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Add fixes for Delta PrgEnv-nvidia #1258

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Merged
sbryngelson merged 2 commits into from
Feb 24, 2026
Merged

Add fixes for Delta PrgEnv-nvidia #1258

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afe6058
Add fixes for Delta PrgEnv-nvidia
wilfonba Feb 24, 2026
eee7a24
Merge branch 'master' into DeltaFix
sbryngelson Feb 24, 2026
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3 changes: 3 additions & 0 deletions CMakeLists.txt
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Expand Up @@ -238,6 +238,9 @@ if (CMAKE_BUILD_TYPE STREQUAL "Release")
if (CMAKE_Fortran_COMPILER_ID STREQUAL "NVHPC")
if (MFC_Unified)
message(STATUS "LTO/IPO is not available with NVHPC using Unified Memory")
elseif (CMAKE_Fortran_COMPILER_VERSION VERSION_GREATER "24.11" AND CMAKE_Fortran_COMPILER_VERSION VERSION_LESS "25.9")
message(STATUS "LTO/IPO is not supported in NVHPC Version 24.11 to 25.9. Use >=25.9 or (<=24.11 && > 23.11) Performance will be degraded.")
set(NVHPC_USE_TWO_PASS_IPO FALSE)
elseif(CMAKE_Fortran_COMPILER_VERSION VERSION_LESS "23.11")
message(STATUS "LTO/IPO is not supported in NVHPC Version < 23.11. Use a newer version of NVHPC for best performance.")
else()
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4 changes: 2 additions & 2 deletions toolchain/modules
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Expand Up @@ -57,9 +57,9 @@ tuo-gpu craype-accel-amd-gfx942
tuo-gpu HSA_XNACK=0

d NCSA Delta
d-all python/3.11.6
d-all python
d-cpu gcc/11.4.0 openmpi
d-gpu nvhpc/24.1 cuda/12.3.0 openmpi/4.1.5+cuda cmake
d-gpu PrgEnv-nvidia/8.6.0
d-gpu CC=nvc CXX=nvc++ FC=nvfortran
d-gpu MFC_CUDA_CC=80,86

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5 changes: 3 additions & 2 deletions toolchain/templates/delta.mako
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Expand Up @@ -36,8 +36,9 @@ cd "${MFC_ROOT_DIR}"
cd - > /dev/null
echo

# Fixes Delta not being able to find core library file
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/sw/spack/deltas11-2023-03/apps/linux-rhel8-zen3/nvhpc-24.1/openmpi-4.1.5-zkiklxi/lib/
% if gpu_enabled:
export MPICH_GPU_SUPPORT_ENABLED=0 # Disable GPU-Direct MPI
% endif

% for target in targets:
${helpers.run_prologue(target)}
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