Hi there folks, I have got an AMD64 system running fedora core 2. It's an Athlon64 3500+, on an Asus A8V Deluxe. I have found something quite intriguing, by running the following code: ------------------ ... clock_t start, end; start = clock(); // Do some work end = clock(); elapsed_time = (double) (end - start) / (double) CLOCKS_PER_SEC; ------------------ The calculated time for an specific program i've written is 32.83 seconds, but the time i have calculated by looking at a digital watch before and after program execution was 125 seconds. My question is: i am doing something wrong?? Has the clock() way of measuring elapsed time been deprecated? If so, how should I do it? uname -a returns: Linux Guzella 2.6.5-1.358 #1 Sat May 8 09:01:26 EDT 2004 x86_64 x86_64 x86_64 GNU/Linux gcc specs are: Reading specs from /usr/lib/gcc-lib/x86_64-redhat-linux/3.3.3/specs Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --enable-shared --enable-threads=posix --disable-checking --disable-libunwind-exceptions --with-system-zlib --enable-__cxa_atexit --host=x86_64-redhat-linux Thread model: posix gcc version 3.3.3 20040412 (Red Hat Linux 3.3.3-7) I'm running the 2.6.5 kernel, as the 2.6.8 won't boot on this machine (i will be addressing this other issue later...) Thanks Thiago Guzella
