apeforest commented on a change in pull request #11742: [MXNET-623][WIP] Fixing
an integer overflow bug in large NDArray
URL: https://github.com/apache/incubator-mxnet/pull/11742#discussion_r217121905
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File path: src/c_api/c_api_function.cc
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@@ -56,7 +56,7 @@ std::vector<nnvm::NodeEntry> Gradient(
std::vector<nnvm::NodeEntry> ret;
for (index_t i = 0; i < g->num_outputs(); ++i) {
- ret.emplace_back(nnvm::NodeEntry{g, i, 0});
+ ret.emplace_back(nnvm::NodeEntry{g, static_cast<uint32_t>(i), 0});
Review comment:
The Node data structure in nnvm::Graph uses uint32_t to index graph nodes.
In that case, the number of nodes in the graph is not going to be greater than
2^32. I have communicated this to the tvm team and they suggest we keep the
uint32_t for node id.
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