Disable conv3d mkldnn in dam (#15335)

* disable conv3d mkldnn in dam

* Add some comments  test=develop

paddle/fluid/inference/tests/api/analyzer_dam_tester.cc

@@ -191,7 +191,9 @@ void profile(bool use_mkldnn = false) {
 
   if (use_mkldnn) {
     cfg.EnableMKLDNN();
-    std::unordered_set<std::string> op_list = {"conv3d"};
+    // Enable all the mkldnn supported ops except conv3d in dam
+    std::unordered_set<std::string> op_list = {"softmax", "elementwise_add",
+                                               "relu"};
     cfg.SetMKLDNNOp(op_list);
   }
 
@@ -235,7 +237,9 @@ void compare(bool use_mkldnn = false) {
   SetConfig(&cfg);
   if (use_mkldnn) {
     cfg.EnableMKLDNN();
-    std::unordered_set<std::string> op_list = {"conv3d"};
+    // Enable all the mkldnn supported ops except conv3d in dam
+    std::unordered_set<std::string> op_list = {"softmax", "elementwise_add",
+                                               "relu"};
     cfg.SetMKLDNNOp(op_list);
   }