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Glossary
recurrence
Occurs when a loop uses values computed in one iteration in subsequent iterations.
These subsequent uses of the value imply loop-carried dependences and thus usually
prevent parallelization. To increase parallelization, use linear recurrences.
reduction
A simple form of recurrence that reduces a large amount of data to a single value. It is
commonly used to find the minimum and maximum elements of a vector. Although
similar to a recurrence, it is easier to parallelize and uses less memory.
region
An area in code where threads are forked in order to perform a parallel operation.
The region ends at the point where the threads join back together at the end of the
parallel operation.
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