Hi, On Mon, 2 Feb 2004, Odon Farkas wrote:
Please, note the architecture and compiler also published (clik on the right side) and than you can see the used OS and compiler.
I have of course.
Like the first one in the linked page:
SOFTWARE -------- Operating System: SuSE Linux Enterprise Server 8 for x86 Compiler: Intel C/C++ 7.0 build 20021212Z and Intel Fortran 7.0 build 20021212Z
Ermh, yeah, well, this is a 32bit compiler. No wonder it doesn't better than 32bit. You should actually look at Opteron systems where a 64bit compiler is used, like e.g. http://www.spec.org/cpu2000/results/res2003q4/cpu2000-20031117-02630.html Score ~ > 1500.
I guess this is not a 64-bit compiler...
Yes, so what did you want to say here? I thought this thread was about 64bit mode vs. compatibility mode performance. Citing compatibility mode compilers isn't going to help then.
P.S. By the way, I personally use Athlon64/SuSE 9.0 x86_64 and Gaussian compiled for 64-bit, but the facts are still facts.
True. But fact is that most people see real performance improvements, that's why I said that something must be fishy on your side. Wrong options, wrong inline assembler, wrong glibc, I don't know. Something. Or simply code which the compiler is not happy about. Ciao, Michael.