NodeFactory factory = NodeFactory.eINSTANCE;
Node root = factory.createNode();
root.setName("Node 0");
project.getModelElements().add(root);
for (int i = 1; i <= 2010; i++) {
	Node node = factory.createNode();
	node.setName("Node " + i);
	long start = System.currentTimeMillis();
	root.getChildren().add(node);
	long end = System.currentTimeMillis();
	System.out.println(i + ": " + (end - start) + " ms");
}