To build and execute code on the GPU A100 cluster, please use the appropriate login nodes as listed in Quickstart.login to
- a GPU A100 login node, like bgnlogin.nhr.zib.de.
- see also Quickstart
Code build
For code generation we recommend the software package NVIDIA hpcx which includes is a combination of compiler and access to powerful libraries, like e.g. MPI.
| Codeblock |
|---|
| language | text |
|---|
| title | Plain OpenMP for GPU |
|---|
|
bgnlogin1 ~ $ module load nvhpc-hpcx/23.1
bgnlogin1 ~ $ module list
Currently Loaded Modulefiles: ... 4) hpcx 5) nvhpc-hpcx/23.1 |
...
bgnlogin1 ~ $ nvc -mp -target=gpu openmp_gpu.c -o openmp_gpu.bin |
| Codeblock |
|---|
| language | text |
|---|
| title | MPI and OpenMP and MPIfor GPU |
|---|
|
bgnlogin1 ~ $ module load nvhpc-hpcx/23.1
bgnlogin1 ~ $ module list
Currently Loaded Modulefiles: ... 4) hpcx 5) nvhpc-hpcx/23.1 |
...