I don't know that fibonacci is an adequate benchmark.  I saw a *huge* 
improvement in the performance of the Tyler visualization plugin when I 
recompiled with GCC using -mcpu=v9 vs the default.  Then again, the main 
loop was performing a lot of multiply operations, which were being 
deferred to a function call without the v9 option.  I do not have access 
to any version of Sun Forte newer than 6.1, so I can't really benchmark 
with that.

I'd use the Forte binaries, but I need to continue patching and fixing.  
I'm trying to get korganizer to work better with our Exchange server.

-Aaron

André Schneider wrote:

> Hi all,
>
> The calculation of elepsed time should be fixed as follwos
> in the fibonacci program:
>
>
> Stefan Teleman wrote:
>
>> elapsed = ((double) (end / CLOCKS_PER_SEC) - (double) (start / 
>> CLOCKS_PER_SEC));
>
>
>   elapsed = (end / (double)CLOCKS_PER_SEC) - (start / 
> (double)CLOCKS_PER_SEC);
>
>
> Currently I'm not in my office - so I can only test
> GCC 3.3.3 on my Laptop. Results are interesting:
>
>
> (Windows 2000, Cygwin, Pentium III Mobile, 1200 MHz)
>
> gcc 3.3.3  (without optimization!!!)
> fibonacci: calculated 10 fibonacci(36) in 6.319000 seconds
> fibonacci: calculated 10 fibonacci(36) in 6.339000 seconds
> fibonacci: calculated 10 fibonacci(36) in 6.329000 seconds
>
> gcc 3.3.3 -O1
> fibonacci: calculated 10 fibonacci(36) in 7.781000 seconds
> fibonacci: calculated 10 fibonacci(36) in 7.791000 seconds
> fibonacci: calculated 10 fibonacci(36) in 7.761000 seconds
>
> gcc 3.3.3 -O2
> fibonacci: calculated 10 fibonacci(36) in 7.370000 seconds
> fibonacci: calculated 10 fibonacci(36) in 7.410000 seconds
> fibonacci: calculated 10 fibonacci(36) in 7.420000 seconds
>
> gcc 3.3.3 -O3
> fibonacci: calculated 10 fibonacci(36) in 7.400000 seconds
> fibonacci: calculated 10 fibonacci(36) in 7.430000 seconds
> fibonacci: calculated 10 fibonacci(36) in 7.360000 seconds
>
>
> /André
>
>
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