| From: | "Robert E(dot) Bruccoleri" <bruc(at)stone(dot)congenomics(dot)com> |
|---|---|
| To: | lamigo(at)atc(dot)unican(dot)es (Luis Alberto Amigo Navarro) |
| Cc: | bruc(at)acm(dot)org, tgl(at)sss(dot)pgh(dot)pa(dot)us, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Question about LWLockAcquire's use of semaphores instead of spinlocks |
| Date: | 2002-07-29 00:48:01 |
| Message-ID: | 200207290048.UAA39676@stone.congenomics.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Dear Luis,
I would be very interested. Replacing the IPC shared memory
with an arena make a lot of sense. --Bob
>
> Hi Bob:
> We're have been working with an sproc version of postgres and it has improve
> performance over a NUMA3 origin 3000 due to IRIX implements round_robin by
> default on memory placement instead of first touch as it did on fork. We're
> been wondering about replacing IPC shmem with a shared arena to help
> performance improve on IRIX. I dont´know if people here in postgres are
> interested on specifical ports but it could help you improve your
> performance.
> Regards
+-----------------------------+------------------------------------+
| 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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