| System | 
                        Year | 
                        Vendor | 
                        Cores | 
                        Rmax (GFlop/s) | 
                        Rpeak (GFlop/s) | 
                    
                    
                    
                        
                            
                                
                                | Expanse - PowerEdge R6525/C6525, AMD EPYC 7742, AMD EPYC 7742 64C, Mellanox HDR Infiniband | 
                                
                                
                                    2020
                                 | 
                                
                                    DELL
                                 | 
                                91,648 | 
                                2,480,600 | 
                                3,299,330 | 
                            
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | Gordon - Xtreme-X GreenBlade GB512X, Xeon E5-2670 8C 2.600GHz, Infiniband QDR | 
                                
                                
                                    2011
                                 | 
                                
                                    Cray/HPE
                                 | 
                                16,160 | 
                                285,800 | 
                                336,128 | 
                            
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | Trestles - Appro 1U-1143H Cluster, Opteron 8C 2.4Ghz, Infiniband QDR | 
                                
                                
                                    2010
                                 | 
                                
                                    Cray/HPE
                                 | 
                                10,112 | 
                                67,320 | 
                                99,532.8 | 
                            
                        
                    
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | Intimidata - eServer Blue Gene Solution | 
                                
                                
                                    2006
                                 | 
                                
                                    IBM
                                 | 
                                6,144 | 
                                13,780 | 
                                17,203.2 | 
                            
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | DataStar - eServer pSeries 655/690 (1.5/1.7 GHz Power4+) | 
                                
                                
                                    2005
                                 | 
                                
                                    IBM
                                 | 
                                2,464 | 
                                9,121 | 
                                15,628 | 
                            
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | DataStar - eServer pSeries 655/690 (1.5/1.7 Ghz Power4+) | 
                                
                                
                                    2004
                                 | 
                                
                                    IBM
                                 | 
                                1,696 | 
                                6,385 | 
                                10,406 | 
                            
                        
                    
                        
                    
                        
                            
                                
                                | DataStar - eServer pSeries 655/690 (1.5/1.7 Ghz Power4+) | 
                                
                                
                                    2004
                                 | 
                                
                                    IBM
                                 | 
                                1,680 | 
                                5,223 | 
                                10,310 | 
                            
                        
                    
                        
                            
                                
                                | Intimidata - eServer Blue Gene Solution | 
                                
                                
                                    2005
                                 | 
                                
                                    IBM
                                 | 
                                2,048 | 
                                4,713 | 
                                5,734 | 
                            
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | TeraGrid Cluster, Itanium 2 1.3 GHz, Myrinet | 
                                
                                
                                    2004
                                 | 
                                
                                    IBM
                                 | 
                                768 | 
                                3,152 | 
                                3,993 | 
                            
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | SP Power3 375 MHz 8 way | 
                                
                                
                                    2000
                                 | 
                                
                                    IBM
                                 | 
                                1,152 | 
                                929 | 
                                1,728 | 
                            
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | TeraGrid Cluster Itanium 2 1 GHz - Myrinet | 
                                
                                
                                    2003
                                 | 
                                
                                    IBM
                                 | 
                                252 | 
                                798.3 | 
                                1,008 | 
                            
                        
                    
                        
                    
                        
                            
                                
                                | pSeries 690 Turbo 1.3 GHz | 
                                
                                
                                    2004
                                 | 
                                
                                    IBM
                                 | 
                                256 | 
                                736.6 | 
                                1,331.2 | 
                            
                        
                    
                        
                            
                                
                                | SP Power3 222 MHz | 
                                
                                
                                    1999
                                 | 
                                
                                    IBM
                                 | 
                                1,152 | 
                                613 | 
                                1,023 | 
                            
                        
                    
                        
                            
                                
                                | T3E | 
                                
                                
                                    1996
                                 | 
                                
                                    Cray/HPE
                                 | 
                                268 | 
                                117 | 
                                160.8 | 
                            
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | T3E | 
                                
                                
                                    1996
                                 | 
                                
                                    Cray/HPE
                                 | 
                                256 | 
                                112 | 
                                153.6 | 
                            
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | SP Power3 222 MHz | 
                                
                                
                                    1999
                                 | 
                                
                                    IBM
                                 | 
                                128 | 
                                80.8 | 
                                113.6 | 
                            
                        
                    
                        
                            
                                
                                | SP P2SC 160 MHz | 
                                
                                
                                    1997
                                 | 
                                
                                    IBM
                                 | 
                                128 | 
                                57.2 | 
                                81.9 | 
                            
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | HPC 10000 333 MHz | 
                                
                                
                                    1999
                                 | 
                                
                                    Sun Microsystems
                                 | 
                                64 | 
                                34.2 | 
                                42.6 | 
                            
                        
                    
                        
                            
                                
                                | HPC 10000 333 MHz | 
                                
                                
                                    1997
                                 | 
                                
                                    Sun Microsystems
                                 | 
                                32 | 
                                17.9 | 
                                21.3 | 
                            
                        
                    
                        
                            
                                
                                | T916/14512 | 
                                
                                
                                    1997
                                 | 
                                
                                    Cray/HPE
                                 | 
                                14 | 
                                17.7 | 
                                25.2 | 
                            
                        
                    
                        
                    
                        
                            
                                
                                | T916/12512 | 
                                
                                
                                    1997
                                 | 
                                
                                    Cray/HPE
                                 | 
                                12 | 
                                15.4 | 
                                21.6 | 
                            
                        
                    
                        
                            
                                
                                | T3D MCA128-8 | 
                                
                                
                                    1995
                                 | 
                                
                                    Cray/HPE
                                 | 
                                128 | 
                                12.8 | 
                                19.2 | 
                            
                        
                    
                        
                    
                        
                            
                                
                                | XP/S30 | 
                                
                                
                                    1993
                                 | 
                                
                                    Intel
                                 | 
                                400 | 
                                11.9 | 
                                20 | 
                            
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | Y-MP C98/8128 | 
                                
                                
                                    1993
                                 | 
                                
                                    Cray/HPE
                                 | 
                                8 | 
                                6.9 | 
                                7.6 | 
                            
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | Y-MP8/864 | 
                                
                                
                                    1989
                                 | 
                                
                                    Cray/HPE
                                 | 
                                8 | 
                                2.1 | 
                                2.7 | 
                            
                        
                    
                        
                    
                        
                            
                                
                                | iPSC/860 | 
                                
                                
                                    1990
                                 | 
                                
                                    Intel
                                 | 
                                64 | 
                                1.4 | 
                                2.6 | 
                            
                        
                    
                        
                    
                        
                    
                        
                    
                        
                            
                                
                                | XP/S2 | 
                                
                                
                                    1994
                                 | 
                                
                                    Intel
                                 | 
                                28 | 
                                0.9 | 
                                1.4 |