[Pw_forum] Benchmarks (was Pentium-M versus Itanium)

[Nicola Marzari]

Thanks Aleksandr for the tests - this is really helpful.

Paolo - I also tried FFT3 3.0, but failed - can you help us a bit more - 
i.e.
what is the MKL-FFTW interface, to be compiled separately ? (I installed
MKL with the rpm of the Intel distro).

nicola



Paolo Giannozzi wrote:
> On Mar 15, 2008, at 19:18 , Aleksandr Shaposhnikov wrote:
>
>   
>>  * ifort 10.1.011, mkl 10.1.014, internal QE fftw [...]
>>     
>
> you might try FFTW v.3 with the MKL-FFTW interface (contained in
> recent versions of MKL, must be separately compiled): at least in
> serial execution, it is faster than internal FFTW compiled with gcc
>
>
>
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