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To: Tenchusatsu who wrote (119212)11/25/2000 6:16:13 PM
From: Tony Viola  Read Replies (1) | Respond to of 186894
 
Ten, thanks for summarizing that article by Tom. I don't know if I would have had the patience to stay with it otherwise. P4 jumps into the lead, soundly thrashing Athlon!

Tony



To: Tenchusatsu who wrote (119212)11/25/2000 7:22:55 PM
From: Paul Engel  Read Replies (2) | Respond to of 186894
 
Tenchusatsu - re: "Seems Tom's tone is changing once again, "

What all this indicates is that Tom Uberclockermeister is nothing more than a Soap Box Hack who just runs random benchmarks - with little or no basic understanding of them - until he finds those that support his agenda-of-the-moment.

Trying to illimuinate the underlying basics of a given architecture is way beyond his capability - or his objectives - yet his pied-piper-followers cling to his every Intel-bash.

He is a prime example of a fool with a podium and an audience - of hate-filled followers.

Reminds me of another one of his countrymen - from about 68 years ago.

Paul



To: Tenchusatsu who wrote (119212)11/25/2000 7:48:33 PM
From: Elmer  Respond to of 186894
 
Re: "1) Pentium 4 performance increased by a factor of 3.6 on the High Quality iDCT settings. This is a straight recompile without SSE or SSE2 instructions.

2) Pentium 4 performance increased by another 35% using SSE2 (beyond #1 above).

3) The performance of Pentium III increased by 83% with a straight recompile (no SSE or SSE2).

4) Interestingly enough, the performance of AMD Athlon increased by 73% with a straight recompile. This just goes to show that even AMD's Athlon benefits from Intel's compiler. (I suppose this version didn't use 3DNow. It's unknown to anyone what kinds of improvements we'll see from compilers which optimize specifically for Athlon.)"

Impossible Ten. Everyone knows Intel's compilers are only good for generating SPEC benchmark code.

EP



To: Tenchusatsu who wrote (119212)11/26/2000 12:11:41 AM
From: Cirruslvr  Read Replies (1) | Respond to of 186894
 
Tench - RE: "Hopefully it also sheds some light on the performance situation with Pentium 4, both legacy and future."

Ok, so it's basically understood that the Athlon is better at running the majority of today's programs while the P4 has the "potential" to be the superior processor in the future once programs are optimized for its core/SSE2.

The question I have is how confident are people that software will be recompiled or rewritten for the P4 now rather than later.

SSE came out 20 months ago and, as far as I can tell, is not prevalent in the majority of software sold today.

Will software developers make a more pronounced effort to optimize for the P4 ASAP since it, comparatively, blows in the majority of today's software and has lots of untapped "potential"?

With Intel stating the P4 won't out-ship the PIII until late 2001 or early 2002 (which just happens to be the same time period AMD plans to support SSE2), what incentive do today's developers have to make a transition to P4 optimized software ASAP rather than when the P4 becomes Intel's undisputed volume leader?



To: Tenchusatsu who wrote (119212)11/26/2000 1:51:10 AM
From: Ali Chen  Respond to of 186894
 
<No additional effort was made to improve performance in other ways, like profiling,...>

I would not jump into that conclusion too fast.
I think you need to become little more familiar with
compilers made by your own company. The 5.1 compiler
is inherently a two-pass compiler, where the second pass
uses profiles generated from the first pass. Or at least
what I've heard.

[edited]