Update hdf5 READMEs for Mahti

csc-training · Apr 30, 2024 · 6dc8000 · 6dc8000
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diff --git a/parallel-io/hdf5-write-read/README.md b/parallel-io/hdf5-write-read/README.md
@@ -3,11 +3,19 @@
 Complete the HDF5 exercises ([hdf5.c](hdf5.c) or [hdf5.f90](hdf5.f90))
 by writing HDF5 writer and reader functions/subroutines.
 
-On Lumi, you will need to load the module `cray-hdf5-parallel` before you 
+On Mahti, you will need to load the module `hdf5/1.10.7-mpi` before you 
 can compile the code:
 
 ```
-module load cray-hdf5-parallel
+module load hdf5/1.10.7-mpi
+```
+Now you shoud be able to compile with
+```
+mpicc hdf5.c -lhdf5
+```
+or
+```
+mpif90 hdf5.f90 -I/appl/spack/v017/install-tree/gcc-11.2.0/hdf5-1.10.7-qc3apk/include -lhdf5_fortran
 ```
 
 After compiling and running the program. You can use the `h5dump` and `h5ls` 

diff --git a/parallel-io/hdf5-writerank/README.md b/parallel-io/hdf5-writerank/README.md
@@ -2,11 +2,19 @@
 
 Explore the HDF5 codes ([hdf5-writerank.c](hdf5-writerank.c) or [hdf5-writerank.F90](hdf5-writerank.F90)) and try to compile them.
 
-On Lumi, you will need to load the module `cray-hdf5-parallel` before you 
+On Mahti, you will need to load the module `hdf5/1.10.7-mpi` before you 
 can compile the code:
 
 ```
-module load cray-hdf5-parallel
+module load hdf5/1.10.7-mpi
+```
+Now you shoud be able to compile with
+```
+mpicc hdf5-writerank.c -lhdf5
+```
+or
+```
+mpif90 hdf5-writerank.F90 -I/appl/spack/v017/install-tree/gcc-11.2.0/hdf5-1.10.7-qc3apk/include -lhdf5_fortran
 ```
 
 After compiling, try running the program with some number of MPI ranks. After this, try using the `h5dump` and `h5ls`  commands to check the values in the HDF5 file that is produced by running the example. Do you understand what the program does and what are the values in the file (as shown by `h5dump`)?