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  2. Performance per watt - Wikipedia

    en.wikipedia.org/wiki/Performance_per_watt

    The power measurement is often the average power used while running the benchmark, but other measures of power usage may be employed (e.g. peak power, idle power). For example, the early UNIVAC I computer performed approximately 0.015 operations per watt-second (performing 1,905 operations per second (OPS), while consuming 125 kW).

  3. Processor power dissipation - Wikipedia

    en.wikipedia.org/wiki/Processor_power_dissipation

    Processor manufacturers usually release two power consumption numbers for a CPU: typical thermal power, which is measured under normal load (for instance, AMD's average CPU power) maximum thermal power, which is measured under a worst-case load; For example, the Pentium 4 2.8 GHz has a 68.4 W typical thermal power and 85 W maximum thermal power.

  4. PowerTOP - Wikipedia

    en.wikipedia.org/wiki/PowerTOP

    PowerTOP is a software utility designed to measure, explain and minimise a computer's electrical power consumption. [1] It was released by Intel in 2007 under the GPLv 2 license. It works for Intel , AMD , ARM and UltraSPARC processors.

  5. Run-time estimation of system and sub-system level power ...

    en.wikipedia.org/wiki/Run-time_estimation_of...

    Electronic systems’ power consumption has been a real challenge for Hardware and Software designers as well as users especially in portable devices like cell phones and laptop computers. Power consumption also has been an issue for many industries that use computer systems heavily such as Internet service providers using servers or companies ...

  6. Energy proportional computing - Wikipedia

    en.wikipedia.org/wiki/Energy_proportional_computing

    In computing, energy proportionality is a measure of the relationship between power consumed in a computer system, and the rate at which useful work is done (its utilization, which is one measure of performance). If the overall power consumption is proportional to the computer's utilization, then the machine is said to be energy proportional. [1]

  7. Thermal design power - Wikipedia

    en.wikipedia.org/wiki/Thermal_design_power

    The average CPU power (ACP) is the power consumption of central processing units, especially server processors, under "average" daily usage as defined by Advanced Micro Devices (AMD) for use in its line of processors based on the K10 microarchitecture (Opteron 8300 and 2300 series processors). Intel's thermal design power (TDP), used for ...

  8. Computer performance - Wikipedia

    en.wikipedia.org/wiki/Computer_performance

    In computing, computer performance is the amount of useful work accomplished by a computer system. Outside of specific contexts, computer performance is estimated in terms of accuracy, efficiency and speed of executing computer program instructions. When it comes to high computer performance, one or more of the following factors might be involved:

  9. Power usage effectiveness - Wikipedia

    en.wikipedia.org/wiki/Power_usage_effectiveness

    Although it is named "power usage effectiveness", it actually measures the energy use of the data centre. [10] The PUE metric has several important benefits. First, the calculation can be repeated over time, allowing a company to view their efficiency changes historically, or during time-limited events like seasonal changes.