Why is reading charmm36 ff files slow in HPC

GROMACS version:
GROMACS modification: Yes/No
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First, i have just installed GROMACS 2024 on a HPC …
first time i used miniconda -i got the normal gmx version - and it worked very fine for me till i tried to use CHARMM36 FF, i noticed that the file reading is SLOW … for example while reading lipid files it takes over 30 mins idk why or how … i tried installing it manually using this

cmake -DCMAKE_INSTALL_PATH=****/data/installed_pkgs/gromacs24/ -DGMX_BUILD_OWN_FFTW=ON -DREGRESSIONTEST_DOWNLOAD=ON -DGMX_MPI=on -DCMAKE_CXX_COMPILER=/eb/software/GCCcore/12.3.0/bin/g++ -DCMAKE_C_COMPILER=/eb/software/GCCcore/12.3.0/bin/gcc

i used OpenMPI 4.1.5 too

first i want to be able to use the power of the HPC if u have a better cmake pls tell me

second … i tried installing GROMACS in my linux -debian 12- and it worked fine … no slowness or anything …

is that normal ?!

Thanks for your time

GPU and CPU models are →
CPU : 2x Intel Xeon E5-2680 v3
GPU : NVIDIA Tesla K80