jwfromm commented on a change in pull request #6681:
URL: https://github.com/apache/incubator-tvm/pull/6681#discussion_r505043967
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File path: python/tvm/relay/frontend/onnx.py
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@@ -532,10 +534,18 @@ def flatten_to_3d(x, x_shape):
b = _op.transpose(b, [0, 2, 1])
# Perform a batch matmul.
output = _op.nn.batch_matmul(a, b)
+ # Determine the output batch dimension.
+ if a_rank >= b_rank:
+ out_batch = _op.strided_slice(a_shape, [0],
[infer_shape(a_shape)[0] - 2])
+ else:
+ out_batch = _op.strided_slice(b_shape, [0],
[infer_shape(b_shape)[0] - 2])
Review comment:
Can you check out the changes in the most recent commit? It addresses
the corner case but does insert some extra operations. Do you think its worth
it?
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