The Computer Society of Iran (CSI), and the School of Computer Science of the Institute for Research in Fundamental Sciences (IPM-CS), are jointly organizing the 17th symposium on Computer Architecture and Digital Systems CADS2013 to be held on October 30-31, 2013 in Tehran, Iran. During these days, IPM as a leading research institute with its strong research culture will host researchers, scientists, engineers and practitioners in the fields of computer architecture and digital systems, to exchange their latest research results and findings. It is anticipated that the meeting will gather many people from all around the world.