IBM uses SPECint to benchmark system energy efficiency

How should systems energy efficiency be compared?  IBM uses the Standard Performance Evaluation Corporation‘s SPECint rate 2006 measure in performance per watt, which is calculated by dividing the performance from the tables on the Dare to Compare Performance webpage by the recommended maximum power usage for site planning.  …

…   “As this data below shows, using the SPECint_Rate2006 benchmark from SPEC.org, Power Systems are more energy efficient than the HP and Sun systems at each system level. The comparisons for the POWER7 processor based systems are particularly impressive.”   …

via IBM: Power Systems efficiency.

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