Pipeline data processing apparatus with high speed slave store

Details Pipeline data processing apparatus with high speed slave store Pipeline data processing apparatus with high speed slave store

1974-07-12

1976-04-06

Malzahn, David H.

Communications: electrical

Digital comparator systems

G06F 906, G06F 920

Patent

active

039493792

ABSTRACT:
A stage of a pipeline data processor has a store associated with it, and when that stage requires to write data into a specified address within that store, but the data to be written is not yet available, an indication of the address is stored in a special reserved register, so as to permit subsequent accesses to the store without waiting for that data to become available. When the data eventually becomes available, it is written into the store, using the contents of the register for addressing the store. This prevents hold-ups in the pipeline and hence increases the effective rate of instruction execution.

REFERENCES:
patent: 3394353 (1968-07-01), Bloom et al.
patent: 3629853 (1971-12-01), Newton
patent: 3717850 (1973-02-01), Ghiron et al.
patent: 3736566 (1973-05-01), Anderson et al.
patent: 3840861 (1974-10-01), Amdahl et al.

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