Broadcasting shared variable directory (SVD) information in a parallel computer

Methods, parallel computers, and computer program products for broadcasting shared variable directory (SVD) information in a parallel computer are provided. Embodiments include a runtime optimizer detecting, by a runtime optimizer of the parallel computer, a change in SVD information within an SVD a...

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Main Authors ARCHER CHARLES J, CAREY JAMES E, SANDERS PHILIP J, SMITH BRIAN E
Format Patent
LanguageEnglish
Published 14.06.2016
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Abstract Methods, parallel computers, and computer program products for broadcasting shared variable directory (SVD) information in a parallel computer are provided. Embodiments include a runtime optimizer detecting, by a runtime optimizer of the parallel computer, a change in SVD information within an SVD associated with a first thread. Embodiments also include a runtime optimizer identifying a plurality of threads requiring notification of the change in the SVD information. Embodiments also include the runtime optimizer in response to detecting the change in the SVD information, broadcasting to each thread of the identified plurality of threads, a broadcast message header and update data indicating the change in the SVD information.
AbstractList Methods, parallel computers, and computer program products for broadcasting shared variable directory (SVD) information in a parallel computer are provided. Embodiments include a runtime optimizer detecting, by a runtime optimizer of the parallel computer, a change in SVD information within an SVD associated with a first thread. Embodiments also include a runtime optimizer identifying a plurality of threads requiring notification of the change in the SVD information. Embodiments also include the runtime optimizer in response to detecting the change in the SVD information, broadcasting to each thread of the identified plurality of threads, a broadcast message header and update data indicating the change in the SVD information.
Author SMITH BRIAN E
ARCHER CHARLES J
CAREY JAMES E
SANDERS PHILIP J
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Snippet Methods, parallel computers, and computer program products for broadcasting shared variable directory (SVD) information in a parallel computer are provided....
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SubjectTerms CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
Title Broadcasting shared variable directory (SVD) information in a parallel computer
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