adaptive refining online! it seems to use a single cpu at a time instead of all, need to check this

noname.gv

@@ -0,0 +1,13 @@
+digraph G {
+	graph [layout=dot rankdir=LR]
+
+// This is just an example for you to use as a template.
+// Edit as you like. Whenever you save a legal graph
+// the layout in the graphviz window will be updated.
+
+	vim [href="http://www.vim.org/"]
+	dot [href="http://www.graphviz.org/"]
+	vimdot [href="file:///usr/bin/vimdot"]
+
+	{vim dot} -> vimdot
+}