Appeal No. 1998-2093
Application No. 08/303,809
BACKGROUND
The invention is directed to a process for using a shared memory for transferring
data between computers in a multi-processor system. Representative claim 1 is
reproduced below.
1. A process for improving the transfer of data between computers in a multi-
processor system via a shared memory, comprising the steps of:
providing a provider computer and a consumer computer, each having a
local memory and each linked to said shared memory;
selecting data stored in the local memory of said provider computer for
transfer from the local memory of said provider computer to the shared memory;
mapping a portion of said shared memory having a known address for the
storage of said data;
communicating the address of the mapped portion to said consumer
computer prior to transferring said data;
transmitting a first signal to said provider computer that said consumer
computer is ready to receive and extract data from said shared memory;
transferring said selected data from said local memory of said provider
computer to said known address in said shared memory after said provider
computer receives said first signal;
transmitting a second signal from said provider computer to said consumer
computer that said selected data is available in said mapped portion for extraction
by said consumer computer;
accessing said selected data in said shared memory at said particular
address of said mapped portion of the shared memory with said consumer
computer after receipt of said second signal from said provider computer and
extracting said selected data from said shared memory and transferring it into the
local memory of said consumer computer; and
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