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To: wanna_bmw who wrote (142907)9/6/2001 1:20:45 AM
From: tcmay  Read Replies (2) | Respond to of 186894
 
I can't less this boner pass...

<<Dan, Re: "Even with an optimized RC5 client it is doubtful that the Pentium 4 will be able to do much in purely integer tests like this one."

Nobody cares. The market for individuals who buy computers to crack encryption codes is small enough that AMD can have them. <ggg>
>>

The market for _breaking_ encryption is indeed near zero. (And will be even closer to zero as key lengths increase, there not being enough computer power in the universe to brute force ciphers beyond a length already quite practical to use.)

However, servers in a variety of Web transactions use RC4, RC5, and other RSA ciphers and signature schemes extensively. And throughput is important. "Signatures/second" in SSL is an important metric.

A friend of mine who works at RSA recently apprised me of some optimized Itanium benchmarks. Even the 733 MHz Itanium grossly outperformed the Ultrasparc III.

The point is that RC4, RC5, and RSA benchmarks have nothing to do with "breaking ciphers" and everything to do with processing secure transactions.

--Tim May



To: wanna_bmw who wrote (142907)9/6/2001 8:51:50 AM
From: Dan3  Read Replies (1) | Respond to of 186894
 
Re: The market for individuals who buy computers to

Typically, in a real world application, Athlon substantially outperforms P4.

RC5 isn't a benchmark, it's an actual application that can be benchmarked, like compiling Linux, calculating Pi, etc.

And is difficult to "fix."

So it's one where Athlon looks better.

Unless the algorithm, data set, or both can be faked, P4 almost always loses.

With the current performance overkill of both AMD's and Intel's CPU lines, that may not much matter.