| From: | Shridhar Daithankar <shridhar_daithankar(at)persistent(dot)co(dot)in> |
|---|---|
| To: | Postgres-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Threads |
| Date: | 2003-01-23 15:30:01 |
| Message-ID: | 200301232100.01698.shridhar_daithankar@persistent.co.in |
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| Lists: | pgsql-hackers |
On Thursday 23 January 2003 08:42 pm, you wrote:
> On Sat, 4 Jan 2003, Christopher Kings-Lynne wrote:
> > Also remember that in even well developed OS's like FreeBSD, all a
> > process's threads will execute only on one CPU.
>
> I doubt that - it certainly isn't the case on Linux and Solaris.
> A thread may *start* execution on the same CPU as it's parent, but
> native threads are not likely to be constrained to a specific CPU
> with an SMP OS.
I am told that linuxthreads port available on freeBSD uses rfork and is
capable of using multiple CPUs within a single process.
Native freeBSD threads can not do that. Need to check that with freeBSD5.0.
Shridhar
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