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Cubic

Contains a server power model definition.

CubicServerPowerModel

Server power model proposed in [1], which assumes a cubic correlation between a server's power consumption and demand.

[1] Anton Beloglazov, and Rajkumar Buyya, "Optimal Online Deterministic Algorithms and Adaptive Heuristics for Energy and Performance Efficient Dynamic Consolidation of Virtual Machines in Cloud Data Centers", Concurrency and Computation: Practice and Experience (CCPE), Volume 24, Issue 13, Pages: 1397-1420, John Wiley & Sons, Ltd, New York, USA, 2012

Source code in edge_sim_py/components/power_models/servers/cubic_server_power_model.py 
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class CubicServerPowerModel:
    """Server power model proposed in [1], which assumes a cubic correlation between a server's power consumption and demand.

    [1] Anton Beloglazov, and Rajkumar Buyya, "Optimal Online Deterministic Algorithms and Adaptive Heuristics for Energy and
    Performance Efficient Dynamic Consolidation of Virtual Machines in Cloud Data Centers", Concurrency and Computation: Practice
    and Experience (CCPE), Volume 24, Issue 13, Pages: 1397-1420, John Wiley & Sons, Ltd, New York, USA, 2012
    """

    @classmethod
    def get_power_consumption(cls, device: object) -> float:
        """Gets the power consumption of a server.

        Args:
            device (object): Server whose power consumption will be computed.

        Returns:
            power_consumption (float): Server's power consumption.
        """
        if device.active:
            static_power = (
                device.power_model_parameters["static_power_percentage"] * device.power_model_parameters["max_power_consumption"]
            )
            constant = (device.power_model_parameters["max_power_consumption"] - static_power) / 100

            demand = device.cpu_demand
            capacity = device.cpu
            utilization = demand / capacity

            power_consumption = static_power + constant * (utilization * 100) ** 3
        else:
            power_consumption = 0

        return power_consumption

get_power_consumption(device) classmethod

Gets the power consumption of a server.

Parameters:

Name Type Description Default
device object

Server whose power consumption will be computed.

 required

Returns:

Name Type Description
power_consumption float

Server's power consumption.
Source code in edge_sim_py/components/power_models/servers/cubic_server_power_model.py 
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@classmethod
def get_power_consumption(cls, device: object) -> float:
    """Gets the power consumption of a server.

    Args:
        device (object): Server whose power consumption will be computed.

    Returns:
        power_consumption (float): Server's power consumption.
    """
    if device.active:
        static_power = (
            device.power_model_parameters["static_power_percentage"] * device.power_model_parameters["max_power_consumption"]
        )
        constant = (device.power_model_parameters["max_power_consumption"] - static_power) / 100

        demand = device.cpu_demand
        capacity = device.cpu
        utilization = demand / capacity

        power_consumption = static_power + constant * (utilization * 100) ** 3
    else:
        power_consumption = 0

    return power_consumption