“绿色”服务器的功率比例计算

E. McCune
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引用次数: 2

摘要

在用于云计算等应用程序的数据中心内实现节能的“绿色”操作需要将所消耗的功率与每个服务器实时处理的数据相匹配。除了在服务器电源方面具有高效率之外,仅在服务器实际处理数据时才消耗电源至关重要。为了以最大的能源效率运行,在服务器空闲的时候,它不需要为服务器群吸取电力。通过将功耗与逻辑速度下的实际数据处理活动相匹配,服务器群的平均功耗下降了50%或更多,而吞吐量没有减少。利用为高效无线电发射机开发的技术,描述了一种灵活的电源,能够提供严格的电压调节,并且在纳秒内仍然在断电和通电(或其他方式)之间转换,而不会发生过渡超调。有了这种纳秒级的敏捷性,它也解决了弹性计算的目标。此外,这种能量管理方法所需的电源引脚配对有助于减少电磁干扰(EMI)。处理器工作温度的比例降低提高了可靠性,同时降低了设备的冷却负荷。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Power proportional computing for “Green” servers
Achieving energy-efficient “Green” operations within data centers used for applications such as Cloud Computing requires matching the power consumed to the data processed at each server in real-time. Beyond having a high efficiency in the server power supplies, it is vitally important to only draw power when the server is actually processing data. To operate at maximum energy efficiency, in the times when a server is idle it needs to draw no power for the server farm. By matching power draw to actual data processing activity at logic speeds, the average energy draw of the server farm drops by 50% or more with no reduction in throughput. Drawing on technology developed for efficient radio transmitters, an agile power supply, able to provide tight voltage regulation and still transition between power-off and power-on (or the other way) in nanoseconds without transition overshoot is described. With this nanosecond agility, this also solves the objective for elastic computing. Additionally, the supply pin pairing required by this energy management method provides benefits toward reducing electromagnetic interference (EMI). Proportional reduction in processor operating temperature improves reliability, along with reducing facility cooling loads.
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