diff --git a/modules/ANSFR/ANSFaceRecognizer.cpp b/modules/ANSFR/ANSFaceRecognizer.cpp
index 8c9e21e..fc255e0 100644
--- a/modules/ANSFR/ANSFaceRecognizer.cpp
+++ b/modules/ANSFR/ANSFaceRecognizer.cpp
@@ -255,8 +255,23 @@ namespace ANSCENTER {
 		if (engineType == EngineType::NVIDIA_GPU) {
 			optimizedModelFolder = GetParentFolder(_modelFilePath);
 
-			m_options.optBatchSize = 8;
-			m_options.maxBatchSize = 32;
+			// Must match the runtime Initialize() config EXACTLY — otherwise the
+			// engine built/looked-up here has a different profile than the one
+			// Initialize() expects, causing either a stale `.b32` rebuild every
+			// launch (wasting 30-60s) or a load-time profile mismatch.
+			// Keep in sync with lines 100-114.
+			m_options.optBatchSize = 4;
+			m_options.maxBatchSize = 4;
+
+			m_options.maxInputHeight = GPU_FACE_HEIGHT;
+			m_options.minInputHeight = GPU_FACE_HEIGHT;
+			m_options.optInputHeight = GPU_FACE_HEIGHT;
+
+			m_options.maxInputWidth = GPU_FACE_WIDTH;
+			m_options.minInputWidth = GPU_FACE_WIDTH;
+			m_options.optInputWidth = GPU_FACE_WIDTH;
+
+			m_options.calibrationBatchSize = 8;
 			m_options.engineFileDir = optimizedModelFolder;
 			m_options.precision = fp16 ? Precision::FP16 : Precision::FP32;