✦ LIBER ✦

Termination detection in parallel loop nests with while loops

✍ Scribed by Max Geigl; Martin Griebl; Christian Lengauer

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 879 KB
Volume: 25
Category: Article
ISSN: 0167-8191
DOI: 10.1016/s0167-8191(99)00063-0

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✦ Synopsis

One central problem in the execution of parallel nested loops with non-ane bounds is the precise scanning (i.e., enumeration) of the points in their iteration space and the detection of their termination. Scanning schemes have been proposed for both shared-memory and distributed-memory implementations. However, these schemes work only for perfectly nested while loops. We propose a scheme which also works for not perfectly nested while loops on shared memory. This scheme has been incorporated in our loop parallelizer LooPo.

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