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For fftw3 with INTEL compilers, please consider also to use the MKL! Read more
Modules and Usage at HLRN
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- PATH
- LD_RUN_PATH
- PKG_CONFIG_PATH
- LIBRARY_PATH
The modules do not have any effect during runtime.
Precision
You may link to -lfftw3f (single) or -lfftw3l (long-double) instead of or in addition to -lfftw3 (double).
You can see all provided versions directly after you loaded a FFTW module with: ls ${LIBRARY_PATH%%:*}
Installation at HLRN
Fftw3 is build from source. The current version is build with several compilers. High end optimisation is used. read more
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