Set node_fusion_options.drop_constant_initializers to true for node_fusion_options

Author: chilo-ms

plugin_execution_providers/tensorrt/tensorrt_execution_provider.cc

@@ -1033,6 +1033,9 @@ OrtStatus* ORT_API_CALL TensorrtExecutionProvider::GetCapabilityImpl(OrtEp* this
       OrtNodeFusionOptions node_fusion_options = {};
       node_fusion_options.ort_version_supported = ORT_API_VERSION;
 
+      // Set "drop constant initializers" to true as TRT doesn't need ORT to provide constant initializers
+      // as inputs to the fused/compiled node at inference time. This allows ORT to release unused initializers.
+      node_fusion_options.drop_constant_initializers = true;
       RETURN_IF_ERROR(ep->ep_api.EpGraphSupportInfo_AddNodesToFuse(graph_support_info, supported_nodes.data(),
                                                                    supported_nodes.size(), &node_fusion_options));
       number_of_trt_nodes += static_cast<int>(group.first.size());