Installing FFTW

Use PuTTY to log in to the server as the root user.
Run the following commands to decompress the FFTW installation package:
```
cd /path/to/SRC
tar -xvf fftw-3.3.8.tar.gz
```
Run the following command to go to the directory generated after decompression:
```
cd fftw-3.3.8
```
Run the following command to execute the bootstrap.sh script:
```
./bootstrap.sh
```

Run the following command to perform the configuration:

./configure --prefix=/path/to/DEPENDENCIES --enable-shared --enable-static --enable-fma --enable-neon --enable-mpi

Run the following commands to perform the compilation and installation:
```
make -j
make -j install
```

Parent topic: Configuring the Compilation Environment