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Subject: Re: Company politics - intel c++ for computerchess sucks at K7

Author: Robert Hyatt

Date: 07:21:28 05/09/02

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On May 08, 2002 at 23:54:50, Vincent Diepeveen wrote:

>Sometimes i hate company politics. A superb compiler intel c++
>they weakened it for K7. Where 5.0.1 compiler was pretty fast
>for the superb K7 processors, the 6.0 compiler is deliberatly
>doing bad for K7.


I doubt it is "deliberate".  Why would Intel worry about optimizing for
the K7 when they don't build them?

Wouldn't make any sense at all, IMHO...




>
>intel c++ 6.0 linux KDE3 MP 1.4Ghz run single cpu
>is 2.4% slower than msvc 6.0 sp4+processorpack.
>
>Please take into account this is WITH profile information.
>msvc is already faster without taking advantage of that.
>
>God, sometimes i hate company politics.
>
>Last so many years msvc did shit litterary regarding to improve
>compiler (at least released nearly nothing). In total from
>4.5 to 6.0 sp4 procpack it got faster 3% from which the processor
>pack is 2%.
>
>Intel c++ which is taking use of all kind of new tricks is
>actually 8.5% faster on a P3, but 2.4% slower on a K7.
>
>Sometimes you can dominate because others make major blunders...
>...of course intel doesn't sell many compiler versions, so
>i understand the math. but sometimes i just hate company politics.
>couldn't they make it *equally* fast to the msvc compiler for example?



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