junrushao1994 commented on a change in pull request #6103:
URL: https://github.com/apache/incubator-tvm/pull/6103#discussion_r459183926



##########
File path: src/auto_scheduler/compute_dag.cc
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@@ -126,6 +555,7 @@ class FlopEstimator : public ExprFunctor<double(const 
PrimExpr& n)> {
           fail_ = true;
           break;
         }
+        cur_type_code_ = pop->output_dtype(0).code();

Review comment:
       @merrymercy I agree that it is totally okay if we can just use rough 
information (in fact it is highly non-trivial to get accurate info without 
backend info). My point is that `cur_type_code_` comes from the dtype of 
output, but it is totally possible that a compute dag contains computation of 
different type code (int8, fp16)




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