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Performances - P4/Athlon + Win2000/WinXP

#276

From: Matija
Date: Tue, 16 Nov 2004 08:33

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I developed some algorithms in C++ and compiled them using CPP Builder 6.
It is about extensive calculations, and all algorithms use object oriented 
approach (using objects instead of some static fields etc.).

Performance results are as follows:
 1. P4 2.8GHz HT, 512MB RAM, WinXP - calc. time - 88 sec
 2. P4 2.8GHz HT, 512MB RAM, Win2000 - calc. time - 55 sec
 3. P4 3.2GHz HT, 2GB RAM, WinXP - calc. time - 75 sec
 4. AMD Athlon 1.8 GHz (2200+), cca 700MB RAM, WinXP - calc. time - 30 sec

Could someone explain why AMD is working so much faster?
I thought it could be because standard FPU operations are faster on AMD 
(according Sandra benchmarks)?!

As much I understood CPP Builder 6 compiler doesn't support SSE2 instruction 
set (which should increase P4 performances).

Are there any compiler updates that could allow SSE2 instruction set to be 
used?

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Subject: Performances - P4/Athlon + Win2000/WinXP
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