration

iienstitu-live-avoid-history-seeded-v1

evidence r1 · eligible

Optimal Group Generator

Optimal

valid 5/5best 0median 0

Configuration

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

evidence r1 · eligible

Google OR-Tools CP-SAT

Feasible

valid 5/5best 33median 73

Configuration

ortools-cpsat-case-formulations-v1:pure-sgp-unique-v4

evidence r6 · eligible

Social Golfer Online

Optimal

valid 5/5best 0median 0

Configuration

social-golfer-online-recompute-all-v1

evidence r1 · eligible

Teach Arcade Group Maker

Optimal

valid 5/5best 0median 0

Configuration

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

evidence r1 · eligible

TourneyCard Golf Randomizer

Unsupported

valid —best —median —

Configuration

tourneycard-round-limit-14

evidence r1 · unsupported

Live TourneyCard 2.0.4 caps schedules at 14 rounds; the canonical case requires 15.

Comparator status, attempts, score, and configuration
Tool	Status	Valid	Best	Median	Evidence
Barasu-kun	Feasible	5/5	13	14	Configuration `barasu-kun-0586a3f-sequential-v1` evidence r1 · eligible
GolfSoftware Play All	Optimal	5/5	0	0	Configuration `golfsoftware-play-all-live-55-second-v1` evidence r1 · eligible
Good-Enough Golfers	Optimal	5/5	0	0	Configuration `good-enough-golfers-4db20742-fixed-ga-v1` evidence r1 · eligible
GroupMixer	Optimal	5/5	0	0	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	Feasible	5/5	58	67	Configuration `halftime-team-pairings-live-sequential-last-six-v1` evidence r1 · eligible
Hexaly	Unavailable	—	—	—	Configuration `unavailable-license` evidence r1 · unavailable No runnable licensed environment and reproducible formulation are available for v1.
IIENSTITU Random Group Generator	Feasible	5/5	112	112	Configuration `iienstitu-live-avoid-history-seeded-v1` evidence r1 · eligible
Optimal Group Generator	Optimal	5/5	0	0	Configuration `optimal-group-generator-live-fixed-ga-sequential-v1` evidence r1 · eligible
Google OR-Tools CP-SAT	Feasible	5/5	33	73	Configuration `ortools-cpsat-case-formulations-v1:pure-sgp-unique-v4` evidence r6 · eligible
Social Golfer Online	Optimal	5/5	0	0	Configuration `social-golfer-online-recompute-all-v1` evidence r1 · eligible
Teach Arcade Group Maker	Optimal	5/5	0	0	Configuration `teach-arcade-live-roundrobin-sequential-history-v1` evidence r1 · eligible
TourneyCard Golf Randomizer	Unsupported	—	—	—	Configuration `tourneycard-round-limit-14` evidence r1 · unsupported Live TourneyCard 2.0.4 caps schedules at 14 rounds; the canonical case requires 15.

Measured attempts

Barasu-kun · attempt-1feasible

hosted observationcost 142.821sRSS —

Barasu-kun · attempt-2feasible

hosted observationcost 193.775sRSS —

Barasu-kun · attempt-3feasible

hosted observationcost 142.734sRSS —

Barasu-kun · attempt-4feasible

hosted observationcost 142.412sRSS —

Barasu-kun · attempt-5feasible

hosted observationcost 133.562sRSS —

GolfSoftware Play All · attempt-1optimal zero

hosted observationcost 056.597sRSS —

GolfSoftware Play All · attempt-2optimal zero

hosted observationcost 055.737sRSS —

GolfSoftware Play All · attempt-3optimal zero

hosted observationcost 056.686sRSS —

GolfSoftware Play All · attempt-4optimal zero

hosted observationcost 055.999sRSS —

GolfSoftware Play All · attempt-5optimal zero

hosted observationcost 055.679sRSS —

Good-Enough Golfers · attempt-1optimal zero

hosted observationcost 02.392sRSS —

Good-Enough Golfers · attempt-2optimal zero

hosted observationcost 02.153sRSS —

Good-Enough Golfers · attempt-3optimal zero

hosted observationcost 02.171sRSS —

Good-Enough Golfers · attempt-4optimal zero

hosted observationcost 02.38sRSS —

Good-Enough Golfers · attempt-5optimal zero

hosted observationcost 01.768sRSS —

GroupMixer · seed-101optimal zero

same-machine nativecost 00.264s17 MiB

GroupMixer · seed-202optimal zero

same-machine nativecost 00.239s17 MiB

GroupMixer · seed-303optimal zero

same-machine nativecost 00.25s17 MiB

GroupMixer · seed-404optimal zero

same-machine nativecost 00.229s17 MiB

GroupMixer · seed-505optimal zero

same-machine nativecost 00.297s17 MiB

Halftime Team Pairings · attempt-1feasible

hosted observationcost 6830.121sRSS —

Halftime Team Pairings · attempt-2feasible

hosted observationcost 6127.293sRSS —

Halftime Team Pairings · attempt-3feasible

hosted observationcost 7028.165sRSS —

Halftime Team Pairings · attempt-4feasible

hosted observationcost 5827.571sRSS —

Halftime Team Pairings · attempt-5feasible

hosted observationcost 6725.709sRSS —

IIENSTITU Random Group Generator · seed-101feasible

hosted observationcost 1126.677sRSS —

IIENSTITU Random Group Generator · seed-202feasible

hosted observationcost 1125.131sRSS —

IIENSTITU Random Group Generator · seed-303feasible

hosted observationcost 1123.791sRSS —

IIENSTITU Random Group Generator · seed-404feasible

hosted observationcost 1124.752sRSS —

IIENSTITU Random Group Generator · seed-505feasible

hosted observationcost 1124.842sRSS —

Optimal Group Generator · attempt-1optimal zero

hosted observationcost 013.87sRSS —

Optimal Group Generator · attempt-2optimal zero

hosted observationcost 011.853sRSS —

Optimal Group Generator · attempt-3optimal zero

hosted observationcost 014.453sRSS —

Optimal Group Generator · attempt-4optimal zero

hosted observationcost 013.446sRSS —

Optimal Group Generator · attempt-5optimal zero

hosted observationcost 013.966sRSS —

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

same-machine nativecost 3358.748s1,091 MiB

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

same-machine nativecost 3858.931s1,102 MiB

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

same-machine nativecost 7959.973s1,065 MiB

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

same-machine nativecost 7358.575s1,071 MiB

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

same-machine nativecost 9058.817s1,030 MiB

Social Golfer Online · attempt-1optimal zero

hosted observationcost 017.35sRSS —

Social Golfer Online · attempt-2optimal zero

hosted observationcost 018.049sRSS —

Social Golfer Online · attempt-3optimal zero

hosted observationcost 016.292sRSS —

Social Golfer Online · attempt-4optimal zero

hosted observationcost 014.852sRSS —

Social Golfer Online · attempt-5optimal zero

hosted observationcost 018.225sRSS —

Teach Arcade Group Maker · attempt-1optimal zero

hosted observationcost 02.551sRSS —

Teach Arcade Group Maker · attempt-2optimal zero

hosted observationcost 02.324sRSS —

Teach Arcade Group Maker · attempt-3optimal zero

hosted observationcost 02.699sRSS —

Teach Arcade Group Maker · attempt-4optimal zero

hosted observationcost 02.408sRSS —

Teach Arcade Group Maker · attempt-5optimal zero

hosted observationcost 02.221sRSS —

Per-attempt benchmark status, execution class, canonical cost, runtime, and memory
Tool / attempt	Execution	Status	Cost	Wall	Peak RSS
Barasu-kun · attempt-1	Hosted	feasible	14	2.821s	—
Barasu-kun · attempt-2	Hosted	feasible	19	3.775s	—
Barasu-kun · attempt-3	Hosted	feasible	14	2.734s	—
Barasu-kun · attempt-4	Hosted	feasible	14	2.412s	—
Barasu-kun · attempt-5	Hosted	feasible	13	3.562s	—
GolfSoftware Play All · attempt-1	Hosted	optimal zero	0	56.597s	—
GolfSoftware Play All · attempt-2	Hosted	optimal zero	0	55.737s	—
GolfSoftware Play All · attempt-3	Hosted	optimal zero	0	56.686s	—
GolfSoftware Play All · attempt-4	Hosted	optimal zero	0	55.999s	—
GolfSoftware Play All · attempt-5	Hosted	optimal zero	0	55.679s	—
Good-Enough Golfers · attempt-1	Hosted	optimal zero	0	2.392s	—
Good-Enough Golfers · attempt-2	Hosted	optimal zero	0	2.153s	—
Good-Enough Golfers · attempt-3	Hosted	optimal zero	0	2.171s	—
Good-Enough Golfers · attempt-4	Hosted	optimal zero	0	2.38s	—
Good-Enough Golfers · attempt-5	Hosted	optimal zero	0	1.768s	—
GroupMixer · seed-101	Native	optimal zero	0	0.264s	17 MiB
GroupMixer · seed-202	Native	optimal zero	0	0.239s	17 MiB
GroupMixer · seed-303	Native	optimal zero	0	0.25s	17 MiB
GroupMixer · seed-404	Native	optimal zero	0	0.229s	17 MiB
GroupMixer · seed-505	Native	optimal zero	0	0.297s	17 MiB
Halftime Team Pairings · attempt-1	Hosted	feasible	68	30.121s	—
Halftime Team Pairings · attempt-2	Hosted	feasible	61	27.293s	—
Halftime Team Pairings · attempt-3	Hosted	feasible	70	28.165s	—
Halftime Team Pairings · attempt-4	Hosted	feasible	58	27.571s	—
Halftime Team Pairings · attempt-5	Hosted	feasible	67	25.709s	—
IIENSTITU Random Group Generator · seed-101	Hosted	feasible	112	6.677s	—
IIENSTITU Random Group Generator · seed-202	Hosted	feasible	112	5.131s	—
IIENSTITU Random Group Generator · seed-303	Hosted	feasible	112	3.791s	—
IIENSTITU Random Group Generator · seed-404	Hosted	feasible	112	4.752s	—
IIENSTITU Random Group Generator · seed-505	Hosted	feasible	112	4.842s	—
Optimal Group Generator · attempt-1	Hosted	optimal zero	0	13.87s	—
Optimal Group Generator · attempt-2	Hosted	optimal zero	0	11.853s	—
Optimal Group Generator · attempt-3	Hosted	optimal zero	0	14.453s	—
Optimal Group Generator · attempt-4	Hosted	optimal zero	0	13.446s	—
Optimal Group Generator · attempt-5	Hosted	optimal zero	0	13.966s	—
Google OR-Tools CP-SAT · seed-101	Native	feasible timeout	33	58.748s	1,091 MiB
Google OR-Tools CP-SAT · seed-202	Native	feasible timeout	38	58.931s	1,102 MiB
Google OR-Tools CP-SAT · seed-303	Native	feasible timeout	79	59.973s	1,065 MiB
Google OR-Tools CP-SAT · seed-404	Native	feasible timeout	73	58.575s	1,071 MiB
Google OR-Tools CP-SAT · seed-505	Native	feasible timeout	90	58.817s	1,030 MiB
Social Golfer Online · attempt-1	Hosted	optimal zero	0	17.35s	—
Social Golfer Online · attempt-2	Hosted	optimal zero	0	18.049s	—
Social Golfer Online · attempt-3	Hosted	optimal zero	0	16.292s	—
Social Golfer Online · attempt-4	Hosted	optimal zero	0	14.852s	—
Social Golfer Online · attempt-5	Hosted	optimal zero	0	18.225s	—
Teach Arcade Group Maker · attempt-1	Hosted	optimal zero	0	2.551s	—
Teach Arcade Group Maker · attempt-2	Hosted	optimal zero	0	2.324s	—
Teach Arcade Group Maker · attempt-3	Hosted	optimal zero	0	2.699s	—
Teach Arcade Group Maker · attempt-4	Hosted	optimal zero	0	2.408s	—
Teach Arcade Group Maker · attempt-5	Hosted	optimal zero	0	2.221s	—

Pair-frequency distribution

GolfSoftware Play All · attempt-1

Number of participant pairs by meeting frequency
Meetings	Participant pairs
1	272
2	224

Unique contacts: 496
Repeat excess: 224
Repeated pairs: 224
Worst pair count: 2
Min contacts / person: 31
Mean contacts / person: 31

Evidence and reproduction

gm-scenarios materialize internal.social-golfer-32x8x15.v1 --pretty --output case.json

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