System and method for virtualization of processor resources

G - Physics – 06 – F

Patent

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G06F 12/10 (2006.01) G06F 12/02 (2006.01)

Patent

CA 2577865

In a system and method for virtualization of processor resources, a thread is created on a processor and the processor's local memory is mapped into an effective address space. In doing so, the processor's local memory is accessible by other processors, regardless of whether the processor is running. Additional threads create additional local memory mappings into the effective address space. The effective address space corresponds to either a physical local memory or a "soft" copy area. When the processor is running, a different processor may access data that is located in the first processor's local memory from the processor's local storage area. When the processor is not running, a softcopy of the processor's local memory is stored in a memory location (i.e. locked cache memory, pinned system memory, virtual memory, etc.) for other processors to continue accessing.

L'invention concerne un système et un procédé destinés à la virtualisation de ressources processeur, dans lesquels un lien est créé sur un processeur et la mémoire locale du processeurs est mappée dans un espace adressable efficace. Ainsi, la mémoire locale du processeur est accessible à d'autres processeurs, que le processeur soit sollicité ou non. D'autres liens créent des mappages de mémoire locale supplémentaires dans l'espace adressable efficace. Cet espace adressable efficace correspond à une mémoire locale physique ou à une zone de copie <= électronique >=. Lorsque le processeur est sollicité, un autre processeur peut accéder aux données situées dans la mémoire locale du premier processeur à partir de la zone de stockage locale du processeur. Lorsque le processeur n'est pas sollicité, une copie électronique de la mémoire locale du processeur est stockée dans un emplacement de mémoire (c'est-à-dire une mémoire cache verrouillée, une mémoire système codée, une mémoire virtuelle, etc.) pour que d'autres processeurs puissent y accéder.

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