Patent ID: 9021243
Filing Date: 2015-04-28
Classification: G06F

Abstract:
1. A method for reducing boot time comprising the steps of: starting, by use of a processor, a boot of a computer with an operating system capable of reading ahead a boot file into a cache area set in a free memory area of a main memory and changing a size of the cache area according to a size of the free memory area; generating processes for loading the boot file into the main memory; allocating working sets having a predetermined size to the generated processes by the operating system; suspending a predetermined process selected out of the processes for loading the boot file; swapping out a memory page of the suspended predetermined process to decrease a size of a working set for the process, wherein the decreased working set size is a minimum working set size set by default to each process by the operating system; and increasing the size of the cache area according to the decreased working set size.