diff --git a/CMakeLists.txt b/CMakeLists.txt
index e157c61221f77995bd72125ce848aa0024012a50..df8d6d4dff7be783aef58a5beca33d3a922caa1f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,7 +19,7 @@ option(PYBIND "python binding" ON)
 option(WERROR "Warning as error" OFF)
 option(TEST "Enable tests" ON)
 option(COVERAGE "Enable coverage" OFF)
-option(ENABLE_ASAN "Enable ASan (adress sanitizer) for runtime analysis of memory use (over/underflow, memory leak, ...)" OFF)
+option(ENABLE_ASAN "Enable ASan (AddressSanitizer) for runtime analysis of memory use (over/underflow, memory leak, ...)" OFF)
 
 ##############################################
 # Import utils CMakeLists
diff --git a/include/aidge/graph/Node.hpp b/include/aidge/graph/Node.hpp
index c9004a8e4a5a34c9092a80f9044a5a343b5b7ad7..908f56295887bd2fbed3350a026045a4ab6b21d9 100644
--- a/include/aidge/graph/Node.hpp
+++ b/include/aidge/graph/Node.hpp
@@ -457,12 +457,13 @@ private:
    */
   void addParent(const NodePtr otherNode, const IOIndex_t inId);
 
-  /**
-   * @brief operator<< overload to ease print & debug of nodes
-   * @param[inout] ostream to print to 
-   * @param[in] n node to print
-   */
-  friend std::ostream& operator << (std::ostream& os, Node& n); 
+  // OPERATOR FUNCTIONNAL but commented out to avoid iostream inclusion
+  // /**
+  //  * @brief operator<< overload to ease print & debug of nodes
+  //  * @param[inout] ostream to print to 
+  //  * @param[in] n node to print
+  //  */
+  // friend std::ostream& operator << (std::ostream& os, Node& n); 
 };
 
 } // namespace Aidge
diff --git a/include/aidge/operator/GlobalAveragePooling.hpp b/include/aidge/operator/GlobalAveragePooling.hpp
index 718782372c1eca2f73d2dd382f7525fbefb3e8a3..12c8eb02d9488edeb760b6a063cfac5f8257db18 100644
--- a/include/aidge/operator/GlobalAveragePooling.hpp
+++ b/include/aidge/operator/GlobalAveragePooling.hpp
@@ -17,8 +17,6 @@
 #include <vector>
 
 #include "aidge/backend/OperatorImpl.hpp"
-#include "aidge/data/Data.hpp"
-#include "aidge/data/Tensor.hpp"
 #include "aidge/graph/Node.hpp"
 #include "aidge/operator/OperatorTensor.hpp"
 #include "aidge/utils/Registrar.hpp"
@@ -43,9 +41,9 @@ public:
 
   GlobalAveragePooling_Op(const GlobalAveragePooling_Op &op)
       : OperatorTensor(op) {
-        if (op.mImpl){
-            SET_IMPL_MACRO(GlobalAveragePooling_Op, *this, op.mOutputs[0]->getImpl()->backend());
-        }else{
+        if (op.mImpl) {
+            SET_IMPL_MACRO(GlobalAveragePooling_Op, *this, op.backend());
+        } else {
             mImpl = nullptr;
         }
   }
@@ -56,10 +54,7 @@ public:
 
   void computeOutputDims() override final;
 
-  void setBackend(const std::string &name, DeviceIdx_t device = 0) override {
-    SET_IMPL_MACRO(GlobalAveragePooling_Op, *this, name);
-    mOutputs[0]->setBackend(name, device);
-  }
+  void setBackend(const std::string &name, DeviceIdx_t device = 0) override final;
 
   static const std::vector<std::string> getInputsName() {
     return {"data_input"};
diff --git a/src/graph/Node.cpp b/src/graph/Node.cpp
index 2b1205c068d2c8510fb98e99c89b0988712fb193..8867a40de6f13994eec367afa8cc5dc2c994a3cf 100644
--- a/src/graph/Node.cpp
+++ b/src/graph/Node.cpp
@@ -173,6 +173,7 @@ void Aidge::Node::setInputId(const IOIndex_t inId, const IOIndex_t newNodeoutId)
         "Input index ({}) is out of bound ({}) for node {} (of type {})",
         inId, nbInputs(), name(), type());
     if (mIdOutParents[inId] != gk_IODefaultIndex) {
+        Log::warn("Warning: filling a Tensor already attributed\n");
         auto originalParent = input(inId);
         // remove original parent reference to child
         // find the output ID for original Parent
@@ -390,25 +391,25 @@ std::set<Aidge::NodePtr> Aidge::Node::getNodeDelta(int delta, std::set<Aidge::No
     return out;
 }
 
-namespace Aidge {
-std::ostream& operator << (std::ostream& os, Aidge::Node& n) {
-    using namespace std;
-    os << "Node :\tName :\t\"" << n.name() << "\"\tType : \"" << n.getOperator()->type()<< "\"\tIN/OUTputs : "<< n.nbInputs() <<"/"<< n.nbOutputs() <<endl; 
-    os << "\tParents :\t" ;
-    for (const auto & p : n.getParents())
-    {
-        os << "\"" <<p->name() << "\"\t"; 
-    }
-    os << endl;
-    os << "\tChildren :\t" ;
-    for (const auto & c : n.getChildren())
-    {
-        os << "\"" << c->name() << "\"\t"; 
-    }
-    os << endl;
-    return os;
-}
-}
+// namespace Aidge {
+// std::ostream& operator << (std::ostream& os, Aidge::Node& n) {
+//     using namespace std;
+//     os << "Node :\tName :\t\"" << n.name() << "\"\tType : \"" << n.getOperator()->type()<< "\"\tIN/OUTputs : "<< n.nbInputs() <<"/"<< n.nbOutputs() <<endl;
+//     os << "\tParents :\t" ;
+//     for (const auto & p : n.getParents())
+//     {
+//         os << "\"" <<p->name() << "\"\t";
+//     }
+//     os << endl;
+//     os << "\tChildren :\t" ;
+//     for (const auto & c : n.getChildren())
+//     {
+//         os << "\"" << c->name() << "\"\t";
+//     }
+//     os << endl;
+//     return os;
+// }
+// }
 /////////////////////////////////////////////////////////////////////////////////////////////
 // private
 
diff --git a/src/operator/GlobalAveragePooling.cpp b/src/operator/GlobalAveragePooling.cpp
index da760a4c89203c0415bb9a0259e25d5e7908b7d6..618ccc06f40da4b1f1c491487fd978da768652e4 100644
--- a/src/operator/GlobalAveragePooling.cpp
+++ b/src/operator/GlobalAveragePooling.cpp
@@ -9,10 +9,15 @@
  *
  ********************************************************************************/
 
+#include <memory>
+#include <stdexcept>  // std::runtime_error
 #include <string>
 #include <vector>
 
+#include "aidge/data/Tensor.hpp"
 #include "aidge/operator/GlobalAveragePooling.hpp"
+#include "aidge/utils/ErrorHandling.hpp"
+#include "aidge/utils/Types.h"
 
 const std::string Aidge::GlobalAveragePooling_Op::Type = "GlobalAveragePooling";
 
@@ -40,3 +45,8 @@ void Aidge::GlobalAveragePooling_Op::computeOutputDims() {
     mOutputs[0]->resize(out_dims);
   }
 }
+
+void Aidge::GlobalAveragePooling_Op::setBackend(const std::string &name, Aidge::DeviceIdx_t device) {
+    SET_IMPL_MACRO(GlobalAveragePooling_Op, *this, name);
+    mOutputs[0]->setBackend(name, device);
+}
\ No newline at end of file
diff --git a/unit_tests/scheduler/Test_Scheduler.cpp b/unit_tests/scheduler/Test_Scheduler.cpp
index 0ec3c69741f51348034280ef8f31eaa87c0a8f84..514fb3b494b50112f26efbaba831e2b46429adcd 100644
--- a/unit_tests/scheduler/Test_Scheduler.cpp
+++ b/unit_tests/scheduler/Test_Scheduler.cpp
@@ -44,6 +44,7 @@ TEST_CASE("randomScheduling", "[Scheduler][randomGen]") {
     const size_t nb_nodes = nb_nodes_dist(gen);
 
     SECTION("Acyclic Graph") {
+        Aidge::Log::setConsoleLevel(Aidge::Log::Warn);
       fmt::print("gen acyclic graph of {} nodes...\n", nb_nodes);
       randGraph.acyclic = true;
 
@@ -64,8 +65,8 @@ TEST_CASE("randomScheduling", "[Scheduler][randomGen]") {
           g1->add(prod);
         }
 
-        // g1->save("schedule");
-        g1->forwardDims();
+        g1->save("schedule");
+        g1->compile();
 
         fmt::print("gen scheduling...\n");
         auto scheduler = SequentialScheduler(g1);