Re: SCO: "thread creation is about a thousand times faster than on

From: Andi Kleen (ak@suse.de)
Date: Thu Aug 24 2000 - 13:27:39 EST


On Thu, Aug 24, 2000 at 11:28:42AM -0600, yodaiken@fsmlabs.com wrote:
> On Thu, Aug 24, 2000 at 08:14:17PM +0200, Andi Kleen wrote:
> > On Thu, Aug 24, 2000 at 09:11:48PM +0200, Alon Ziv wrote:
> > > Even better: it's even possible to 'cheat' and make _all_ threads be owned
> > > by the LinuxThreads 'manager' thread (basically, this is done by making the
> > > initial thread into the manager and switching its computation to some other
> > > thread). Which means--- just the one special thread in the whole mishmash.
> >
> > That still has the problem that you have to context switch to the
> > manager thread for creating new threads, causing horrible latency.
> >
> > You really want pthread_create() to call clone() directly, without
> > playing any pipe tricks.
>
> Right: so clone with the PARENT flag set. What's the problem?

Then your original parent would see any thread deaths. Probably not
what you wanted.

-Andi
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Thu Aug 31 2000 - 21:00:14 EST