[GitHub] [incubator-tvm] merrymercy commented on a change in pull request #6686: [AutoSchedule] Support multiple cache read and fix bugs

[GitBox <gi...@apache.org>]

merrymercy commented on a change in pull request #6686:
URL: https://github.com/apache/incubator-tvm/pull/6686#discussion_r507190795



##########
File path: src/auto_scheduler/compute_dag.cc
##########
@@ -662,7 +662,42 @@ ComputeDAG::ComputeDAG(Array<te::Tensor> tensors) {
   auto node = make_object<ComputeDAGNode>();
   node->tensors = std::move(tensors);
   node->access_analyzer = AccessAnalyzer(node->tensors);
-  node->ops = node->access_analyzer->ops_topo_order;
+
+  Array<te::Operation> out_ops;
+  for (const auto& op : node->access_analyzer->ops_topo_order) {
+    if (node->access_analyzer.IsOutput(op)) {
+      out_ops.push_back(op);
+    }
+  }
+  te::Schedule sch = te::create_schedule(out_ops);
+  for (auto stage : sch->stages) {
+    node->ops.push_back(stage->op);
+  }
+
+  node->flop_ct = FlopEstimator().EstimateFlop(node->ops);
+  node->init_state = State(node->ops);
+  data_ = std::move(node);
+}
+
+ComputeDAG::ComputeDAG(const te::Schedule& sch) {
+  auto node = make_object<ComputeDAGNode>();
+
+  // Initialize ops. Here we enforce the order of ops and stages are consistent
+  for (auto stage : sch->stages) {
+    node->ops.push_back(stage->op);
+  }
+
+  // Collect output tensors

Review comment:
       ```suggestion
     // Collect input and output tensors
   ```




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