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Advances, Systems and Applications

Table 2 Values of δ based on Frequency and Number of 100% Loaded Cores

From: Cloud computing and its interest in saving energy: the use case of a private cloud

Processor type F[GHz] Voltage δ
    2 cores 3 cores 4 cores
Intel Xeon quad-core E5540 2.0 1.104 0.94 0.93 0.92
2.5 1.104 0.70 0.71 0.70
  1. The values of the reduction factor δfor different frequencies of Intel quad-core processor. The reduction factor also changes based on fully loaded cores.