masahi commented on a change in pull request #6468:
URL: https://github.com/apache/incubator-tvm/pull/6468#discussion_r487684233
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File path: python/tvm/relay/frontend/pytorch.py
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@@ -1230,6 +1230,45 @@ def _impl(inputs, input_types):
return _impl
+def _pixel_shuffle(prelude):
+ def _impl(inputs, input_types):
+ data = inputs[0]
+ upscale_factor = inputs[1]
+ upscale_squared = upscale_factor * upscale_factor
+ b, c, h, w = _infer_shape(data)
+ assert c % upscale_squared == 0, \
+ "input channel should be divisible by square of upscale_factor"
+
+ import torch
+ if isinstance(data, _expr.Expr):
+ ndims = len(_infer_shape(data, prelude.mod))
+ elif isinstance(data, list):
+ ndims = data
+ elif isinstance(data, (torch.Tensor, np.ndarray)):
+ ndims = _infer_shape(data)
+ else:
+ msg = "Data type %s could not be parsed in transpose op" %
(type(data))
+ raise AssertionError(msg)
+
+ if isinstance(data, tvm.runtime.NDArray):
+ ndims = len(_infer_shape(data))
Review comment:
It seems you copy pasted the above code from `_transpose()`. That one is
a legacy code we don't want to repeat. Please leave only what is necessary.
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