Gentoo Archives: gentoo-user

From: Mark Knecht <markknecht@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] [OT]Real compute cycles in a laptop?
Date: Wed, 08 Nov 2006 19:50:36
Message-Id: 5bdc1c8b0611081145k691da01bo5ef6975df16be04d@mail.gmail.com
In Reply to: Re: [gentoo-user] [OT]Real compute cycles in a laptop? by Alan McKinnon
1 On 11/8/06, Alan McKinnon <alan@××××××××××××××××.za> wrote:
2 <SNIP>
3 > > It's pretty boring but it seems that you can sort of double the CPU
4 > > MHz spec and come pretty close to the BogoMIPS numbers. However that
5 > > doesn't take cache size into account so maybe BogoMIPS isn't even the
6 > > right thing to be looking at.
7 >
8 > bogomips is usually about double the cpu speed, but you can't count on
9 > that. I would imagine that cache size and fpu performance were
10 > significant factors.
11 >
12 > Let's assume this app of your is floating point intensive (fairly safe
13 > assumption), and doesn't use a heck of a lot of RAM or disk (already
14 > shown to be true). So now you need to rate the fpu of the various
15 > processors and machines around. So I would read reviews of various
16 > machines in computer performance mags where they publish sane
17 > benchmarks, to get an idea of what would be best
18 >
19 > alan
20
21 Yeah - makes sense. Thanks.
22
23 Back to Google FPU stuff.
24
25 Thanks for your inputs.
26
27 Cheers,
28 Mark
29 --
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