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List: kde-solaris
Subject: Re: [kde-solaris] Re: fibonacci
From: André_Schneider <Andre.Schneider () eas ! iis ! fraunhofer ! de>
Date: 2004-11-07 10:23:36
Message-ID: 418DF7A8.9090507 () eas ! iis ! fraunhofer ! de
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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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