#5 Mira

Country: U.S.

Site: DOE/SC/Argonne National Laboratory

Manufacturer: IBM

Cores: 786,432

Linpack Performance (Rmax): 8,586.6 TFlop/s

Theoretical Peak (Rpeak): 10,066.3 TFlop/s

Power: 3,945.00 kW

Interconnect: Custom Interconnect

Operating System: Linux

The supercomputer was constructed by IBM for Argonne National Laboratory's Argonne Leadership Computing Facility with the support of the United States Department of Energy.Mira is used for scientific research, including studies in the fields of material science, climatology, seismology, and computational chemistry.

#4 K Computer

Country: Japan

Site: RIKEN Advanced Institute for Computational Science (AICS)

Manufacturer: Fujitsu

Cores: 705,024

Linpack Performance (Rmax): 10,510.0 TFlop/s

Theoretical Peak (Rpeak): 11,280.4 TFlop/s

Power: 12,659.89 kW

Memory: 1,410,048 GB

Interconnect: Custom Interconnect

Operating System: LinuxThe K computer – named for the Japanese word "kei" meaning 10 quadrillion and is manufactured by Fujitsu, currently installed at the RIKEN Advanced Institute for Computational Science campus in Kobe, Japan. This supercomputer does researches in the areas pertaining to disaster prevention, climate change, and meteorology.

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