fix gpu convop stuff since when we don't give the shape to ConvOp.

theano/sandbox/cuda/blas.py

@@ -140,13 +140,15 @@ class GpuConv(Op):
             #TODO: reconsider this... since shapes are not given in constructor,
             # maybe a multiplier + offset is a more appropriate way of passing this logical
             # grid
-        self.logical_img_hw = tuple(logical_img_hw)
+            logical_img_hw = tuple(logical_img_hw)
+        self.logical_img_hw = logical_img_hw
         if logical_kern_hw is not None:
             h,w = logical_kern_hw
             #TODO: reconsider this... since shapes are not given in constructor,
             # maybe a multiplier + offset is a more appropriate way of passing this logical
             # grid
-        self.logical_kern_hw = tuple(logical_kern_hw)
+            logical_kern_hw = tuple(logical_kern_hw)
+        self.logical_kern_hw = logical_kern_hw
         self.logical_kern_align_top = logical_kern_align_top
         self.version=version
         self.verbose=verbose
@@ -195,6 +197,8 @@ class GpuConv(Op):
                 version=self.version,
                 verbose=self.verbose)
     def c_support_code_apply(self, node, nodename):
+        if self.logical_img_hw is None or self.logical_kern_hw is None:
+            return super(GpuConv,self).c_support_code_apply(node, nodename)
         img_wid = self.logical_img_hw[1]
         img_len = self.logical_img_hw[0]
 
@@ -588,6 +592,8 @@ conv_full_patch_stack_padded( float* img, float* kern, float* out,
         subsample_cols=self.subsample[1]
         version=self.version
         verbose=self.verbose
+        if self.logical_img_hw is None or self.logical_kern_hw is None:
+            return super(GpuConv,self).c_code(node,nodename,(img, kern), (out,),sub)        
         #todo assert out is ccontiguous
         img_wid = self.logical_img_hw[1]
         img_len = self.logical_img_hw[0]

theano/sandbox/cuda/opt.py

@@ -339,9 +339,12 @@ def local_gpu_conv(node):
     conv(host_from_gpu) -> host_from_gpu(gpu_conv)
     """
     def GpuConvOp_from_ConvOp(op):
+        logical_img_hw=None
+        if op.imshp_logical is not None:
+            logical_img_hw=op.imshp_logical[1:3]
         ret = GpuConv(border_mode=op.out_mode,
                     subsample=(op.dx, op.dy),
-                    logical_img_hw=op.imshp_logical[1:3],
+                    logical_img_hw=logical_img_hw,
                     logical_kern_hw=op.kshp_logical,
                     logical_kern_align_top=op.kshp_logical_top_aligned,
                     version=op.version,