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Date:      Mon, 3 Jul 2000 17:19:43 -0700
From:      R Joseph Wright <rjoseph@mammalia.org>
To:        Josh Paetzel <jpaetzel@hutchtel.net>
Cc:        freebsd-questions@FreeBSD.org
Subject:   Re: amd k6-2 550 vs p2 300
Message-ID:  <20000703171943.A96459@manatee.mammalia.org>
In-Reply-To: <NEBBIJCLELPGBFNNJOFHMELNCDAA.jpaetzel@hutchtel.net>; from jpaetzel@hutchtel.net on Mon, Jul 03, 2000 at 02:21:52PM -0500
References:  <3960DABE.19F14A4C@unitedtamers.com> <NEBBIJCLELPGBFNNJOFHMELNCDAA.jpaetzel@hutchtel.net>

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On Mon, Jul 03, 2000 at 02:21:52PM -0500, Josh Paetzel wrote:
> 
> 
> > -----Original Message-----
> > From: generic [mailto:generic]On Behalf Of Generic Player
> > Sent: Monday, July 03, 2000 1:26 PM
> > To: Josh Paetzel; questions@freebsd.org
> > Subject: Re: amd k6-2 550 vs p2 300
> >
> >
> > > As I indicated, games are the only benchmark I am interested
> > in.  I should
> > > add that UT is the primary game that I play.
> > >
> >
> > Then why were you using some stupid little benchmark program instead of
> > UT?  You claimed you were seeing a "real world benchmark" results from a
> > specific program written for intel chips.
> 
> I you would read my messages a little more closely.  What I said was, "maybe
> you are seeing the results of a real-world benchmark."  What I meant by that
> was, if windows is faster at something, isn't that a real world benchmark
> telling you that it is faster?
> 
> 
>   Real world benchmarks would
> > be starting up a UT demo and seeing what framerates you get.
> >
> 
> Right....and my p2 is faster than aforementioned K6-2.
> 
> > > For the things that I do with FBSD I don't see alot of
> > difference between a
> > > K6-2 and a P2, either. But then, I don't see much difference between a
> > > classic pentium 100 and a P3-600, either.  Most of the things I
> > do with FBSD
> > > put very little load on the CPU.  Mostly I see the disk
> > subsystem and the
> > > memory subsystem being worked.
> > >
> > > For instance, I have the old www.stomped.com web server sitting
> > here, and
> > > its a K6-233.  (stuffed with RAM, though) I didn't get the
> > disks, but I bet
> > > they weren't 5400 rpm IDEs.  ;)
> > >
> > Compile times on Freebsd are not noticably different between AMD and
> > Intel chips, they are on windows.  Quake 3 framerates are only 5 fps
> > different for me in freebsd vs 17 in windows.
> >
> > > Windows IS a resource hog, and it does use a lot more CPU time
> > than FBSD.
> > > Maybe that is why you notice a big difference in performance
> > between OSs.  I
> > > have little love for M$crosoft, but I find it hard to believe that they
> > > deliberately mangle the OS to run slower on a specific chip.
> > >
> > > Josh
> >
> > Its not a matter of mangling anything, its that they highly optimize it
> > for Intel chips, and don't bother to do anything for AMD chips.  I don't
> > hate MS, I'm just telling you there is a noticable difference running
> > AMD vs Intel on windows compared to any other OS.
> >
> > And I think you are in fact getting confused about the cache issue.
> > Socket designs do not allow for off die cache unless it is located on
> > the motherboard.  There is simply no other place for it.  The only cache
> > running at 100 MHz is on your motherboard.  Any on die cache runs full
> > speed.
> 
> Exactly...that is why K6-2 L2 cache runs at 100mghz and P2 cache runs at 1/2
> core speed.
>   And only intel is going back to socket 370, AMD uses super
> > socket 7 and socket A.  That's why k-6 III's were outperforming the old
> > Xeons in cache intensive apps, it still has on on die cache at full core
> > speed, where as slot xeons have off die cache.
> >
> 
> So now we are talking about K6-3s?  I suppose those are way faster than P3s,
> too.  :)

http:www1.amd.com/products/cpg/result/1,1265,184,00.html

If it's true what they say, why haven't they developed it further to be more 
competitive?


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