In recent years, green computing topic has being became an important topic in
the domain of the research. The increase in computing power of the computing
platforms is increased the energy consumption and the carbon dioxide emissions.
In recent years, green computing topic has being became an important topic in
the domain of the research. The increase in computing power of the computing
platforms is increased the energy consumption and the carbon dioxide emissions.
a CPU may increase the execution time of an application running on that
processor. Therefore, the frequency that gives the best trade-off between
the energy consumption and the performance of an application must be selected.
a CPU may increase the execution time of an application running on that
processor. Therefore, the frequency that gives the best trade-off between
the energy consumption and the performance of an application must be selected.
In this paper, a new online frequency selecting algorithm for heterogeneous
grid (heterogeneous CPUs) is presented. It selects the frequencies and tries to give the best
trade-off between energy saving and performance degradation, for each node
In this paper, a new online frequency selecting algorithm for heterogeneous
grid (heterogeneous CPUs) is presented. It selects the frequencies and tries to give the best
trade-off between energy saving and performance degradation, for each node
grid. The proposed algorithm is evaluated on real testbed, grid'5000 platform, while
running the NAS parallel benchmarks. The experiments show that it reduces the
energy consumption on average up to \np[\%]{30} while declines the performance
grid. The proposed algorithm is evaluated on real testbed, grid'5000 platform, while
running the NAS parallel benchmarks. The experiments show that it reduces the
energy consumption on average up to \np[\%]{30} while declines the performance