Scheduler reducing cache failures after check points in a comput

Details Scheduler reducing cache failures after check points in a comput Scheduler reducing cache failures after check points in a comput

1997-06-03

1999-10-19

Vu, Viet D.

Electrical computers and digital processing systems: processing

Processing control

Context preserving (e.g., context swapping, checkpointing,...

714 15, 714 20, G06F 1114

Patent

active

059681683

ABSTRACT:
An identifier of a process, which is designed in advance to be executed only before a check point, is recorded on a delay process recording table, while an identifier of a process (check point process) exclusively for picking up a check point is recorded on a delay process recording table. A process queuing unit queues the process recorded on the delay process recording table to a delay executable queue, and queues the other processes to an executable queue. A process selecting unit selects and schedules one of the processes stored in the executable queue. Referring to the check point process recording table, it is determined whether the selected process is a check point process. If it is, all the processes stored in the delay executable queue are scheduled immediately before the check point process. Thus, an influence of delay in processing necessary for securing the matching of the system can be minimized.

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patent: 5574902 (1996-11-01), Josten et al.
patent: 5752268 (1998-05-01), Shimizu et al.
patent: 5787243 (1998-07-01), Stiffler

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