[Fix] fix deconv_flops_counter_hooker (#1760)

* fix deconv_flops_counter

* Update generalized_attention.py

mmcv/cnn/bricks/generalized_attention.py

@@ -351,7 +351,7 @@ class GeneralizedAttention(nn.Module):
                         repeat(n, 1, 1, 1)
 
                     position_feat_x_reshape = position_feat_x.\
-                        view(n, num_heads, w*w_kv, self.qk_embed_dim)
+                        view(n, num_heads, w * w_kv, self.qk_embed_dim)
 
                     position_feat_y_reshape = position_feat_y.\
                         view(n, num_heads, h * h_kv, self.qk_embed_dim)

mmcv/cnn/utils/flops_counter.py

@@ -459,7 +459,7 @@ def deconv_flops_counter_hook(conv_module, input, output):
     bias_flops = 0
     if conv_module.bias is not None:
         output_height, output_width = output.shape[2:]
-        bias_flops = out_channels * batch_size * output_height * output_height
+        bias_flops = out_channels * batch_size * output_height * output_width
     overall_flops = overall_conv_flops + bias_flops
 
     conv_module.__flops__ += int(overall_flops)