1. CSCS, Swiss National Supercomputing Centre,Lugano,Switzerland,6900
2. Barcelona Supercomputing Center,Barcelona,Spain,08034
3. CEA DAM,Bruyères-le-Châtel,France,91680
4. CINECA,Casalecchio di Reno,Italy,40033
5. Jülich Supercomputing Centre (JSC),Forschungszentrum Jülich,Jülich,Germany,52425