A Cache Technique for Synchronization Variables in Highly Parallel Shared Memor
A Cache Technique for Synchronization Variables in Highly Parallel Shared Memor
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In our eReader you can find the full English version of the book. Read A Cache Technique for Synchronization Variables in Highly Parallel Shared Memor Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book A Cache Technique for Synchronization Variables in Highly Parallel Shared Memor
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Semaphore algorithms The implementation of both binary and counting semaphores utilize the test-modify-retest method [GoLR83]: Ultracompnter Note #151 Page g (1) The invoking process polls the synchronization variable (semaphore) in a tight loop (test).
(2) After (1) is successful, the synchronization operation is invoked upon the semaphore (modi- fy)- (3) The return value from (2) is checked and if it indicates an failure to obtain the semaphore, the program branches back to (1) (retest).
The ...only functional differences between the original algorithms and our enhanced versions are: • the fact that processes engaged in (1) are polling variables from their caches.
• when a process does a v, that procedure includes an UpdateAll request which results in allowing all polling processes to break out of their loops.
The original versions of these algorithms are known to guarantee mutual exclusion. Further- more, since we have not modified the modify or retest portion of the algorithm in any way, it is rea- sonable to believe that our enhanced algorithms retain these properties provided the cache polling in test does not lead to deadlock.
What to read after A Cache Technique for Synchronization Variables in Highly Parallel Shared Memor?
You can find similar books in the "Read Also" column, or choose other free books by Wayne Berke to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Semaphore algorithms The implementation of both binary and counting semaphores utilize the test-modify-retest method [GoLR83]: Ultracompnter Note #151 Page g (1) The invoking process polls the synchronization variable (semaphore) in a tight loop (test).
(2) After (1) is successful, the synchronization operation is invoked upon the semaphore (modi- fy)- (3) The return value from (2) is checked and if it indicates an failure to obtain the semaphore, the program branches back to (1) (retest).
The ...only functional differences between the original algorithms and our enhanced versions are: • the fact that processes engaged in (1) are polling variables from their caches.
• when a process does a v, that procedure includes an UpdateAll request which results in allowing all polling processes to break out of their loops.
The original versions of these algorithms are known to guarantee mutual exclusion. Further- more, since we have not modified the modify or retest portion of the algorithm in any way, it is rea- sonable to believe that our enhanced algorithms retain these properties provided the cache polling in test does not lead to deadlock.
What to read after A Cache Technique for Synchronization Variables in Highly Parallel Shared Memor?
You can find similar books in the "Read Also" column, or choose other free books by Wayne Berke to read onlineMoreLess
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