Memory management in a computer system using different...

G - Physics – 06 – F

Patent

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G06F 9/50 (2006.01)

Patent

CA 2547078

A method of controlling memory allocation in a computer system (1) comprising physical memory (3), at least one storage device (7, 9, 10) and at least one processing unit (2) and arranged to implement virtual memory, which computer system is capable of enabling at least two processes associated with respective instances (14, 17) of application programs to be running, only one active process being enabled to receive input from a user at any one time, comprises selecting at least one of the processes to be at least partially transferred from physical memory (3) to a storage device (7, 9, 10). Processes are selected by monitoring which processes have been inactive for longer than a pre-determined time interval.

Cette invention se rapporte à un procédé permettant de commander l'attribution de mémoire dans un système informatique comprenant une mémoire physique (3), au moins un dispositif de stockage (7, 9, 10) et au moins une unité de traitement (2) et conçu pour mettre en oeuvre une mémoire virtuelle. Ce système informatique est capable de permettre à au moins deux processus associés à des instances respectives (14, 17) de programmes d'application de se dérouler, un seul processus actif étant autorisé à recevoir une entrée de la part d'une utilisateur à tout moment. Ce procédé consiste ainsi à sélectionner au moins l'un des processus pour qu'il soit au moins partiellement transféré de la mémoire physique (3) vers un dispositif de stockage (7, 9, 10). On sélectionne des processus en surveillant lesquels ont été inactifs pendant une période plus longue qu'un intervalle prédéterminé.

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