yuxihu commented on a change in pull request #14728: [MXNET-1386] fix for shape
mismatch
URL: https://github.com/apache/incubator-mxnet/pull/14728#discussion_r277398795
##########
File path: src/executor/graph_executor.cc
##########
@@ -482,20 +482,31 @@ void GraphExecutor::InitArguments(const
nnvm::IndexedGraph& idx,
const std::unordered_set<std::string>&
shared_arg_names,
const Executor* shared_exec,
std::unordered_map<std::string, NDArray>*
shared_buffer,
+ std::vector<std::string>* in_names,
std::vector<NDArray>* in_arg_vec,
std::vector<NDArray>* arg_grad_vec,
std::vector<NDArray>* aux_state_vec) {
+ // build name/index map for graph input nodes
+ std::map<std::string, uint32_t> inv_name_map;
+ for (size_t i = 0; i < num_forward_inputs_; ++i) {
+ const uint32_t nid = idx.input_nodes().at(i);
+ const std::string& arg_name = idx[nid].source->attrs.name;
+ inv_name_map[arg_name] = nid;
+ }
+
// initialize in_args, arg_grads, and aux_states and populate grad_store_
data_entry_.resize(idx.num_node_entries());
size_t arg_top = 0, aux_top = 0;
const auto& mutable_nodes = idx.mutable_input_nodes();
for (size_t i = 0; i < num_forward_inputs_; ++i) {
- const uint32_t nid = idx.input_nodes().at(i);
+ // get name from input names vector, and lookup new index of graph input
node
+ const std::string arg_name = in_names->at(i);
Review comment:
std::string&?
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