Quantifying Efficiency in Quality Diversity Optimization

Workshop on Benchmarks for Quality-Diversity Algorithms
GECCO 2022 — 10 July 2022

Bryon Tjanaka
University of Southern California
tjanaka@usc.edu

Matthew C. Fontaine
University of Southern California
mfontain@usc.edu

Stefanos Nikolaidis
University of Southern California
nikolaid@usc.edu

Measuring Performance in QD

$$\text{QD score} = \sum_{i=1}^M f(\bm{\phi}_i)$$

Greater performance? No problem!

Similar performance?

Similar performance? AUC!

QD score AUC

  • Sfikas et al. 2021 (Monte Carlo Elites)
  • Tjanaka et al. 2022 (DQD-RL)

$$\text{QD score AUC} = \sum_{i=1}^N (\lambda * \text{QD score at iteration $i$})$$

Limitations

Further Evaluations

"Intersections"

Applications

  • Similar final performance
  • Sample efficiency

Quantifying Efficiency in Quality Diversity Optimization

Workshop on Benchmarks for Quality-Diversity Algorithms
GECCO 2022 — 10 July 2022

Bryon Tjanaka, Matthew C. Fontaine, Stefanos Nikolaidis

Paper and Slides:

https://btjanaka.net