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- Dynamic_frequency_scaling abstract "Dynamic frequency scaling (also known as CPU throttling) is a technique in computer architecture whereby the frequency of a microprocessor can be automatically adjusted "on the fly," either to conserve power or to reduce the amount of heat generated by the chip. Dynamic frequency scaling is commonly used in laptops and other mobile devices, where energy comes from a battery and thus is limited. It is also used in quiet computing settings and to decrease energy and cooling costs for lightly loaded machines. Less heat output, in turn, allows the system cooling fans to be throttled down or turned off, reducing noise levels and further decreasing power consumption. It is also used for reducing heat in insufficiently cooled systems when the temperature reaches a certain threshold, such as in poorly cooled overclocked systems.The dynamic power (switching power) dissipated per unit of time by a chip is C·V2·A·f, where C is the capacitance being switched per clock cycle, V is voltage, A is the Activity Factor indicating the average number of switching events undergone by the transistors in the chip and f is the switching frequency (as a unitless quantity). The voltage required for stable operation is determined by the frequency at which the circuit is clocked, and can be reduced if the frequency is also reduced. Dynamic power does not account for the total power of the chip, however, as there is also static power, which is primarily because of various leakage currents. Due to static power consumption and asymptotic execution time it has been shown that the energy consumption of a piece of software shows convex energy behavior, i.e., there exists an optimal CPU frequency at which energy consumption is minimal.Leakage current has become more and more important as transistor sizes have become smaller and threshold voltage levels lower. A decade ago, dynamic power accounted for approximately two-thirds of the total chip power. The power loss due to leakage currents in contemporary CPUs and SoCs tend to dominate the total power consumption. In the attempt to control the leakage power high-k metal-gates and power gating have been common methods.Dynamic voltage scaling is another power conservation technique that is often used in conjunction with frequency scaling, as the frequency that a chip may run at is related to the operating voltage.The efficiency of some electrical components, such as voltage regulators, decreases with increasing temperature, so the power used may increase with temperature. Since increasing power use may increase the temperature, increases in voltage or frequency may increase system power demands even further than the CMOS formula indicates, and vice versa.".
- Dynamic_frequency_scaling wikiPageID "13891512".
- Dynamic_frequency_scaling wikiPageLength "8237".
- Dynamic_frequency_scaling wikiPageOutDegree "39".
- Dynamic_frequency_scaling wikiPageRevisionID "680629427".
- Dynamic_frequency_scaling wikiPageWikiLink AMD.
- Dynamic_frequency_scaling wikiPageWikiLink AMD_K6-2.
- Dynamic_frequency_scaling wikiPageWikiLink AMD_PowerTune.
- Dynamic_frequency_scaling wikiPageWikiLink AMD_Turbo_Core.
- Dynamic_frequency_scaling wikiPageWikiLink AMD_ZeroCore_Power.
- Dynamic_frequency_scaling wikiPageWikiLink Advanced_Configuration_and_Power_Interface.
- Dynamic_frequency_scaling wikiPageWikiLink Advanced_Micro_Devices.
- Dynamic_frequency_scaling wikiPageWikiLink Asynchronous_array_of_simple_processors.
- Dynamic_frequency_scaling wikiPageWikiLink CPU_multiplier.
- Dynamic_frequency_scaling wikiPageWikiLink Capacitance.
- Dynamic_frequency_scaling wikiPageWikiLink Category:Central_processing_unit.
- Dynamic_frequency_scaling wikiPageWikiLink Category:Clock_signal.
- Dynamic_frequency_scaling wikiPageWikiLink Category:Computer_hardware_tuning.
- Dynamic_frequency_scaling wikiPageWikiLink Category:Energy_conservation.
- Dynamic_frequency_scaling wikiPageWikiLink Category:Power_Architecture.
- Dynamic_frequency_scaling wikiPageWikiLink Clock_rate.
- Dynamic_frequency_scaling wikiPageWikiLink Computer_architecture.
- Dynamic_frequency_scaling wikiPageWikiLink CoolnQuiet.
- Dynamic_frequency_scaling wikiPageWikiLink Dynamic_voltage_scaling.
- Dynamic_frequency_scaling wikiPageWikiLink Front-side_bus.
- Dynamic_frequency_scaling wikiPageWikiLink Front_Side_Bus.
- Dynamic_frequency_scaling wikiPageWikiLink Graphics_Core_Next.
- Dynamic_frequency_scaling wikiPageWikiLink Graphics_processing_unit.
- Dynamic_frequency_scaling wikiPageWikiLink Intel.
- Dynamic_frequency_scaling wikiPageWikiLink Intel_Turbo_Boost.
- Dynamic_frequency_scaling wikiPageWikiLink LongHaul.
- Dynamic_frequency_scaling wikiPageWikiLink LongRun.
- Dynamic_frequency_scaling wikiPageWikiLink Overclock.
- Dynamic_frequency_scaling wikiPageWikiLink Overclocking.
- Dynamic_frequency_scaling wikiPageWikiLink PowerNow!.
- Dynamic_frequency_scaling wikiPageWikiLink Power_management.
- Dynamic_frequency_scaling wikiPageWikiLink Quiet_PC.
- Dynamic_frequency_scaling wikiPageWikiLink SpeedStep.
- Dynamic_frequency_scaling wikiPageWikiLink Subthreshold_conduction.
- Dynamic_frequency_scaling wikiPageWikiLink Subthreshold_leakage.
- Dynamic_frequency_scaling wikiPageWikiLink Transmeta.
- Dynamic_frequency_scaling wikiPageWikiLink VIA_Technologies.
- Dynamic_frequency_scaling wikiPageWikiLink Voltage.
- Dynamic_frequency_scaling wikiPageWikiLinkText "CPU throttling".
- Dynamic_frequency_scaling wikiPageWikiLinkText "Dynamic frequency scaling".
- Dynamic_frequency_scaling wikiPageWikiLinkText "adjust the clock speed".
- Dynamic_frequency_scaling wikiPageWikiLinkText "clock frequency".
- Dynamic_frequency_scaling wikiPageWikiLinkText "dynamic clock adjustments".
- Dynamic_frequency_scaling wikiPageWikiLinkText "dynamic frequency scaling".
- Dynamic_frequency_scaling wikiPageWikiLinkText "dynamic speed scaling processors".
- Dynamic_frequency_scaling wikiPageWikiLinkText "frequency scaling".
- Dynamic_frequency_scaling hasPhotoCollection Dynamic_frequency_scaling.
- Dynamic_frequency_scaling wikiPageUsesTemplate Template:CPU_technologies.
- Dynamic_frequency_scaling wikiPageUsesTemplate Template:Computer_processor_power_management_technologies.
- Dynamic_frequency_scaling wikiPageUsesTemplate Template:For.
- Dynamic_frequency_scaling wikiPageUsesTemplate Template:Reflist.
- Dynamic_frequency_scaling wikiPageUsesTemplate Template:Use_dmy_dates.
- Dynamic_frequency_scaling subject Category:Central_processing_unit.
- Dynamic_frequency_scaling subject Category:Clock_signal.
- Dynamic_frequency_scaling subject Category:Computer_hardware_tuning.
- Dynamic_frequency_scaling subject Category:Energy_conservation.
- Dynamic_frequency_scaling subject Category:Power_Architecture.
- Dynamic_frequency_scaling hypernym Technique.
- Dynamic_frequency_scaling type Article.
- Dynamic_frequency_scaling type Software.
- Dynamic_frequency_scaling type Article.
- Dynamic_frequency_scaling type Technology.
- Dynamic_frequency_scaling comment "Dynamic frequency scaling (also known as CPU throttling) is a technique in computer architecture whereby the frequency of a microprocessor can be automatically adjusted "on the fly," either to conserve power or to reduce the amount of heat generated by the chip. Dynamic frequency scaling is commonly used in laptops and other mobile devices, where energy comes from a battery and thus is limited.".
- Dynamic_frequency_scaling label "Dynamic frequency scaling".
- Dynamic_frequency_scaling sameAs 동적_주파수_스케일링.
- Dynamic_frequency_scaling sameAs m.03cmd33.
- Dynamic_frequency_scaling sameAs Дросселирование_тактов.
- Dynamic_frequency_scaling sameAs Динамичко_скалирање_учестаности.
- Dynamic_frequency_scaling sameAs Q2027240.
- Dynamic_frequency_scaling sameAs Q2027240.
- Dynamic_frequency_scaling sameAs 动态时钟频率调整.
- Dynamic_frequency_scaling wasDerivedFrom Dynamic_frequency_scaling?oldid=680629427.
- Dynamic_frequency_scaling isPrimaryTopicOf Dynamic_frequency_scaling.