Measure checkpoints above 1B on GPU in bfloat16 only

integration.json

@@ -61,7 +61,15 @@
             "cuda"
           ],
           "gpu_memory_gb": 8,
-          "download_mb": 3000
+          "download_mb": 3000,
+          "variants": {
+            "default": {
+              "devices": []
+            },
+            "eager": {
+              "devices": []
+            }
+          }
         }
       }
     }