abergeron commented on a change in pull request #4303: [TOPI][Relay][OP] Add a
strided_set operation.
URL: https://github.com/apache/incubator-tvm/pull/4303#discussion_r346909893
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File path: python/tvm/relay/op/_transform.py
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@@ -304,6 +305,31 @@ def compute_argwhere(attrs, inputs, output_type, _):
new_output_type = tvm.relay.ty.TensorType(output_shape, "int32")
return [topi.argwhere(new_output_type, inputs[0])]
+@_reg.register_compute("strided_set")
+def compute_strided_set(attrs, inputs, output_type, _):
+ """Compute definition of strided_set"""
+ begin = attrs.begin
+ end = attrs.end
+ strides = attrs.strides
+ n = len(inputs[0].shape)
+ ls = len(strides)
+ if ls < n:
+ strides = list(strides)
+ strides[ls:] = [1] * (n - ls)
+ lb = len(begin)
+ if lb < n:
+ begin = list(begin)
+ for i in range(lb, n):
+ begin.append(0 if strides[i] >= 0 else inputs.shape[i])
Review comment:
This is a bit different because the value to append might be different at
each index. It depends on the stride for that index. I'm not sure how to
shorten that.
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