reduce overheads of unnecessary copy of config

Qiskit · Mar 22, 2023 · 6ccf398 · 6ccf398
1 parent d9d66f2
commit 6ccf398
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Showing 2 changed files with 2 additions and 7 deletions.
diff --git a/src/transpile/circuitopt.hpp b/src/transpile/circuitopt.hpp
@@ -40,14 +40,9 @@ class CircuitOptimization {
                                 const Operations::OpSet &opset,
                                 ExperimentResult &result) const = 0;
 
-  virtual void set_config(const Config &config);
-
-protected:
-  Config config_;
+  virtual void set_config(const Config &config){};
 };
 
-void CircuitOptimization::set_config(const Config &config) { config_ = config; }
-
 //-------------------------------------------------------------------------
 } // end namespace Transpile
 } // end namespace AER

diff --git a/src/transpile/fusion.hpp b/src/transpile/fusion.hpp
@@ -784,7 +784,7 @@ void Fusion::set_config(const Config &config) {
   config.get_option(threshold, "fusion_threshold");
 
   for (std::shared_ptr<Fuser> &fuser : fusers)
-    fuser->set_config(config_);
+    fuser->set_config(config);
 
   config.get_option(allow_kraus, "fusion_allow_kraus");
   config.get_option(allow_superop, "fusion_allow_superop");