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[Web] Analysis: x86 Vs PPCANN.lu
Posted on 09-Jul-2003 21:21 GMT by Hagge38 comments
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It's up, created by Nicholas Blachford, read it all on osnews.
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Comment 1Matt Parsons09-Jul-2003 19:50 GMT
Comment 2Don CoxRegistered user09-Jul-2003 20:11 GMT
Comment 3takemehomegrandmaRegistered user09-Jul-2003 20:24 GMT
Comment 4corpse09-Jul-2003 20:41 GMT
Comment 5corpse09-Jul-2003 21:03 GMT
Comment 6Elektro09-Jul-2003 21:26 GMT
Comment 7Christophe DecaniniRegistered user09-Jul-2003 21:33 GMT
Comment 8Lando09-Jul-2003 22:30 GMT
Comment 9Johan Rönnblom09-Jul-2003 22:54 GMT
Comment 10Anonymous09-Jul-2003 23:00 GMT
Comment 11corpse09-Jul-2003 23:47 GMT
Comment 12corpse09-Jul-2003 23:50 GMT
Comment 13corpse09-Jul-2003 23:58 GMT
Comment 14Chain|Q10-Jul-2003 05:18 GMT
Comment 15Chain|Q10-Jul-2003 05:22 GMT
Comment 16gz10-Jul-2003 05:55 GMT
Comment 17Emeric SH10-Jul-2003 06:29 GMT
Comment 18Fabio Alemagna10-Jul-2003 06:55 GMT
Comment 19Bill Hoggett10-Jul-2003 07:01 GMT
Analysis: x86 Vs PPC : Comment 20 of 38ANN.lu
Posted by Matt Parsons on 10-Jul-2003 07:18 GMT
In reply to Comment 17 (Emeric SH):
The article was flawed, and in some cases wrong.

Example:
1.
It highlighted the weakness in the x87 (the FPU), it failed to note that these weakenesses have been rectified in the Pentium+ (Athlon+), with it's "free instructions" and multiple pipes etc... It also failed to note that the new PPC 970 has actually cut back the FPU as it is simply not that important on the desktop, Vector units and 3D GPU's are far more important.

2.
It claims that the PPC has a shorter fatter pipe than the Athlon. Not true the Athlon and PPC have similar sized pipes, it's the Pentium4 that has a long thin pipe. Also the article claims that the PPC 970's pipe is long and thin, but for the PPC some how this is better than the x86... It doesn't explain how or why,(which is not surprising since long and thin has benefits for any architecture when scaling performance, but this article couldn't suggest that the P4 has a more advanced design... could it?)

3.
The Term RISC and CISC has not been used by chip designers for a long time. The chips are now classified by their architecture, rather than the "design Philosiphy". Most CPU's are now "Load-Store". The x86 has a less complex instructin set than some RISCs, and the PPC has the most complex RISC instruction set I've ever seen... Both CPU's share RISC/CISC features, as it's more efficient to use both conceepts.

4.
The Article fails to note that the modern PPC and the medern x86 CPU's are infact very similar chips, they use all the same "tricks" and have all been designed by people who have kept up to date with the latest technology.

At the end of the day, I like the PPC, I even own one, and I'm hoping the Motherboard fairy brings me a Pegasos... fingers crossed. But I don't appreciate articles that are just blatent marketing.

You don't need to lie about the PPC to show how good it is!!!
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List of all comments to this article (continued)
Comment 21John Block10-Jul-2003 08:13 GMT
Comment 22elektroRegistered user10-Jul-2003 10:24 GMT
Comment 23corpse10-Jul-2003 11:15 GMT
Comment 24Rob10-Jul-2003 15:46 GMT
Comment 25Megol10-Jul-2003 19:23 GMT
Comment 26anonymous10-Jul-2003 20:00 GMT
Comment 27CodeSmith10-Jul-2003 21:27 GMT
Comment 28CodeSmith10-Jul-2003 21:32 GMT
Comment 29Bill Hoggett10-Jul-2003 21:59 GMT
Comment 30DaveP11-Jul-2003 06:57 GMT
Comment 31Rob11-Jul-2003 08:32 GMT
Comment 32Matt Parsons11-Jul-2003 09:35 GMT
Comment 33Matt Parsons11-Jul-2003 11:08 GMT
Comment 34Chain|Q11-Jul-2003 15:31 GMT
Comment 35Joe "Floid" Kanowitz11-Jul-2003 18:05 GMT
Comment 36smp26612-Jul-2003 01:00 GMT
Comment 37Anonymous14-Jul-2003 18:17 GMT
Comment 38Anonymous14-Jul-2003 18:18 GMT
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