| From: | Igor Kovalenko <Igor(dot)Kovalenko(at)motorola(dot)com> |
|---|---|
| To: | bruc(at)acm(dot)org |
| Cc: | lamigo(at)atc(dot)unican(dot)es, 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 22:18:57 |
| Message-ID: | 3C990AD1.F81DB829@motorola.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
I am confused to hell. I always thought MIPS does NOT have TAS
instruction ;)
"Robert E. Bruccoleri" wrote:
>
> 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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