Add ICON model grids

lectures/parallelism/slides.qmd

@@ -49,10 +49,19 @@ show some central loop
 FIXME
 
 ## Other problem domains
-* ICONs domain decomp
-* maybe something totally different?
 
-FIXME
+:::: {.columns}
+
+::: {.column width="75%"}
+
+![](static/csm_icon_grid_16198badca.jpg){width=100%}
+
+:::
+
+::::
+
+ICON model grids: a) Global uniform grid, b) Global grid with locally refined ocean grid, c) Limited area atmosphere-only uniform grid with inside nests.
+Credit: MPI-M
 
 # Introducing OpenMP
 * A popular way to parallelize code
@@ -412,4 +421,4 @@ S1 and S2 can NOT be executed in parallel!
 
 * "Computer Architecture - A Quantitative Approach" - J. Hennessy and D. Patterson
 * "Introduction to High Performance Computing for Scientists and Engineers" - G. Hager and G. Wellein
-* "Introduction to Parallel Computing Tutorial" - [Online](https://hpc.llnl.gov/documentation/tutorials/introduction-parallel-computing-tutorial), Lawrence Livermore National Laboratory 
+* "Introduction to Parallel Computing Tutorial" - [Online](https://hpc.llnl.gov/documentation/tutorials/introduction-parallel-computing-tutorial), Lawrence Livermore National Laboratory 
\ No newline at end of file