cjolivier01 commented on a change in pull request #7947: [WIP] Refactor infer
storage function for sparse operators.
URL: https://github.com/apache/incubator-mxnet/pull/7947#discussion_r140919833
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File path: src/c_api/c_api_function.cc
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@@ -107,6 +107,24 @@ void Backward(const OpStatePtr& state,
Imperative::Get()->set_is_recording(prev_recording);
}
+// infer storage function for custom op, which assigns kDefaultStorage for
+// all undefined stypes, and dispatch on kDispatchFComputeEx.
+inline bool CustomFunctionStorageType(const nnvm::NodeAttrs& attrs,
+ const int dev_mask,
+ int* dispatch_mode,
+ std::vector<int> *iattr,
+ std::vector<int> *oattr) {
+ for (int& v : *oattr) {
+ if (v == -1) v = kDefaultStorage;
+ }
+ for (int& v : *iattr) {
Review comment:
same, int by reference?
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