DragonFly BSD
DragonFly users List (threaded) for 2005-03
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Re: Fwd: Re: Differences between constructive and destructivecriticism


From: Chris Pressey <cpressey@xxxxxxxxxxxxxxx>
Date: Sat, 12 Mar 2005 15:20:23 -0800

On Sat, 12 Mar 2005 18:08:05 -0500
EM1897@xxxxxxx wrote:

> In a message dated 3/12/2005 4:02:33 PM Eastern Standard Time, Chris
> Pressey <cpressey@xxxxxxxxxxxxxxx> writes:
> 
> >On Sat, 12 Mar 2005 14:02:26 -0500
> >EM1897@xxxxxxx wrote:
> >
> >> > Chris Pressey babbled:
> >> 
> >> >On Sat, 12 Mar 2005 13:20:20> EM1897@xxxxxxx wrote:
> >> >
> >> >> The purpose of an O/S is to utilize hardware. If you think
> >> >> that hardware is irrelevant, then you really aren't paying
> >> >> attention. The entire point of FreeBSD 5 and dragonfly is
> >> >> that uniprocessor has hit a wall, and the freebsd 4.x
> >> >> design is not multiprocessor friendly, so it needs to be
> >> >> redesigned to utilize multi-core, MP architectures. Its
> >> >> always about performance, and the hardware available is
> >> >> the entire point.
> >> >
> >> >How do you reconcile this with your earlier, clearly non-MP view?
> >> >
> >> >"If you learn to read english you'll know that uniprocessor is a
> >> >basic premise."
> >> 
> >> There are currently no MP O/S implementations that run faster
> >> than FreeBSD 4.x on a uniprocessor system, so thats what
> >> I use. There is no point in investing in expensive hardware
> >> that is slower than a uniprocessor solution.
> >
> >Wait - so if UP is still faster than MP, how can it have possibly
> >"hit a wall"?
> 
> Is that a trick question? Surely you're not serious?

No trick; I honestly have a hard time following you.  Please explain?

> You know Chris, I listen to politicians complaining about 
> the disparity between the rich and the poor, and then I 
> encounter someone like you who apparently has no ability
> to grasp even the simplist of concepts, and I'm amazed that
> someone like you can even get a job at all, much less 
> compete with competent technical people. 

Please understand that I'm an application programmer at heart.  (Which
may help explain why I work on the installer and not on the kernel.)

-Chris



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