Main criteria of parallel
processing
PARALLEL PROCESSING
A parallel processing system is able to performconcurrent data processing to achieve faster execution
time
The system may have two or more ALUs and beable to
execute two or more instructions at thesame time
A computer
employing parallel processing isalso called parallel computer.
Parallel processing classification
ü Single instruction stream, single data stream
±SISD
ü Single instruction stream, multiple data
stream ±SIMD
ü Multiple instruction stream, single data
stream ±MISD
ü Multiple instruction stream, multiple data
stream ±MIMD
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