Partial-attendance keep-apart capacity pressure, 152 participants

The deterministic partial-attendance capacity workload extended with dense session-scoped hard separation windows.

Open in GroupMixer Results

152 people12 groups6 sessions300s limit8 CPUs

Scenario ID: internal.partial-attendance-keep-apart-capacity-pressure-152p.v1
Problem hash: sha256:006ec1a6e84d64e996cc67232490509bac37e3a35a99e8aed54b6fdac1dcea95

Comparator results

publication r20

Barasu-kun

Unsupported

valid —best —median —

Configuration

barasu-kun-0586a3f-sequential-v1

evidence r1 · unsupported

The live product cannot express partial attendance, changing capacities, or hard pair rules.

GolfSoftware Play All

Unsupported

valid —best —median —

Configuration

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

evidence r1 · unsupported

The live product exceeds its 100-participant limit and cannot express partial attendance, changing capacities, or hard pair rules.

Good-Enough Golfers

Unsupported

valid —best —median —

Configuration

unsupported-mixed-semantics

evidence r1 · unsupported

The product cannot express partial attendance, changing capacity pressure, placements, encounter targets, or canonical hard pair rules.

GroupMixer

Feasible

valid 5/5best 2,409median 2,409

Configuration

browser-auto-8-defaults-v1

evidence r19 · eligible

Measured 11 October 2026 on an Intel Core Ultra 9 386H; eight pinned CPUs, 8 GiB physical memory, swap disabled. Current production browser Auto, eight requested lanes, automatic Extreme handoff and default CP-SAT admission.

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 the full canonical combination of partial attendance, capacity pressure, attributes, placements, encounters, and session-scoped hard pair rules.

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 the full canonical combination of partial attendance, capacity pressure, attributes, placements, encounters, and session-scoped hard pair rules.

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 partial attendance, changing capacities, or hard pair rules.

Google OR-Tools CP-SAT

Feasible

valid 5/5best 2,411median 2,416

Configuration

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

Unsupported

valid —best —median —

Configuration

unsupported-mixed-semantics

evidence r1 · unsupported

The product cannot express the full canonical combination of partial attendance, capacity pressure, attributes, placements, encounters, and hard 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 the full canonical combination of partial attendance, capacity pressure, attributes, placements, encounters, and session-scoped hard pair rules.

TourneyCard Golf Randomizer

Unsupported

valid —best —median —

Configuration

unsupported-mixed-semantics

evidence r1 · unsupported

The product cannot express the full canonical combination of partial attendance, capacity pressure, attributes, placements, encounters, and hard 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 partial attendance, changing capacities, or hard pair rules.
GolfSoftware Play All	Unsupported	—	—	—	Configuration `golfsoftware-play-all-live-55-second-v1` evidence r1 · unsupported The live product exceeds its 100-participant limit and cannot express partial attendance, changing capacities, or hard pair rules.
Good-Enough Golfers	Unsupported	—	—	—	Configuration `unsupported-mixed-semantics` evidence r1 · unsupported The product cannot express partial attendance, changing capacity pressure, placements, encounter targets, or canonical hard pair rules.
GroupMixer	Feasible	5/5	2,409	2,409	Configuration `browser-auto-8-defaults-v1` evidence r19 · eligible Measured 11 October 2026 on an Intel Core Ultra 9 386H; eight pinned CPUs, 8 GiB physical memory, swap disabled. Current production browser Auto, eight requested lanes, automatic Extreme handoff and default CP-SAT admission.
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 the full canonical combination of partial attendance, capacity pressure, attributes, placements, encounters, and session-scoped hard pair rules.
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 the full canonical combination of partial attendance, capacity pressure, attributes, placements, encounters, and session-scoped hard pair rules.
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 partial attendance, changing capacities, or hard pair rules.
Google OR-Tools CP-SAT	Feasible	5/5	2,411	2,416	Configuration `ortools-cpsat-case-formulations-v1:generic-staged-heavy-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	Unsupported	—	—	—	Configuration `unsupported-mixed-semantics` evidence r1 · unsupported The product cannot express the full canonical combination of partial attendance, capacity pressure, attributes, placements, encounters, and hard pair rules.
Teach Arcade Group Maker	Unsupported	—	—	—	Configuration `teach-arcade-live-roundrobin-sequential-history-v1` evidence r1 · unsupported The visible workflow cannot express the full canonical combination of partial attendance, capacity pressure, attributes, placements, encounters, and session-scoped hard pair rules.
TourneyCard Golf Randomizer	Unsupported	—	—	—	Configuration `unsupported-mixed-semantics` evidence r1 · unsupported The product cannot express the full canonical combination of partial attendance, capacity pressure, attributes, placements, encounters, and hard pair rules.

Measured attempts

GroupMixer · seed-101feasible timeout

local browsercost 2,409300.897sRSS —

GroupMixer · seed-202feasible timeout

local browsercost 2,409301.015sRSS —

GroupMixer · seed-303feasible timeout

local browsercost 2,409300.956sRSS —

GroupMixer · seed-404feasible timeout

local browsercost 2,409300.616sRSS —

GroupMixer · seed-505feasible timeout

local browsercost 2,409301.271sRSS —

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

native processcost 2,414299.62sRSS —

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

native processcost 2,411299.455sRSS —

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

native processcost 2,416299.785sRSS —

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

native processcost 2,444299.937sRSS —

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

native processcost 2,426299.918sRSS —

Per-attempt benchmark status, execution class, canonical cost, runtime, and memory
Tool / attempt	Execution	Status	Cost	Wall	Peak RSS
GroupMixer · seed-101	Browser	feasible timeout	2,409	300.897s	—
GroupMixer · seed-202	Browser	feasible timeout	2,409	301.015s	—
GroupMixer · seed-303	Browser	feasible timeout	2,409	300.956s	—
GroupMixer · seed-404	Browser	feasible timeout	2,409	300.616s	—
GroupMixer · seed-505	Browser	feasible timeout	2,409	301.271s	—
Google OR-Tools CP-SAT · seed-101	Native	feasible timeout	2,414	299.62s	—
Google OR-Tools CP-SAT · seed-202	Native	feasible timeout	2,411	299.455s	—
Google OR-Tools CP-SAT · seed-303	Native	feasible timeout	2,416	299.785s	—
Google OR-Tools CP-SAT · seed-404	Native	feasible timeout	2,444	299.937s	—
Google OR-Tools CP-SAT · seed-505	Native	feasible timeout	2,426	299.918s	—

Pair-frequency distribution

GroupMixer · seed-101

Number of participant pairs by meeting frequency
Meetings	Participant pairs
1	1896
2	88
3	24
4	11

Unique contacts: 2,019
Repeat excess: 169
Repeated pairs: 123
Worst pair count: 4
Min contacts / person: 18
Mean contacts / person: 26.57

Evidence and reproduction

gm-scenarios materialize internal.partial-attendance-keep-apart-capacity-pressure-152p.v1 --pretty --output case.json

Archive Checksums