Table 1

Information metrics of environmental complexity.

Emergence of the organism with fitness w

w > 0.75

w >0.85

Average speed, epochs

Success Rate

Average speed, epochs

Success Rate


Un-evolved → AND

39

64/64

236

64/64

Un-evolved → OR

1,179

57/64

> 4,000

25/64

Un-evolved → A

1,667

60/64

2,425

59/64

Un-evolved → XOR

5,241

26/64

9,583

21/64


AND XOR

4,891

7/16

> 6,000

7/16

XOR AND

250

14/16

1230

6/16


AND OR

> 4,000

9/16

--

2/16

OR AND

17

16/16

199

14/16


A AND

125

15/16

696

10/16

AND A

1477

14/16

2362

14/16


A OR

220

11/16

2200

10/16

OR A

56

16/16

56

16/16


OR XOR

210

15/16

2093

10/16

XOR OR

42

16/16

119

16/16


A → XOR

240

14/16

887

11/16

{A &B} → XOR + HGT

138

16/16

423

12/16

XOR A

10

16/16

17

16/16


A populations is considered to be evolved once its fitness is above w = 0.75; additional phenotype refinement is required to pass the w = 0.85 threshold. Success rate is the ratio of simulations with fitness above threshold after 4,000 epochs over the total number of simulations.

Mozhayskiy and Tagkopoulos BMC Bioinformatics 2012 13(Suppl 10):S10   doi:10.1186/1471-2105-13-S10-S10

Open Data