The computer was built as a researching and demonstration project by the ASTRA group of researchers at the Vision Lab in the University of Antwerp in Belgium , one of the researchers being Joost Batenburg . Unlike other modern supercomputers such as the Cray Jaguar and the IBM Roadrunner , which cost millions of euros , the Fastra II only use consumer hardware , costing € 6 @,@ 000 in total .