Add a check when we init the gpu about the warpSize != 32.

theano/sandbox/cuda/__init__.py

@@ -373,7 +373,12 @@ def use(device,
             if test_driver:
                 import theano.sandbox.cuda.tests.test_driver
                 theano.sandbox.cuda.tests.test_driver.test_nvidia_driver1()
-
+            if device_properties(use.device_number)["warpSize"] != 32:
+                raise ValueError("Your GPU have a warpSize of 32. Currently"
+                                 " we have code that depend on this. Email"
+                                 " Theano mailing list to tell us about"
+                                 " this new GPU as we don't know any with"
+                                 " this properties")
             if move_shared_float32_to_gpu:
                 handle_shared_float32(True)