Amin, Turocy & Watson, LLP
Control system, control method, and computer program product
According to an embodiment, a control system includes a processing device; a main storage device to store the data; a cache memory to store part of the data stored; a prefetch unit to predict data highly likely to be accessed and execute prefetch, reading out data in advance onto the cache memory; and a power supply unit. The system further includes: a detecting unit to detect whether the processing device is in an idle state; a determining unit that determines whether to stop the supply of power to the cache memory in accordance with the state of the prefetch when determined as idle state; and a power supply control unit that controls the power supply unit so as to stop the supply of power, or controls the power supply unit so as to continue the supply of power.
Kabushiki Kaisha Toshiba
G Y G Y G
G06F Y02D G06F Y02D G06F
inventional additional inventional additional additional
Tatsunori Akihiro Yusuke Koichi Haruhiko Masaya Satoshi Hiroyoshi Junichi Tetsuro
Kanai Shibata Shirota Fujisaki Toyama Tarui Shirai Haruki Segawa Kimura