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Subject: Re: . . . M O R E . . . S P E E D . . .

Author: Aaron Gordon

Date: 09:34:38 08/18/03

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On August 18, 2003 at 10:03:09, Jason Michael Rogers wrote:

>On August 16, 2003 at 19:23:23, Aaron Gordon wrote:
>
>>On August 16, 2003 at 18:52:44, Jason Michael Rogers wrote:
>>
>>>On August 15, 2003 at 18:10:17, Aaron Gordon wrote:
>>>
>>>>On August 15, 2003 at 16:27:54, William Penn wrote:
>>>>
>>>>>I have had a 500MHz Celeron/256MB system for quite a few years. I just bought a
>>>>>new 2.6GHz Celeron/512MB computer and was expecting my chess software to run
>>>>>about 5X faster. It doesn't!? After considerable comparisons and benchmarking,
>>>>>it's clear that it runs about 2.2X faster. My tests & benchmarks are based on
>>>>>kN/s in infinite analysis mode using various practical chess positions and the
>>>>>Shredder 7.04 UCI engine in the CB GUI.
>>>>>
>>>>>What is the most important single other factor (besides processor speed) that
>>>>>would increase the speed of this engine in terms of kN/s? I'm sure that more RAM
>>>>>wouldn't do very much. Is it "BUS speed", or "memory speed", or "processor cache
>>>>>size", or "processor type", or what? I'm not interested in minor factors, just
>>>>>the most important one.
>>>>>WP
>>>>
>>>>This is what Intel counts on, people only looking at the MHz. Unfortunately you
>>>>got stiffed by Intel. Lots of benchmarks show the Celeron 2.2 overclocked to
>>>>well over 3GHz losing to a Duron 1.2GHz in most things, which should scale to
>>>>about what you have been seeing.
>>>>
>>>>The Pentium 4 is the same way (just not as bad). The best bet would be to get a
>>>>2800+ Athlon XP chip (if you don't want to overclock) as its the fastest MHz
>>>>wise (2250MHz) of any of the Athlons for chess, and faster than any of the P4s
>>>>out today for chess as well. If you'd prefer lots of speed and some
>>>>overclocking, try one of my 2.4-2.5GHz Athlon XP pretested chips.. They'll put
>>>>you up near P4-4GHz speed chess-wise and blow a P4-3.2 out of the water at
>>>>everything else.
>>>>
>>>>I've already done the tests vs a P4-2.53 @ 3.32GHz in multiple applications
>>>>(divx, mp3 encoding, compiling, encryption/decryption, sciencemark, chess, etc),
>>>>the P4-3.32 lost by a significant ammount in most of the tests. Plus, at $79 for
>>>>the 2.4GHz Athlon XP (3200-3400+ IMO) isn't bad at all..
>>>>
>>>>Here are some chess benchmarks:
>>>>http://www.newageoc.com/crafty/bench.html
>>>>
>>>>Note: I don't have any freon-cooled Athlon systems tested yet (at 3.4GHz), so
>>>>that would beat the P4-4GHz w/ HT by quite a bit. The top Athlon on there is the
>>>>2.5GHz and that is AIR cooled. The top P4 is FREON (-50 celsius) cooled.
>>>>
>>>>You can see from here the 2.2GHz Athlon (Athlon XP 2800+ is 50MHz faster) beats
>>>>a P4-3.25GHz. Celeron 1GHz (p3 core) is faster than a Pentium 4 1.5GHz, and an
>>>>Athlon XP 1.86GHz (about like a 2200+) is almost equal to a P4-3GHz. Even the
>>>>Pentium 3 1.12GHz beats a P4-1.6GHz. Good job Intel. :)
>>>>
>>>>Intel has it pretty sweet, though. Only company I know that can produce a
>>>>product sigificantly worse than the last one and charge people 4-5 times more
>>>>and have people actually buy it.
>>>
>>>
>>>
>>>
>>>Do you care to qualify that statement about the P4 being "worse" than the P3?
>>>You make alot of very confident assertions about speed and performance, but you
>>>don't back it up with any techical specification comparisons or bench test
>>>results. For example, why is 2.4-2.5GHz Athlon "up near P4-4GHz speed
>>>chess-wise"?.
>>
>>Did you bother looking at my results page?
>>http://www.newageoc.com/crafty/bench.html
>>
>>The P4 is 'worse' MHz for MHz than a Pentium 3. Ask any of the people that know
>>anything about processors. The P4 was designed to have an extremely low IPC
>>(instructions per cycle) and small L1 caches to scale the MHz way up. If you
>>feel it necessary, go test a 1GHz P3 or Celeron vs a Pentium 4 1.5GHz. You'll be
>>surprised at what you find...
>
>Again you avoid my questions and continue with more of the same drivel! I will
>repeat the question so it sinks into your head this time.
>
>"Do you care to qualify that statement about the P4 being "worse" than the P3?
>You make alot of very confident assertions about speed and performance, but you
>don't back it up with any techical specification comparisons or bench test
>results. For example, why is 2.4-2.5GHz Athlon "up near P4-4GHz speed
>chess-wise"?."

If you need details, read here:
http://www.newageoc.com/old/p4sucks.html

If that doesn't answer your question go email an Intel engineer.

>
>>>
>>>>
>>>>My recommendation is take it back and build an Nforce2 based Athlon XP 2800+
>>>>system. If you'd like to save a little money and get some extra speed, head over
>>>>to www.newageoc.com. If you don't know how to overclock I can manually 'lock'
>>>>the chip at 2.4GHz that way you don't need to do anything but drop in the chip
>>>>and put on the heatsink. :)



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