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| From: | Andreas Weber |
| Subject: | Re: Strange computational time with fftn |
| Date: | Fri, 17 Apr 2020 21:45:56 +0200 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 |
Am 17.04.20 um 21:33 schrieb Marco Caliari:
> anybody can explain me the strange peak in elapsed time I see in
> computing fftn for dimension 100^3 with the default planner "estimate"?
I can see the same on my AMD Ryzen 5 2600 Six-Core Processor.
When reduzing the number of threads:
fftw ("threads", 4)
the peak is gone.
-- Andy
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