| System | Year | Vendor | Cores | Rmax (GFlop/s) | Rpeak (GFlop/s) | 
                    
                    
                        
                            
                                
                                | Zumbrota - BlueGene/Q, Power BQC 16C 1.60GHz, Custom | 2012 | IBM | 65,536 | 715,551 | 838,861 | 
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | PORTHOS - IBM NeXtScale nx360M5, Xeon E5-2697v3 14C 2.6GHz, Infiniband FDR | 2014 | IBM | 16,100 | 506,357 | 669,760 | 
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | Athos - iDataPlex DX360M4, Intel Xeon E5-2697v2 12C 2.700GHz, Infiniband FDR14 | 2013 | IBM | 18,144 | 352,671 | 391,910 | 
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | Ivanhoe - iDataPlex, Xeon X56xx 6C 2.93 GHz, Infiniband | 2010 | IBM | 16,320 | 168,800 | 191,270.4 | 
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | Frontier2 BG/L - Blue Gene/P Solution | 2008 | IBM | 32,768 | 95,450 | 111,411 | 
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | Clamart2 - Cluster Platform 3000 BL280c G6, Xeon X55xx 2.93Ghz, Infiniband | 2009 | HPE | 2,200 | 21,738.9 | 25,784 | 
                        
                    
                        
                            
                                
                                | Frontier - eServer Blue Gene Solution | 2007 | IBM | 8,192 | 18,665 | 22,937.6 | 
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | eServer Blue Gene Solution | 2006 | IBM | 4,096 | 9,433 | 11,468.8 |