Summary of the Growth of Capability of HPC Systems at NCI (and antecedents) from 1987

System (Name) Processor Memory Storage Peak Perf. Sustained Perf. (Spec) Initial top 500 rank
1987–92 Fujitsu VP100 Vector 64 MByte - 0.15 GFlops - -
1992–96 Fujitsu VP2200 Vector 512 MByte 27 GByte 1.25 GFlops - -
1996–2001 Fujitsu VPP Vector/ Scalar 14 GByte - 28 GFlops - 59
SGI Power Challenge XL 20 MIPS R10000 2 GByte 77 GByte 6.4 GFlops - -
2001–05 Compaq/HP Alphaserver (sc) 512 DEC Alpha 0.5 TByte 12TByte 1 TFlop 2,000 31
2005–09 SGI Altix 3700 (ac) 1920 Intel Itanium 5.5 TByte 100 TByte 14 TFlop 21,000 26
2009–13 SGI Altix XE (xe) 1248 Intel Xeon (Nehalem) 2.5 TByte 90 TByte 14 TFlop 12,000 -
2009–13 Sun/Oracle Constellation (Vayu) 11,936 Intel Xeon (Nehalem) 37 TByte 800 TByte 140 TFlop 240,000 35
2013– Fujitsu Primergy (Raijin) 57,472 Intel Xeon (Sandy Bridge) 160 TByte 12.5 PByte 1195 TFlop 1,600,000 24