From: | "Robert E(dot) Bruccoleri" <bruc(at)stone(dot)congenomics(dot)com> |
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To: | Igor(dot)Kovalenko(at)motorola(dot)com (Igor Kovalenko) |
Cc: | lamigo(at)atc(dot)unican(dot)es, bruc(at)acm(dot)org, tgl(at)sss(dot)pgh(dot)pa(dot)us, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Fw: Fw: bad performance on irix |
Date: | 2002-03-20 21:52:57 |
Message-ID: | 200203202152.QAA30172@stone.congenomics.com |
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Lists: | pgsql-hackers |
Dear Igor,
Igor Kovalenko writes:
> Makes me wonder... perhaps now someone will be convinced to take a look
> at the POSIX IPC patch. On some platforms (not on Linux I am afraid)
> POSIX mutexes might be quite a bit faster than SYSV semaphores.
Yes, but on the SGI platform, the MIPS test_and_set instructions are
really fast and should be used.
+-----------------------------+------------------------------------+
| Robert E. Bruccoleri, Ph.D. | email: bruc(at)acm(dot)org |
| P.O. Box 314 | URL: http://www.congen.com/~bruc |
| Pennington, NJ 08534 | |
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