Stefan, rendering slowness can get caused by many different factors, and many problems are solved by the fixes referenced in this bug report, but there still seem to be other cases which cause slownesses.
For your case I have reported the following bug to Ghostscript upstream:
Stefan, rendering slowness can get caused by many different factors, and many problems are solved by the fixes referenced in this bug report, but there still seem to be other cases which cause slownesses.
For your case I have reported the following bug to Ghostscript upstream:
http:// bugs.ghostscrip t.com/show_ bug.cgi? id=692959
Please subscribe to that bug report and answer the developers questions if needed. Thanks for your report and test file.