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Subject: Re: CPU's and Spec int 2000 questions

Author: Anthony Cozzie

Date: 13:58:22 10/23/04

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A few pieces of advice.

  Athlon 64/Opteron is going to be by far the most upgradeable computer: dual
core chips will come out in 1-2 years or so (but be careful and get a chip with
the right number of pins).  OTOH the Athlon XP/MP line is finished, and Intel is
having a very hard time ramping up the clockspeed on their P4s.  While Intel
does have a dual-core solution in the works, the power requirements will be
ludicrous.

  The compiler (not so much the OS) makes a _huge_ difference in benchmarks.
Last time (1 year ago or so) Zappa was 30% faster on the intel compiler than
with gcc.

  Compiling a program in 64 bits will give any program at least a 10-15%
performance increase just from the extra registers.

anthony



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