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Data center energy saving method based on central processing unit (CPU) dynamic frequency modulation technology

A dynamic frequency modulation and data center technology, applied in the information field, can solve the problem of simplification of placement targets

Active Publication Date: 2014-01-01
BEIJING JIAOTONG UNIV
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Problems solved by technology

Simplification of prior art placement targets

Method used

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  • Data center energy saving method based on central processing unit (CPU) dynamic frequency modulation technology
  • Data center energy saving method based on central processing unit (CPU) dynamic frequency modulation technology
  • Data center energy saving method based on central processing unit (CPU) dynamic frequency modulation technology

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Embodiment Construction

[0096] The present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0097] A data center energy-saving method based on CPU dynamic frequency adjustment technology, the method includes two stages of virtual machine initial placement and dynamic management.

[0098] The initial placement stage of the virtual machine includes the following technical parameters

[0099] (1) The energy consumption of a single physical node is expressed as

[0100] f energy =c+k*f 3 * u cpu -----------------------(1)

[0101] f energy Represents the instantaneous power of the physical machine, where c represents the static energy consumption of the physical machine; f is the CPU frequency, u CPU is the CPU utilization rate, and k is a coefficient, which mean...

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Abstract

The invention relates to a data center energy saving method based on a central processing unit (CPU) dynamic frequency modulation technology. The method includes two stages of initialization arrangement and dynamic management of a virtual machine. The method is different from methods in the prior art, a virtual machine arrangement technology used by energy saving of a data center is divided into the two stages of initialization arrangement and dynamic management. The initialization arrangement is applicable to the occasions of operation beginning and regular integral adjustment of the data center. The adopted method achieves the overall effect and the long-term effect due to time permission. The dynamic management is used for local management or moving facing different tasks during data center operation. The adopted method relates to local resource and ensures real-time performance.

Description

technical field [0001] The invention belongs to the field of information technology, and in particular relates to a data center energy-saving method based on CPU dynamic frequency modulation technology. Background technique [0002] In recent years, cloud computing has become a hotspot in the research and application of computing models. Various cloud computing products facilitate network applications, such as Amazon EC2, Google AppEngine, etc. With the vigorous development of cloud data centers and the active deployment of various commercial clouds, the rapid growth and diversification of demand makes data centers larger and more complex. According to statistics, the number of servers owned by Google, Microsoft, auction sites eBay, Yahoo, Facebook, Amazon, etc. is in the hundreds of thousands. In 2009, the total number of various data centers and computer rooms in my country reached 519,990, and more than 70% of servers were installed and operated in data centers. Intern...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/50G06F9/455
CPCY02B60/142Y02B60/167Y02B60/146Y02D10/00
Inventor 刘真向勇潮
Owner BEIJING JIAOTONG UNIV
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