standard tier · 72 briefs · 1,368 runs · results db2e24e

CityFormGen

Generative and optimisation methods for middle housing, compared under matched compute

RESEARCH GENERATIVE-DESIGN BENCHMARK - NOT CONSTRUCTION DOCUMENTATION OR CODE CERTIFICATION.

B0040 · best infeasible · seed 1

B0040-anneal-1-1069

Simulated annealingC · violates 1 of 17 benchmark constraints (1 violations). Brief B0040

Plan drawing of a rowhouse on a 20.7 by 22.5 metre lot, 2 storeys, 3 dwellings, 29 rooms. Dwelling U0 (2BR) has 9 rooms totalling 95 square metres. Dwelling U1 (3BR) has 11 rooms totalling 189 square metres. Dwelling U2 (2BR) has 9 rooms totalling 99 square metres. Building footprint 191 square metres; open space 272 square metres. This design is infeasible; failing categories: no street access. Objective scores, higher is better: density 0.87, daylight 0.65, privacy 0.89, circulation 0.50, carbon 0.83, cost 0.41.
B0040 · anneal · seed 1scale bar 5 m · north arrow top right✕ INFEASIBLE

Plan drawing of a rowhouse on a 20.7 by 22.5 metre lot, 2 storeys, 3 dwellings, 29 rooms. Dwelling U0 (2BR) has 9 rooms totalling 95 square metres. Dwelling U1 (3BR) has 11 rooms totalling 189 square metres. Dwelling U2 (2BR) has 9 rooms totalling 99 square metres. Building footprint 191 square metres; open space 272 square metres. This design is infeasible; failing categories: no street access. Objective scores, higher is better: density 0.87, daylight 0.65, privacy 0.89, circulation 0.50, carbon 0.83, cost 0.41.

Objective vector

Proxy scores in [0, 1], higher is better. Kept as a vector; there is no overall score.

density
0.873
daylight
0.646
privacy
0.892
circulation
0.499
carbon
0.829
cost
0.408

Reported quantities

FAR proxy (GFA / lot)
0.82
site utilisation
0.917
gross floor area, m²
382.9
footprint, m²
191.5
carbon proxy, kgCO₂e/m² (A1–A3)
322
cost index / m² (unitless)
2.67
worst habitable room, daylight
0.246
circulation share of GFA
25%
open space, net of parking
59%
courtyard void, m²
0.0
plumbing stacks
8
footprint corners
4
preferred adjacencies met
75%

Benchmark constraints

Benchmark rules, not building code.

  • C01geometry valid passed
  • C02no overlap passed
  • C03within buildable passed
  • C04min room area passed
  • C05min room dimension passed
  • C06max room aspect passed
  • C07min unit area passed
  • C08unit connectivity passed
  • C09street access failedentry not reachable from the street
  • C10habitable daylight passed
  • C11required adjacency passed
  • C12forbidden door passed
  • C13open space passed
  • C14courtyard provision passed
  • C15programme complete passed
  • C16unit contiguity passed
  • C17vertical support passed

Dwellings and rooms

DwellingTypeArea m²Rooms
U02BR95.59
U13BR188.611
U22BR98.99
All 29 rooms
RoomTypeDwellingStoreyw × h m
STAIR:U0@0circulationU0011.62.05 × 5.65
STAIR:U0@1circulationU0111.62.05 × 5.65
U0@0#1livingU0015.82.80 × 5.65
U0@0#2kitchenU007.43.60 × 2.05
U0@0#0entryU006.11.70 × 3.60
U0@0#3bathroomU006.81.90 × 3.60
U0@1#6bedroom secondaryU0111.73.25 × 3.60
U0@1#7bathroomU016.73.25 × 2.05
U0@1#5bedroom primaryU0117.83.15 × 5.65
STAIR:U1@0circulationU1017.81.55 × 11.50
STAIR:U1@1circulationU1117.81.55 × 11.50
U1@0#2diningU1013.73.90 × 3.50
U1@0#1livingU1031.23.90 × 8.00
U1@0#3kitchenU1019.52.75 × 7.10
U1@0#4bathroomU107.72.75 × 2.80
U1@0#0entryU104.42.75 × 1.60
U1@1#9bathroomU1114.03.30 × 4.25
U1@1#6bedroom primaryU1123.93.30 × 7.25
U1@1#7bedroom secondaryU1117.93.35 × 5.35
U1@1#8bedroom secondaryU1120.63.35 × 6.15
STAIR:U2@0circulationU2010.81.85 × 5.85
STAIR:U2@1circulationU2110.81.85 × 5.85
U2@0#2kitchenU208.13.45 × 2.35
U2@0#3bathroomU207.93.45 × 2.30
U2@0#0entryU204.13.45 × 1.20
U2@0#1livingU2018.43.15 × 5.85
U2@1#6bedroom secondaryU2116.12.75 × 5.85
U2@1#7bathroomU217.13.85 × 1.85
U2@1#5bedroom primaryU2115.43.85 × 4.00

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