Social Golfer 32×8×10

Thirty-two participants rotate through eight groups for ten sessions with unique contacts as the canonical objective.

Open in GroupMixer Results

32 people8 groups10 sessions60s limit8 CPUs

Scenario ID: public.social-golfer-32x8x10.v1
Problem hash: sha256:37322f59d69f72dab0bb969a60dc1800b9e400781a014d7ad1dd30d63365d34a

Comparator results

publication r20

Barasu-kun

Feasible

valid 5/5best 777median 812

Configuration

barasu-kun-0586a3f-sequential-v1

evidence r1 · eligible

GolfSoftware Play All

Feasible

valid 5/5best 429median 451

Configuration

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

evidence r1 · eligible

Good-Enough Golfers

Feasible

valid 5/5best 330median 341

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 1,379median 1,503

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 1,408median 1,408

Configuration

iienstitu-live-avoid-history-seeded-v1

evidence r1 · eligible

Optimal Group Generator

Feasible

valid 5/5best 330median 363

Configuration

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

evidence r1 · eligible

Google OR-Tools CP-SAT

Feasible

valid 5/5best 416median 440

Configuration

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

evidence r19 · eligible

Measured 11 October 2026 on an Intel Core Ultra 9 386H; eight pinned CPUs, 8 GiB physical memory, swap disabled. Frozen case-specific OR-Tools 9.15.6755 formulation and parameters.

Social Golfer Online

Feasible

valid 5/5best 385median 385

Configuration

social-golfer-online-recompute-all-v1

evidence r1 · eligible

Teach Arcade Group Maker

Feasible

valid 5/5best 460median 555

Configuration

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

evidence r1 · eligible

TourneyCard Golf Randomizer

Feasible

valid 5/5best 440median 451

Configuration

tourneycard-v2.0.4-40000-iterations-v2

evidence r1 · eligible

Comparator status, attempts, score, and configuration
Tool	Status	Valid	Best	Median	Evidence
Barasu-kun	Feasible	5/5	777	812	Configuration `barasu-kun-0586a3f-sequential-v1` evidence r1 · eligible
GolfSoftware Play All	Feasible	5/5	429	451	Configuration `golfsoftware-play-all-live-55-second-v1` evidence r1 · eligible
Good-Enough Golfers	Feasible	5/5	330	341	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	1,379	1,503	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	1,408	1,408	Configuration `iienstitu-live-avoid-history-seeded-v1` evidence r1 · eligible
Optimal Group Generator	Feasible	5/5	330	363	Configuration `optimal-group-generator-live-fixed-ga-sequential-v1` evidence r1 · eligible
Google OR-Tools CP-SAT	Feasible	5/5	416	440	Configuration `ortools-cpsat-case-formulations-v1:pure-sgp-optimized-v4` evidence r19 · eligible Measured 11 October 2026 on an Intel Core Ultra 9 386H; eight pinned CPUs, 8 GiB physical memory, swap disabled. Frozen case-specific OR-Tools 9.15.6755 formulation and parameters.
Social Golfer Online	Feasible	5/5	385	385	Configuration `social-golfer-online-recompute-all-v1` evidence r1 · eligible
Teach Arcade Group Maker	Feasible	5/5	460	555	Configuration `teach-arcade-live-roundrobin-sequential-history-v1` evidence r1 · eligible
TourneyCard Golf Randomizer	Feasible	5/5	440	451	Configuration `tourneycard-v2.0.4-40000-iterations-v2` evidence r1 · eligible

Measured attempts

Barasu-kun · attempt-1feasible

hosted observationcost 7771.744sRSS —

Barasu-kun · attempt-2feasible

hosted observationcost 8561.914sRSS —

Barasu-kun · attempt-3feasible

hosted observationcost 8121.441sRSS —

Barasu-kun · attempt-4feasible

hosted observationcost 8122.147sRSS —

Barasu-kun · attempt-5feasible

hosted observationcost 8871.916sRSS —

GolfSoftware Play All · attempt-1feasible

hosted observationcost 42955.33sRSS —

GolfSoftware Play All · attempt-2feasible

hosted observationcost 45155.481sRSS —

GolfSoftware Play All · attempt-3feasible

hosted observationcost 46256.371sRSS —

GolfSoftware Play All · attempt-4feasible

hosted observationcost 45155.338sRSS —

GolfSoftware Play All · attempt-5feasible

hosted observationcost 46255.835sRSS —

Good-Enough Golfers · attempt-1feasible

hosted observationcost 3300.376sRSS —

Good-Enough Golfers · attempt-2feasible

hosted observationcost 3850.713sRSS —

Good-Enough Golfers · attempt-3feasible

hosted observationcost 3300.764sRSS —

Good-Enough Golfers · attempt-4feasible

hosted observationcost 3410.548sRSS —

Good-Enough Golfers · attempt-5feasible

hosted observationcost 3520.972sRSS —

GroupMixer · seed-101optimal zero

native processcost 00.004s12 MiB

GroupMixer · seed-202optimal zero

native processcost 00.007s12 MiB

GroupMixer · seed-303optimal zero

native processcost 00.004s12 MiB

GroupMixer · seed-404optimal zero

native processcost 00.004s12 MiB

GroupMixer · seed-505optimal zero

native processcost 00.006s12 MiB

Halftime Team Pairings · attempt-1feasible

hosted observationcost 1,50316.3sRSS —

Halftime Team Pairings · attempt-2feasible

hosted observationcost 1,64722.249sRSS —

Halftime Team Pairings · attempt-3feasible

hosted observationcost 1,43920.959sRSS —

Halftime Team Pairings · attempt-4feasible

hosted observationcost 1,37916.572sRSS —

Halftime Team Pairings · attempt-5feasible

hosted observationcost 1,63317.414sRSS —

IIENSTITU Random Group Generator · seed-101feasible

hosted observationcost 1,4084.224sRSS —

IIENSTITU Random Group Generator · seed-202feasible

hosted observationcost 1,4084.172sRSS —

IIENSTITU Random Group Generator · seed-303feasible

hosted observationcost 1,4083.612sRSS —

IIENSTITU Random Group Generator · seed-404feasible

hosted observationcost 1,4084.242sRSS —

IIENSTITU Random Group Generator · seed-505feasible

hosted observationcost 1,4084.178sRSS —

Optimal Group Generator · attempt-1feasible

hosted observationcost 3636.271sRSS —

Optimal Group Generator · attempt-2feasible

hosted observationcost 3635.734sRSS —

Optimal Group Generator · attempt-3feasible

hosted observationcost 3306.253sRSS —

Optimal Group Generator · attempt-4feasible

hosted observationcost 3636.652sRSS —

Optimal Group Generator · attempt-5feasible

hosted observationcost 3305.963sRSS —

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

native processcost 44059.035sRSS —

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

native processcost 49558.913sRSS —

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

native processcost 48458.925sRSS —

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

native processcost 41858.841sRSS —

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

native processcost 41658.676sRSS —

Social Golfer Online · attempt-1feasible

hosted observationcost 38512.363sRSS —

Social Golfer Online · attempt-2feasible

hosted observationcost 38511.561sRSS —

Social Golfer Online · attempt-3feasible

hosted observationcost 38513.155sRSS —

Social Golfer Online · attempt-4feasible

hosted observationcost 38512.033sRSS —

Social Golfer Online · attempt-5feasible

hosted observationcost 38513.115sRSS —

Teach Arcade Group Maker · attempt-1feasible

hosted observationcost 5881.816sRSS —

Teach Arcade Group Maker · attempt-2feasible

hosted observationcost 5021.877sRSS —

Teach Arcade Group Maker · attempt-3feasible

hosted observationcost 4601.771sRSS —

Teach Arcade Group Maker · attempt-4feasible

hosted observationcost 5571.629sRSS —

Teach Arcade Group Maker · attempt-5feasible

hosted observationcost 5551.501sRSS —

TourneyCard Golf Randomizer · attempt-1feasible

hosted observationcost 45156.013sRSS —

TourneyCard Golf Randomizer · attempt-2feasible

hosted observationcost 45155sRSS —

TourneyCard Golf Randomizer · attempt-3feasible

hosted observationcost 44053.956sRSS —

TourneyCard Golf Randomizer · attempt-4feasible

hosted observationcost 46254.118sRSS —

TourneyCard Golf Randomizer · attempt-5feasible

hosted observationcost 46253.792sRSS —

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	777	1.744s	—
Barasu-kun · attempt-2	Hosted	feasible	856	1.914s	—
Barasu-kun · attempt-3	Hosted	feasible	812	1.441s	—
Barasu-kun · attempt-4	Hosted	feasible	812	2.147s	—
Barasu-kun · attempt-5	Hosted	feasible	887	1.916s	—
GolfSoftware Play All · attempt-1	Hosted	feasible	429	55.33s	—
GolfSoftware Play All · attempt-2	Hosted	feasible	451	55.481s	—
GolfSoftware Play All · attempt-3	Hosted	feasible	462	56.371s	—
GolfSoftware Play All · attempt-4	Hosted	feasible	451	55.338s	—
GolfSoftware Play All · attempt-5	Hosted	feasible	462	55.835s	—
Good-Enough Golfers · attempt-1	Hosted	feasible	330	0.376s	—
Good-Enough Golfers · attempt-2	Hosted	feasible	385	0.713s	—
Good-Enough Golfers · attempt-3	Hosted	feasible	330	0.764s	—
Good-Enough Golfers · attempt-4	Hosted	feasible	341	0.548s	—
Good-Enough Golfers · attempt-5	Hosted	feasible	352	0.972s	—
GroupMixer · seed-101	Native	optimal zero	0	0.004s	12 MiB
GroupMixer · seed-202	Native	optimal zero	0	0.007s	12 MiB
GroupMixer · seed-303	Native	optimal zero	0	0.004s	12 MiB
GroupMixer · seed-404	Native	optimal zero	0	0.004s	12 MiB
GroupMixer · seed-505	Native	optimal zero	0	0.006s	12 MiB
Halftime Team Pairings · attempt-1	Hosted	feasible	1,503	16.3s	—
Halftime Team Pairings · attempt-2	Hosted	feasible	1,647	22.249s	—
Halftime Team Pairings · attempt-3	Hosted	feasible	1,439	20.959s	—
Halftime Team Pairings · attempt-4	Hosted	feasible	1,379	16.572s	—
Halftime Team Pairings · attempt-5	Hosted	feasible	1,633	17.414s	—
IIENSTITU Random Group Generator · seed-101	Hosted	feasible	1,408	4.224s	—
IIENSTITU Random Group Generator · seed-202	Hosted	feasible	1,408	4.172s	—
IIENSTITU Random Group Generator · seed-303	Hosted	feasible	1,408	3.612s	—
IIENSTITU Random Group Generator · seed-404	Hosted	feasible	1,408	4.242s	—
IIENSTITU Random Group Generator · seed-505	Hosted	feasible	1,408	4.178s	—
Optimal Group Generator · attempt-1	Hosted	feasible	363	6.271s	—
Optimal Group Generator · attempt-2	Hosted	feasible	363	5.734s	—
Optimal Group Generator · attempt-3	Hosted	feasible	330	6.253s	—
Optimal Group Generator · attempt-4	Hosted	feasible	363	6.652s	—
Optimal Group Generator · attempt-5	Hosted	feasible	330	5.963s	—
Google OR-Tools CP-SAT · seed-101	Native	feasible timeout	440	59.035s	—
Google OR-Tools CP-SAT · seed-202	Native	feasible timeout	495	58.913s	—
Google OR-Tools CP-SAT · seed-303	Native	feasible timeout	484	58.925s	—
Google OR-Tools CP-SAT · seed-404	Native	feasible timeout	418	58.841s	—
Google OR-Tools CP-SAT · seed-505	Native	feasible timeout	416	58.676s	—
Social Golfer Online · attempt-1	Hosted	feasible	385	12.363s	—
Social Golfer Online · attempt-2	Hosted	feasible	385	11.561s	—
Social Golfer Online · attempt-3	Hosted	feasible	385	13.155s	—
Social Golfer Online · attempt-4	Hosted	feasible	385	12.033s	—
Social Golfer Online · attempt-5	Hosted	feasible	385	13.115s	—
Teach Arcade Group Maker · attempt-1	Hosted	feasible	588	1.816s	—
Teach Arcade Group Maker · attempt-2	Hosted	feasible	502	1.877s	—
Teach Arcade Group Maker · attempt-3	Hosted	feasible	460	1.771s	—
Teach Arcade Group Maker · attempt-4	Hosted	feasible	557	1.629s	—
Teach Arcade Group Maker · attempt-5	Hosted	feasible	555	1.501s	—
TourneyCard Golf Randomizer · attempt-1	Hosted	feasible	451	56.013s	—
TourneyCard Golf Randomizer · attempt-2	Hosted	feasible	451	55s	—
TourneyCard Golf Randomizer · attempt-3	Hosted	feasible	440	53.956s	—
TourneyCard Golf Randomizer · attempt-4	Hosted	feasible	462	54.118s	—
TourneyCard Golf Randomizer · attempt-5	Hosted	feasible	462	53.792s	—

Pair-frequency distribution

GroupMixer · seed-101

Number of participant pairs by meeting frequency
Meetings	Participant pairs
1	480

Unique contacts: 480
Repeat excess: 0
Repeated pairs: 0
Worst pair count: 1
Min contacts / person: 30
Mean contacts / person: 30

Evidence and reproduction

gm-scenarios materialize public.social-golfer-32x8x10.v1 --pretty --output case.json

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