Code

$(document).ready(function ()
{
	var start = Date.now();

	var diagram = Diagram.create($("#diagram")[0]);
	for (var i = 0; i < 137; i++)
		diagram.getFactory().createShapeNode((i % 8) * 50, Math.floor(i / 8) * 50, 30, 30);
	for (var i = 0; i < 170; i++)
		diagram.getFactory().createDiagramLink(
			diagram.nodes[i % 136], diagram.nodes[(i + 1) % 136]);

	diagram.fromJson(
		diagram.toJson());

	console.log(Date.now() - start + " milliseconds");
});