An information processing device is provided. A pressure line consisting of a tube and a connection piece inseparably connected pressure-tight to the tube be arranged between the hydraulic control device and a feeding bore of the gearbox cover arranged parallel to the shaft. Flow characteristics of the virtualized cluster system are detected at a regular time cycle, then a power-efficiency management policy is generated for each of the at least one back-end physical host based on the detected flow characteristics, and finally the power-efficiency management policies are performed. In some cases, a layer of a second, different semiconductor material may be heteroepitaxially grown over the handle wafersubstrate to fill areas around the transferred islands. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.