zhiics commented on a change in pull request #5143: [RELAY] Re-wrote the Graph
Partitioner to support multiple outputs
URL: https://github.com/apache/incubator-tvm/pull/5143#discussion_r398760603
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File path: src/relay/transforms/partition_graph.cc
##########
@@ -365,35 +374,113 @@ class Partitioner : public ExprMutator {
IRModule Partition() {
auto glob_funcs = module_->functions;
for (const auto& pair : glob_funcs) {
- if (auto* fn = pair.second.as<FunctionNode>()) {
+ if (auto *fn = pair.second.as<FunctionNode>()) {
auto func = GetRef<Function>(fn);
func = Function(func->params,
- VisitExpr(func->body),
- func->ret_type,
- func->type_params,
- func->attrs);
+ VisitExpr(func->body),
+ func->ret_type,
+ func->type_params,
+ func->attrs);
module_->Update(pair.first, func);
}
}
return module_;
}
private:
- int var_id_{0};
- int subgraph_id_{0};
- std::unordered_set<std::shared_ptr<Subgraph>> subgraphs_;
+ /*!
+ * \brief Get the region an expression belongs to
+ * if its in a region.
+ */
+ AnnotatedRegion GetRegion(const Expr& e) {
+ for (auto sg_set_it : regions_sets_) {
+ auto sg_set = sg_set_it.first;
+ AnnotatedRegion sg = sg_set->GetRegion(e);
+ if (sg.defined()) {
+ return sg;
+ }
+ }
+ return AnnotatedRegion(nullptr);
+ }
+
+ /*!
Review comment:
align
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