Switching multi-context processor and method overcoming pipeline

Details Switching multi-context processor and method overcoming pipeline Switching multi-context processor and method overcoming pipeline

1995-07-27

1999-02-16

Bowler, Alyssa H.

39580024, 39580025, 39580026, 39580027, 395376, 395384, 395385, 395386, 395389, 395584, 395585, 395586, G06F 1300

Patent

active

058729852

ABSTRACT:
An instruction executing section supplies an instruction of a certain context to a pipeline and executes the context. When a vacancy of the pipeline is judged, the instruction executing section switches the context to another context which is being executed, thereby simultaneously executing a plurality of contexts. An ID setting section sets a peculiar context ID to each of the plurality of contexts which are simultaneously executed by the instruction executing section. A register renaming section executes a multi-renaming such that a register name which is used when the plurality of contexts are simultaneously executed by the instruction executing section is renamed to a register name CIDi-Rj obtained by adding a designation register name Rj (j=1, 2, 3, . . . , m) of an execution instruction to CIDi as a context ID which was set by an ID setting section and whose context is being executed and the physical register is allocated.

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