HPCS 2012 panels: Panel I: Energy efficient systems in next generation high performance data and compute centers. - Laurent Lefèvre; Vicente Martin; Miguel A. Ordonez; Johnatan E. Pecero; Jean-Marc Pierson; Jesús Carretero 001; Pascal Bouvry; David R. C. Hill; Jesús Labarta; Reinhard Schneider 002; James C. Sexton; Mads Nygård; et al. (HPCS, 2012)