[CP2K:6329] FFTW "Wisdom" support removed?
Iain Bethune
ibet... at epcc.ed.ac.uk
Mon Mar 30 14:43:26 UTC 2015
Hi Martin,
To really check it is working, I would run again with FFTW_PLAN_TYPE PATIENT and FFTW_WISDOM_FILE_NAME set to the location of your file - this should still read the wisdom, and the planning time should be much shorter, while still giving the expected performance.
- Iain
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Iain Bethune
Project Manager, EPCC
Email: ibet... at epcc.ed.ac.uk
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> On 30 Mar 2015, at 15:16, M. Brehm <brehmin... at googlemail.com> wrote:
>
> Hi,
>
> thank you for the detailed explanation. I just tried a small example with just one single calculation. I was able to create a Wisdom file with FFTW_PLAN_TYPE PATIENT just by specifying FFTW_WISDOM_FILE_NAME. Running the same calculation without FFTW_PLAN_TYPE PATIENT, but reading that Wisdom file instead, gives exactly the same performance as above. That's great. Thank you again for enlightening this :-)
>
> Best regards,
> Martin
>
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