Roadrunner - BladeCenter QS22/LS21 Cluster, PowerXCell 8i 3.2 Ghz / Opteron DC 1.8 GHz, Voltaire Infiniband

Site: DOE/NNSA/LANL
Manufacturer: IBM
Cores: 122,400
Memory:
Processor: PowerXCell 8i 9C 3.2GHz
Interconnect: Infiniband
Performance
Linpack Performance (Rmax) 1,026 TFlop/s
Theoretical Peak (Rpeak) 1,375.78 TFlop/s
Nmax 2,236,927
Power Consumption
Power: 2,345.00 kW (Submitted)
Software
Operating System: Linux
List Rank System Vendor Total Cores Rmax (TFlops) Rpeak (TFlops) Power (kW)
06/2008 1 BladeCenter QS22/LS21 Cluster, PowerXCell 8i 3.2 Ghz / Opteron DC 1.8 GHz, Voltaire Infiniband IBM 122,400 1,026.0 1,375.8 2,345.00