cuda cnmem at one more place cublas batcheddot

theano/sandbox/cuda/blas.py

@@ -137,13 +137,9 @@ class BatchedDotOp(GpuOp):
                 host_z[i] = host_z[i - 1] + z_stride;
             }
 
-            err1 = cudaMalloc((void **)&gpu_x, ptr_array_size);
+            gpu_x = (float **) device_malloc(ptr_array_size);
 
-            if (err1 != cudaSuccess)
-            {
-                CLEANUP();
-                PyErr_Format(PyExc_RuntimeError,
-                             "%%s", "cudaMalloc failure");
+            if (gpu_x == NULL){
                 %(fail)s;
             }
 
@@ -195,7 +191,7 @@ class BatchedDotOp(GpuOp):
             do                                          \
             {                                           \
                 if (host_x) free (host_x);              \
-                if (gpu_x) cudaFree(gpu_x);             \
+                if (gpu_x) device_free(gpu_x);          \
             } while (0)
         """
 
@@ -213,6 +209,9 @@ class BatchedDotOp(GpuOp):
 
         return rval
 
+    def c_code_cache_version(self):
+        return (1,)
+
 batched_dot = BatchedDotOp()
 
 class GpuDot22(GpuOp):