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A Study of Backoff Barrier Synchronization

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Author(s)
Cherian, Mathews Malieakkal
Advisor(s)
Agarwal, Anant
Stone, Harold
Date Issued
June 1989
Series/Report no.
MIT-LCS-TR-452
Abstract
Shared-memory multiprocessors commonly use shared variables for synchronization. Simulations of real parallel applications show that large-scale cache-coherent multiprocessors suffer significant amounts of invalidation traffic due to synchronization. Large multiprocessors that do not cache synchronization variables are often more severely impacted.
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