Guest Editorial: SBAC-PAD 2013

Welcome to this special issue, a showcase of an extension of some of the most notable papers which were presented at SBAC-PAD 2013 in Porto de Galinhas, Brazil, in October 2013. SBAC-PAD is an international annual conference, started in 1987, which has continuously presented an overview of new developments, applications, and trends in parallel and distributed computing technologies. SBAC-PAD is open to faculty members, researchers, practitioners, and graduate students around the world. Last year, itwas promoted by theBrazilianComputer Society, organized in cooperation with the IEEE Computer Society Technical Committee on Computer Architecture,