Top 500 supercomputers: Welcome to the petaflop generation

Roadrunner is also one of the most energy efficient systems on the Top500

With this survey, its 31st since 1993, the Top500 began measuring computer efficiency as well. The Top500 most energy efficient supercomputers are:

  • IBM QS22 Cell processor blades (up to 488 Mflop/s/Watt)

  • IBM BlueGene/P systems (up to 376 Mflop/s/Watt)

  • Intel Harpertown quad-core blades are catching up fast

  • IBM BladeCenter HS21with low-power processors (up to 265 Mflop/s/Watt)

  • SGI Altix ICE 8200EX Xeon quad-core nodes, (up to 240 Mflop/s/Watt)

  • Hewlett-Packard Cluster Platform 3000 BL2x220 with double density blades (up to 227 Mflop/s/Watt)

  • These systems are already ahead of BlueGene/L (up to 210 Mflop/s/Watt).

  • The average power consumption of a Top10 system is 1.32 Mwatt and average power efficiency is 248 Mflop/s/Watt.

  • The average power consumption of a Top50 system is 908 Kwatt and average power efficiency is 193 Mflop/s/Watt.

  • The average Power consumption of a Top500 system is 257 Mwatt and average power efficiency is 122 Mflop/s/Watt.

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