Data transfer method for logical computers

Details Data transfer method for logical computers Data transfer method for logical computers

1998-05-01

2000-11-07

An, Meng-Ai T.

Electrical computers and digital processing systems: multicomput

Multicomputer data transferring via shared memory

709 6, G06F 1580

Patent

active

061449954

ABSTRACT:
A data transfer method for a computer system in which a computer is logically divided into a plurality of logical processing units and a logical coupling unit. A correspondence between a start of physical addresses of a memory of each logical processing units in a memory of the computer is stored in advance. If a first logical processing unit issues a write command to the logical coupling unit by designating a logical address of data, the logical coupling unit stores an identifier and the logical address of the first logical processing unit. If a second logical processing unit issues a read command of the data, a physical address of data storage corresponding to the logical address of the first logical processing unit is calculated in accordance with the identifier and the logical address of the first logical processing unit and the address correspondence. The data is read by using the calculated physical address.

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