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Subject: Re: ot. is the gcc 3.3 compiler just as fast as microsoft's now?? nt.

Author: Vincent Diepeveen

Date: 09:09:03 08/06/03

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On August 06, 2003 at 03:13:34, martin fierz wrote:

Did you use PGO (profile guided optimizations) with gcc 3.2 ?

If not, redo the test. it is here where GCC wins for me from all
other compilers at x86 hardware.

P3, K7 and p4.

>On August 05, 2003 at 13:02:50, Albert Silver wrote:
>
>>On August 05, 2003 at 11:15:41, Robert Hyatt wrote:
>>
>>>On August 05, 2003 at 10:45:41, Ricardo Gibert wrote:
>>>
>>>>On August 05, 2003 at 09:53:26, Robert Hyatt wrote:
>>>>
>>>>>On August 05, 2003 at 09:24:07, ERIQ wrote:
>>>>>
>>>>>>.
>>>>>
>>>>>
>>>>>No.
>>>>
>>>>I have to disagree. I have performed a number of experiments and found msvc
>>>>faster some of the time and gcc faster some of the time. It all depends on a
>>>>number of factors that are not completely predictable.
>>>>
>>>>The experiments consisted of simulataneously dropping CD copies of each compiler
>>>>from the roof of my home and observing which CD impacted the ground first. They
>>>>never seemed to impact the ground at exactly the same time, but there was no
>>>>clear favorite either.
>>>
>>>
>>>:)
>>
>>Joking aside, how much slower on average is gcc compared to msvc, and more
>>importantly what are the final results like between the two?
>>
>>                                       Albert
>
>i once compiled my checkers program with both GCC 3.2 and MSVC7. the MSVC7 .exe
>was around 10% faster.
>
>cheers
>  martin



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