apeforest commented on a change in pull request #17882: Improve performance of
broadcast_axis
URL: https://github.com/apache/incubator-mxnet/pull/17882#discussion_r410368950
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File path: src/operator/tensor/broadcast_reduce_op.h
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@@ -1103,21 +1132,55 @@ inline void BroadcastComputeImpl(const
nnvm::NodeAttrs& attrs,
out_shape[i] = 1;
}
}
- if (dst_shape.ndim() == 2) {
+ uint64_t axes[dst_shape.ndim()], out_stride[dst_shape.ndim()];
+ int iter = dst_shape.ndim() - 1, i = 0;
+ bool flag = false;
Review comment:
what does the flag here mean? Please use a more informative name.
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