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| Content Provider | ACM Digital Library |
|---|---|
| Author | Soule, Terence McMullin, Michael |
| Abstract | In this paper we compare typical variable arity operators to constant arity operators in which extraneous branches are treated as no-ops. We hypothesized that the consistent arity implementation would perform poorer than the variable arity implementation, due to a large amount of non-productive changes experienced during the early life of a consistent arity individual. Contrary to the expected result, both algorithms performed nearly identically. The consistent arity population developed a better average population faster, indicating that it would be a better option for tasks requiring many options for success. The variable arity population developed much smaller individuals on average, taking up much less space. This may be partly due to the large proportion of arity one operators in the operator set. However, a comparison of the execution times produced surprisingly mixed results, with the variable arity approach sometime taking significantly more time despite producing significantly smaller trees. |
| Starting Page | 987 |
| Ending Page | 988 |
| Page Count | 2 |
| File Format | |
| ISBN | 9781450300728 |
| DOI | 10.1145/1830483.1830663 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2010-07-07 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Operators Arity Genetic programming |
| Content Type | Text |
| Resource Type | Article |
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