Fix issue degrading performance of Model processing threads

src/SlsDetectorCPUAffinity.cpp

@@ -1578,11 +1578,17 @@ void GlobalCPUAffinityMgr::setModelAffinity(
 {
 	DEB_MEMBER_FUNCT();
 	DEB_PARAM() << DEB_VAR1(model_affinity_list);
+
+	if (model_affinity_list == m_curr.model_threads)
+		return;
+
 	m_cam->m_model->setThreadCPUAffinity(model_affinity_list);
 
 	CPUAffinity buffer_affinity = CPUAffinityList_all(model_affinity_list);
 	DEB_ALWAYS() << DEB_VAR1(buffer_affinity);
 	m_cam->m_buffer_ctrl_obj->setCPUAffinityMask(buffer_affinity);
+
+	m_curr.model_threads = model_affinity_list;
 }
 
 void GlobalCPUAffinityMgr::updateRecvRestart()