Skip to content

Select the reduction algorithm using SLM when using icpx. #5573

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
prckent merged 1 commit into from
Jul 14, 2025
Merged

Select the reduction algorithm using SLM when using icpx. #5573

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions CMake/IntelCompilers.cmake
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,8 @@ if(QMC_OMP)
CACHE STRING "Offload target architecture")
set(OPENMP_OFFLOAD_COMPILE_OPTIONS "-fopenmp-targets=${OFFLOAD_TARGET}")
endif()
# Select the intra-team reduction implementation using shared local memory.
set(OPENMP_OFFLOAD_COMPILE_OPTIONS "${OPENMP_OFFLOAD_COMPILE_OPTIONS} -mllvm -vpo-paropt-atomic-free-reduction-slm=true" )
endif(ENABLE_OFFLOAD)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fiopenmp")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fiopenmp")
Expand Down
9 changes: 3 additions & 6 deletions config/build_alcf_aurora_icpx.sh
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
#!/bin/bash
# This recipe is intended for ALCF Aurora https://www.alcf.anl.gov/support-center/aurora-sunspot
# last revision: Apr 25th 2025
# last revision: Jul 11th 2025
#
# How to invoke this script?
# build_alcf_aurora_icpx.sh # build all the variants assuming the current directory is the source directory.
Expand Down Expand Up @@ -52,7 +52,6 @@ for name in gpu_real_MP gpu_real gpu_cplx_MP gpu_cplx \
do

CMAKE_FLAGS="-DCMAKE_BUILD_TYPE=$TYPE -DMPIEXEC_PREFLAGS='--cpu-bind;depth;-d;8'"
unset CMAKE_CXX_FLAGS

if [[ $name == *"cplx"* ]]; then
CMAKE_FLAGS="$CMAKE_FLAGS -DQMC_COMPLEX=ON"
Expand All @@ -64,7 +63,6 @@ fi

if [[ $name == *"gpu"* ]]; then
CMAKE_FLAGS="$CMAKE_FLAGS -DQMC_GPU_ARCHS=intel_gpu_pvc"
CMAKE_CXX_FLAGS="-mllvm -vpo-paropt-atomic-free-reduction-slm=true"
fi

folder=build_${Machine}_${Compiler}_${name}
Expand All @@ -76,15 +74,14 @@ fi
echo "**********************************"
echo "folder $folder"
echo "CMAKE_FLAGS: $CMAKE_FLAGS"
echo "CMAKE_CXX_FLAGS: $CMAKE_CXX_FLAGS"
echo "**********************************"

mkdir $folder
cd $folder

if [ ! -f CMakeCache.txt ] ; then
cmake $CMAKE_FLAGS -DCMAKE_CXX_FLAGS="$CMAKE_CXX_FLAGS" \
-DCMAKE_C_COMPILER=mpicc -DCMAKE_CXX_COMPILER=mpicxx $source_folder
cmake -DCMAKE_C_COMPILER=mpicc -DCMAKE_CXX_COMPILER=mpicxx \
$CMAKE_FLAGS $source_folder
fi

if [[ -v install_folder ]]; then
Expand Down
Loading