fix cuda gemm optimizer following change in how gemm optimizer work.

theano/sandbox/cuda/opt.py

@@ -148,10 +148,10 @@ def local_gpu_gemm(node):
     """
     if node.op == gpu_from_host:
         host_input = node.inputs[0]
-        if host_input.owner and host_input.owner.op == tensor.blas.gemm:
+        if host_input.owner and host_input.owner.op == tensor.blas.gemm_inplace:
             z, a, x, y, b = host_input.owner.inputs
             return [gpu_gemm(gpu_from_host(z), a, gpu_from_host(x), gpu_from_host(y), b)]
-    if node.op == tensor.blas.gemm:
+    if node.op == tensor.blas.gemm_inplace:
         z, a, x, y, b = node.inputs
         x_on_gpu = (x.owner and x.owner.op == host_from_gpu)
         y_on_gpu = (y.owner and y.owner.op == host_from_gpu)