Steven Tartakovsky, Scott Clark, and Michael McCourt

In this post we’ll show how to use SigOpt’s Bayesian optimization platform to jointly optimize competing objectives in deep learning pipelines on NVIDIA GPUs more than ten times faster than traditional approaches like random search.

Measuring how well a model performs may not come down to a single factor. Often there are multiple, sometimes competing, ways to measure model performance. For example, in algorithmic trading an effective trading strategy is one with high portfolio returns and low drawdown. In the credit card industry, an effective fraud detection system needs to accurately identify fraudulent transactions in a timely fashion (for example less than 50 ms). In the world of advertising, an optimal campaign should simultaneously lead to higher click-through rates and conversion rates.

Optimizing for multiple metrics is referred to as multicriteria or multimetric optimization. Multimetric optimization is more expensive and time-consuming than traditional single metric optimization because it requires more evaluations of the underlying system to optimize the competing metrics.

nvidia.com

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