Condor matches execute nodes (described by ClassAds) to jobs (also described by ClassAds). The general technique to manage GPUs is: -1. Advertise the GPU: Configure Condor so that execute nodes include information about available GPUs in their ClassAd. -2. Require a GPU: Jobs modify their Requirements to require a suitable GPU -3. Identify the GPU: Jobs modify their arguments or environment to learn which GPU it may use. +1: Advertise the GPU: Configure Condor so that execute nodes include information about available GPUs in their ClassAd. +2: Require a GPU: Jobs modify their Requirements to require a suitable GPU +3: Identify the GPU: Jobs modify their arguments or environment to learn which GPU it may use. {section: Advertising the GPU}