Method for verifying a serializing function in a system includin

Details Method for verifying a serializing function in a system includin Method for verifying a serializing function in a system includin

1990-05-30

1993-05-11

Beausoliel, Robert W.

Boots, shoes, and leggings

395375, 3642429, 3642661, 364269, 364712, 364DIG1, 36493148, 3649503, 3649446, 364DIG2, G06F 1100

Patent

active

052108619

ABSTRACT:
A method for verifying a serializing function in a system including a plurality of processors and a test system including processors for verifying the serializing function. Each processor executes a verifying processing including the steps of: synchronizing an execution status of its own processor with an execution status of another processor; delaying an initiation of a next execution for a predetermined changeable period; issuing and executing a serializing instruction indicating a set of data read and write processings; and verifying whether the serializing instruction is normally executed or not. By controlling a timing of the execution of the serializing instruction at random between each processor, it is possible to verify normality of the serializing function satisfactorily and in a short time, while specifying whether cause for a fault occurring in the entire system is due to the serializing function or not.

REFERENCES:
patent: 4063220 (1977-12-01), Metcalfe
patent: 4975833 (1990-12-01), Jinzaki

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