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}