Merge branch 'fixConfigDoc' into develop

idefix-code · Oct 24, 2024 · 4267c4f · 4267c4f
2 parents a2a0189 + 46d1973
commit 4267c4f
Showing 1 changed file with 32 additions and 8 deletions.
diff --git a/doc/source/reference/makefile.rst b/doc/source/reference/makefile.rst
@@ -130,32 +130,56 @@ Finally, *Idefix* can be configured to run on Mi250 by enabling HIP and the desi
 
 MPI (multi-GPU) can be enabled by adding ``-DIdefix_MPI=ON`` as usual.
 
-Jean Zay at IDRIS, Nvidia V100 and A100 GPUs
---------------------------------------------
+Jean Zay at IDRIS, Nvidia V100/A100/H100 GPUs
+---------------------------------------------
 
-We recommend the following modules and environement variables on Jean Zay:
+We recommend the following modules and environement variables on Jean Zay V100/A100:
 
 .. code-block:: bash
 
+    module load arch/a100 # ONLY forA100
     module load cuda/12.1.0
     module load gcc/12.2.0
     module load openmpi/4.1.1-cuda
-    module load cmake/3.18.0
+    module load cmake/3.25.2
+
+While for H100:
+
+.. code-block:: bash
+
+    module load arch/h100
+    module load cmake/3.30.1
+    module load cuda/12.1.0
+    module load openmpi/4.1.5-cuda
 
 *Idefix* can then be configured to run on Nvidia V100 with the following options to ccmake:
 
 .. code-block:: bash
 
-    -DKokkos_ENABLE_CUDA=ON -DKokkos_ENABLE_VOLTA70=ON -DKokkos_ENABLE_IMPL_CUDA_MALLOC_ASYNC=OFF
+    -DKokkos_ENABLE_CUDA=ON -DKokkos_ARCH_VOLTA70=ON
 
 While Ampere A100 GPUs are enabled with
 
 .. code-block:: bash
 
-    -DKokkos_ENABLE_CUDA=ON -DKokkos_ENABLE_AMPERE80=ON -DKokkos_ENABLE_IMPL_CUDA_MALLOC_ASYNC=OFF
+    -DKokkos_ENABLE_CUDA=ON -DKokkos_ARCH_AMPERE80=ON
+
+And for H100 GPUS:
+
+.. code-block:: bash
+
+    -DKokkos_ENABLE_CUDA=ON -DKokkos_ARCH_HOPPER90=ON
+
+
+MPI (multi-GPU) can be enabled by adding ``-DIdefix_MPI=ON`` as usual.
+
+
+.. warning::
+
+  As of *Idefix* 2.1.02, we automatically disable Cuda Malloc async (``-DKokkos_ENABLE_IMPL_CUDA_MALLOC_ASYNC=OFF``). However, earlier versions of
+  *Idefix* requires this flag when calling cmake to prevent a bug when using PSM2 with async Cuda malloc possibly leading to openmpi crash or hangs on Jean Zay.
+
 
-MPI (multi-GPU) can be enabled by adding ``-DIdefix_MPI=ON`` as usual. The malloc async option is here to prevent a bug when using PSM2 with async
-Cuda malloc possibly leading to openmpi crash or hangs on Jean Zay.
 
 .. _setupSpecificOptions: