anirudh2290 commented on a change in pull request #16654: Multithreaded
Inference Support
URL: https://github.com/apache/incubator-mxnet/pull/16654#discussion_r366101117
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File path: src/imperative/cached_op.h
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@@ -26,8 +26,191 @@
#include <utility>
#include <string>
#include <unordered_map>
+#include <map>
+#include "../operator/operator_common.h"
+#include "../operator/subgraph/common.h"
+#include "./imperative_utils.h"
namespace mxnet {
+namespace {
+
+ static const char FULL[] = "full";
+ static const char FORWARD[] = "forward";
+ static const char BACKWARD[] = "backward";
+ static const char REF_COUNT[] = "ref_count";
+ static const char MEM_PLAN[] = "mem_plan";
+ static const char STORAGE_PLAN[] = "storage_plan";
+
+std::string AddPrefix(const std::string& prefix,
+ const std::string& s) {
+ return prefix + "_" + s;
+}
+
+/* \brief create a forward graph from the Symbol */
+void CreateForwardGraph(const nnvm::Symbol &sym, nnvm::Graph *fwd_graph) {
+ using namespace nnvm;
+ static const auto _copy_op = Op::Get("_copy");
+ NodeEntryMap<size_t> dedup_out;
Review comment:
its not a set, NodeEntryMap is typedef'd to following in NNVM:
template<typename ValueType>
using NodeEntryMap = std::unordered_map<NodeEntry, ValueType,
NodeEntryHash, NodeEntryEqual>;
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