From: "Mark Chambers" <mwchambers@citlink.net>
To: "Wolfgang Denk" <wd@denx.de>
Cc: <linuxppc-embedded@lists.linuxppc.org>
Subject: Re: Motorola 5200 MIPS
Date: Mon, 3 May 2004 13:33:06 -0400 [thread overview]
Message-ID: <005d01c43134$b2c19cf0$0301a8c0@chuck2> (raw)
In-Reply-To: 20040503153304.34906C109F@atlas.denx.de
> Then go back and read the archives. This has been discussed several
> times before.
>
An excellent idea. Why didn't I think of that? And to all of you fellow
nerds back there who also like to know how things work and why - bless your
heart. Actually, I don't fully follow the explanations, but clearly the 603
core is not able to execute a single looped dbnz once per clock, so 263
BogoMIPS is a reasonable number for a 396MHz 5200. The number does not have
anything to do with bus speed, which is part of what was bothering me (2 x
132MHz, you know). I won't pester you all with this any more but if anybody
else wants to discuss further I'd welcome your emails (not discuss BogoMIPS
necessarily, but details of 5200 performance - I've got some very
challenging requirements to hit and any insights will be welcome).
Mark Chambers
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
prev parent reply other threads:[~2004-05-03 17:33 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-30 22:25 Motorola 5200 MIPS Mark Chambers
2004-04-30 22:46 ` Gary Thomas
2004-05-03 6:56 ` Gerrit Van de Velde
2004-05-03 14:39 ` Mark Chambers
2004-05-03 15:32 ` Wolfgang Denk
2004-05-03 17:33 ` Mark Chambers [this message]
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