Appeal No. 94-3596
Application No. 07/689,655
lines 29 through 36).
During normal operation of Vince’s data processing system, a
message update is stored in the data processing unit without any
suspension of operation of the data processor contained therein.
If a data processing unit has one or more outstanding update
messages, and in the interim receives an update massage from
another data processing unit, then the data processing unit with
the one or more outstanding update messages will make a local
decision to suspend operation of the data processor contained
therein. The local command in Vince to suspend operation of the
data processor contrasts with the claimed remote source command
to suspend operation of a target processor. Thus, we agree with
appellants’ argument (Brief, pages 19 through 21, and Reply
Brief, page 5) that the suspension of operation for the specified
condition in Vince is not analogous to the claimed suspension of
instruction execution in the target processor.
Figure 1C of Bomba operates as follows:
In accordance with the present invention,
therefore, the first device [50] also includes means
for selectively registering accesses of the local
memory [54] that have occurred by way of the common
communications path [68] and may thus have resulted in
caching of the local-memory contents involved in the
access. When the first device [50] uses its private
communications path [58] to write to a local-memory
[54] location that has been involved in such an access,
the first device [50] sends the invalidate command over
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