AW: [RC5] Athlon XP/MP even faster? K5 faster than K6!

waldo kitty wkitty42 at alltel.net
Sun Oct 21 16:32:51 EDT 2001


agreed, wholeheartedly... ok, so it's not fully twice as fast... kinda
like RAID isn't fully the sum of all disks in the array...

Chris Pollard wrote:
> 
> Yes but keyrate will not be doubled.  You lose Mhz going SMP (NOT
> literally).  Fastest option would be two boxes if you have two chips.
> 
> -----Original Message-----
> From: owner-rc5 at lists.distributed.net
> [mailto:owner-rc5 at lists.distributed.net]On Behalf Of waldo kitty
> Sent: 19 October 2001 20:28
> To: rc5 at lists.distributed.net
> Subject: Re: AW: [RC5] Athlon XP/MP even faster? K5 faster than K6!
> 
> i don't believe that they're saying that two will be faster than one...
> they are saying that the key generation rate will be doubled...
> especially if they run the client on both processors... i understand it
> is possible to run the client on a single processor in a SMP machine...
> 
> "Aaron W. Swenson" wrote:
> >
> > I'm surprise everybody missed one piece.  Two Durons will NOT be twice as
> > fast as one.
> >
> > At 07:29 AM 10/19/2001 -0500, you wrote:
> > >Actually, the K6 was based on NexGen's work.
> > >
> > >----- Original Message -----
> > >From: "Jin-Wei Tioh" <jinwei at tm.net.my>
> > >To: <rc5 at lists.distributed.net>
> > >Sent: Friday, October 19, 2001 5:15 AM
> > >Subject: Re: AW: [RC5] Athlon XP/MP even faster? K5 faster than K6!
> > >
> > >
> > > > At 10:26 PM 10/18/2001 +0200, you wrote:
> > > > >Did you know that the k5 is faster than the k6 (not in general but
> > >regarding
> > > > >rc5 only)?
> > > > >
> > > > >133MHz are faster than 180MHz:
> > > > >AMD K5 133MHz 326,625 keys/sec
> > > > >AMD K6 180MHz 324,639 keys/sec
> > > > >
> > > > >Both at 200MHz:
> > > > >AMD K5 200MHz 434,804 keys/sec: ~2174 keys/sec/MHz
> > > > >AMD K6 200MHz 330,745 keys/sec: ~1653 keys/sec/MHz
> > > > >
> > > > >---SNIP---
> > > > >
> > > > >With greetings from Germany
> > > > >Horst
> > > >
> > > > I believe this is because the K5 has a more powerful / effective (ie.
> > > > higher IPC)
> > > > integer unit than the K6. That was generally the K5's strength over
> the
> > >K6.
> > > > IIRC the K5 was based on NexGen's work, while the K6 was using the
> Chomper
> > > > core.
> > > >
> > > > --
> > > > JW
> > > > www.BlueSmoke.net
> > > >
> > > > --
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> > > >
> > > >
> > >
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> --
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      (@@)                      Waldo Kitty, Waldo's Place USA
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