masahi commented on a change in pull request #9986:
URL: https://github.com/apache/tvm/pull/9986#discussion_r789947275
##########
File path: python/tvm/topi/cuda/conv2d.py
##########
@@ -123,3 +123,22 @@ def conv2d_cudnn(
def schedule_conv2d_cudnn(cfg, outs):
"""Create the schedule for conv2d_cudnn"""
return generic.schedule_extern(outs)
+
+
+def conv2d_backward_weight(
+ dy, x, kernel_size, padding, stride, dilation, groups, layout, output_dtype
+):
+ """Compute conv2d wgrad using CuDNN library"""
+ assert layout in ["NCHW", "NHWC"]
+ return cudnn.conv_backward_filter(
+ dy,
+ x,
+ kernel_size,
+ padding,
+ stride,
+ dilation,
+ conv_mode=1,
+ tensor_format=0 if layout == "NCHW" else 1,
+ conv_dtype=output_dtype,
+ groups=groups,
+ )
Review comment:
yes this was a mistake, thanks for spotting.
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