Computer system and method for pipelined transfer of data betwee

Details Computer system and method for pipelined transfer of data betwee Computer system and method for pipelined transfer of data betwee

1994-12-19

1996-11-19

Gossage, Glenn

Boots, shoes, and leggings

395476, 395477, 395495, 395496, 39520007, 39520008, 395290, 395840, 364DIG1, 364DIG2, 3642281, 3642304, 3642318, 3642448, 36493144, 36493146, 3649483, 36494831, 36494834, 3649659, G06F 1200, G06F 1300, G06F 1338

Patent

active

055772293

ABSTRACT:
A computer system and method for transferring data from a first memory to a second memory of a computer system are disclosed. The computer system includes a bus for transferring data between a first module and a second module, at least one of the modules including a shared memory having multiple ports. One port of each shared memory communicates with the bus through a pipeline which includes a plurality of registers connected in series. The pipeline allows shifting data in the registers by one register and loading data from the input of the pipeline into a first one of the registers. An access to one of the shared memories through one port is allowed to proceed simultaneously with a portion of a data transfer between the memories which includes a data transfer through another port and pipeline. The pipelines thus allow shared memories to communicate even when the memories are not simultaneously available for communication with each other.

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