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Update depthwise_conv2d_implicit_gemm.py #1

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2 changes: 2 additions & 0 deletions examples/19_large_depthwise_conv2d_torch_extension/depthwise_conv2d_implicit_gemm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ def forward(ctx, x, w):
@staticmethod
@torch.cuda.amp.custom_bwd
def backward(ctx, grad):
grad = grad.contiguous()
x, w = ctx.saved_tensors
dx = _extension.backward_data_fp32(grad, w)
dw = _extension.backward_filter_fp32(grad, x, w)
Expand All @@ -37,6 +38,7 @@ def forward(ctx, x, w):
@staticmethod
@torch.cuda.amp.custom_bwd
def backward(ctx, grad):
grad = grad.contiguous()
x, w = ctx.saved_tensors
dx = _extension.backward_data_fp16(grad, w)
dw = _extension.backward_filter_fp16(grad, x, w)
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