Fixes for GPU rendering and more readable tooltip with render time

benchmark/farm.py

@@ -38,7 +38,7 @@ def configureArgumentParser():
     #                     default=[])
     parser.add_argument('-t', '--device-type',
                         help="Type of the device to render on",
-                        default="CPU")
+                        default="")
     parser.add_argument('-n', '--device-name',
                         help="Device name to render on",
                         default="")
@@ -128,7 +128,7 @@ def checkConfiguration(config):
     if not os.path.exists(section["scenes_dir"]):
         logger.INFO("    Scenes directory does not exist.")
         return False
-    if not section["output_dir"]:
+    if "output_dir" not in section:
         logger.INFO("    Missing configuration for output directory.")
         return False
     return True