[RC5] P4 Speed Question

Ferry van Steen td at salesint.com
Mon Jun 18 15:50:51 EDT 2001


Wat do you mean by:

I'm sure you know this already, but there are a lot of people who
believe strongly in Free software but aren't such mental midgets that
they think like the most stereotypical /. zealots

I'm not really sure what to think about that :-)

regards

----- Original Message -----
From: "Peter Cordes" <peter at llama.nslug.ns.ca>
To: <rc5 at lists.distributed.net>
Sent: Monday, June 18, 2001 8:14 AM
Subject: Re: [RC5] P4 Speed Question


> On Fri, Jun 15, 2001 at 09:44:31AM -0500, Ryan Malayter wrote:
> > >> Somewhat ironically, it's the Linux folks - who can recompile most of
> > their
> > >> software to their liking - that might find they actually like
performance
> > >> (maybe not price) of the P4 right now.
> >
> > > I pity the foo' who can't recompile her OS (apologies to Mr. T :).  I
> > don't
> > >find it ironic at all, since one of the reasons for using a Free OS is
that
> > >you can do anything you want with it, and aren't dependent on any
company
> > to
> > >get around to doing stuff for you.  Could you explain what you meant
there?
> >
> > Well... haven been an admin/DBA/programmer for an exclusively NT
environment
> > (well, one HP/UX box) for the last 5 years, I guess well I'm out of the
**IX
> > scene. I suppose I was thinking - fondly, mind you - of what we
outsiders
> > think of as the "slashdot culture," that core of underdog-loving Linux
> > diehards
> > who loathe Microsoft first and Intel second. To me, it's somewhat ironic
> > that
> > they who promote love for AMD and hate of Intel's monopolistic
tendencies
> > can benefit most from Intel's new beast.
>
>  Ah, I see what you mean.  It's only ironic when you think about the
> goofs who think AMD would act differently if they were as big and
> had as much market share as Intel.  The only reason to hate Intel is
> their marketing department.  They get stuff pushed out before its
> ready, and they cripple the budget stuff so it doesn't compete with
> the high-end stuff.  (compare duron vs. celeron for the difference
> between the budget product of AMD and Intel...)
>
>  This is pointed out often enough on /. that I've thought about it,
> and concluded there's nothing inherently evil about Intel.  They have
> a dumb marketing dept. and currently a single-CPU system will run
> faster for the same money if you use an AMD CPU.  That's all, even if
> it is pretty important when helping people buy a new computer.  Intel
> has higher prices, so don't buy them.  They aren't evil for having
> higher prices.  They just don't have stuff worth buying unless you
> want a cheap dual-cpu machine (or you want stuff other than IA32 CPUs,
> like eepro NICs.  err, not a great example, since there are other good,
> cheap, NICs that don't charge you for the brand name.  Both of my
> Network Everywhere NC-100 NICs work wonderfully for me.)
>
>  Anyway, yeah, now I get it, but I'm mature enough to realize
> that rooting for AMD is just plain underdog loving, not some kind of
> fight against an evil empire (unlike the case with Microsoft and
> software... http://bbspot.com/News/2000/4/MS_Buys_Evil.html :-)
>
>  I'm sure you know this already, but there are a lot of people who
> believe strongly in Free software but aren't such mental midgets that
> they think like the most stereotypical /. zealots.
>
> >
> > >> Assuming, of course, that these Lunix
> > >> folks have access to good P4-optimized compilers and script
> > interpreters...
> >
> > > Oh, you mean this?
> > >http://developer.intel.com/software/products/compilers/linuxbeta.htm
> >
> > It's a start, I guess. Not being a Linux guy, I didn't know about this
> > offering
> > from Intel. But from my Solaris days in college, I remember how compiler
> > choice
> > sparked minor holy wars amongst our C programmers, a sun vs. gcc battle
> > waged in
> > the Makefiles. Nobody wanted to handle all those compiler flag
differences;
> > everyone
> > swore that their compiler choice produced the tightest, fastest code. I
> > would think
> > Intel has to make their compiler fully gcc compatible to make any P4
> > Linux/FreeBSD
> > inroads. But maybe things have changed in this regard since I last used
two
> > forward
> > slashes to comment my code...
>
>  Hehe :) My school has Solaris machines with gcc and Sun's workshop
> compilers both installed.  Last time I checked, I think I found that
> both give similar performance on integer code, but that the workshop C
> compiler generates faster floating point code, and has some fancier
> machine-specific and optimization options.  It also has an option to
> handle C++ style // comments.  It can do stuff like automatically
> parallelize some loops and compile the program to start multiple
> threads.  For a Mandelbrot fractal generator, this gives a very real
> speed boost when running on all but one of your CPUs (to leave room
> for other processes without interrupting one of your threads).  Of
> course, I had to wait until the middle of the night for the load
> average to be low enough for this to work well, since the only MP
> machine random students like me could use is THE server that everyone
> uses to do their homework.  For my homework, I always had to do stuff
> in my Makefile like if $(uname ... ) (sorry don't remember Makefile
> conditional syntax right now...)   Actually, that was because of
> Solaris vs. Linux in other ways, since I just compiled my homework
> with GCC.  Being able to use GNU C (as opposed to ISO C) features was
> nice, but not all of them were available since the GNU C library is
> needed for some of them.
>
>  Sorry to be so far off topic.  I hope you didn't read this far if you
> didn't like this message :)
>
> --
> #define X(x,y) x##y
> Peter Cordes ;  e-mail: X(peter at llama.nslug. , ns.ca)
>
> "The gods confound the man who first found out how to distinguish the
hours!
>  Confound him, too, who in this place set up a sundial, to cut and hack
>  my day so wretchedly into small pieces!" -- Plautus, 200 BCE
> --
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