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

From: yodaiken@fsmlabs.com
Date: Thu Aug 24 2000 - 12:28:42 EST


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?

-- 
---------------------------------------------------------
Victor Yodaiken 
Finite State Machine Labs: The RTLinux Company.
 www.fsmlabs.com  www.rtlinux.com

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