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PERFORMANCE OF A SEQUENTIAL PROCESSOR
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Elementary Processor Architecture
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Thus, the execution of every instruction follows the sequence
(although not every stage is active in processing every kind of instruction)
In a straightforward, sequential implementation, some instructions can be completed in less than five steps, by skipping inactive stages
The PC is written in the MEM stage
The registers are written in the WB stage
Backward arrows cause trouble later...
Paul H J Kelly Mon Nov 17 01:29:59 GMT 1997