Merge pull request #136 from ajnonaka/gpu_aware

fix GPU_AWARE_MPI in documentation
AMReX-Codes · Sep 17, 2024 · 4f1203f · 4f1203f
2 parents f5efc77 + 4f87bb4
commit 4f1203f
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/ExampleCodes/heFFTe/Basic/README b/ExampleCodes/heFFTe/Basic/README
@@ -30,9 +30,9 @@ NVIDIA/CUDA BUILD
 ######################
 
 # NOTE: -DCMAKE_INSTALL_PREFIX can be a different location /path/to/DCMAKE_INSTALL_PREFIX
-# NOTE: -DHeffte_DISABLE_GPU_AWARE_MPI=OFF is not working on perlmutter
+# NOTE: If you configure with -DHeffte_DISABLE_GPU_AWARE_MPI=OFF, you must use --gpu-bind=none in your slurm script
 
->> cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_STANDARD=17 -DBUILD_SHARED_LIBS=OFF -DCMAKE_INSTALL_PREFIX=. -DHeffte_ENABLE_FFTW=ON -DHeffte_ENABLE_CUDA=ON -DHeffte_DISABLE_GPU_AWARE_MPI=ON ..
+>> cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_STANDARD=17 -DBUILD_SHARED_LIBS=OFF -DCMAKE_INSTALL_PREFIX=. -DHeffte_ENABLE_FFTW=ON -DHeffte_ENABLE_CUDA=ON -DHeffte_DISABLE_GPU_AWARE_MPI=OFF ..
 
 >> make -j4
 >> make install

diff --git a/ExampleCodes/heFFTe/Poisson/README b/ExampleCodes/heFFTe/Poisson/README
@@ -30,7 +30,7 @@ NVIDIA/CUDA BUILD
 ######################
 
 # NOTE: -DCMAKE_INSTALL_PREFIX can be a different location /path/to/DCMAKE_INSTALL_PREFIX
-# NOTE: -DHeffte_DISABLE_GPU_AWARE_MPI=OFF is not working on perlmutter
+# NOTE: If you configure with -DHeffte_DISABLE_GPU_AWARE_MPI=OFF, you must use --gpu-bind=none in your slurm script
 
 >> cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_STANDARD=17 -DBUILD_SHARED_LIBS=OFF -DCMAKE_INSTALL_PREFIX=. -DHeffte_ENABLE_FFTW=ON -DHeffte_ENABLE_CUDA=ON -DHeffte_DISABLE_GPU_AWARE_MPI=ON ..