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Question about LWLockAcquire's use of semaphores instead of spinlocks - Mailing list pgsql-hackers

From Robert E. Bruccoleri
Subject Question about LWLockAcquire's use of semaphores instead of spinlocks
Date
Msg-id 200207270146.VAA27842@stone.congenomics.com
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Responses Re: Question about LWLockAcquire's use of semaphores instead of spinlocks  (Tom Lane <tgl@sss.pgh.pa.us>)
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On SGI multiprocessor machines, I suspect that a spinlock
implementation of LWLockAcquire would give better performance than
using IPC semaphores.  Is there any specific reason that a spinlock
could not be used in this context?

+-----------------------------+------------------------------------+
| Robert E. Bruccoleri, Ph.D. | email: bruc@acm.org                |
| P.O. Box 314                | URL:   http://www.congen.com/~bruc |
| Pennington, NJ 08534        |                                    |
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