diff options
| -rw-r--r-- | var/spack/repos/builtin/packages/lammps/package.py | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/var/spack/repos/builtin/packages/lammps/package.py b/var/spack/repos/builtin/packages/lammps/package.py index 663adedcbd..c3d9e76109 100644 --- a/var/spack/repos/builtin/packages/lammps/package.py +++ b/var/spack/repos/builtin/packages/lammps/package.py @@ -824,15 +824,20 @@ class Lammps(CMakePackage, CudaPackage, ROCmPackage, PythonExtension): if spec.satisfies("%aocc"): if spec.satisfies("+intel"): cxx_flags = ( - "-Ofast -fno-math-errno -fno-unroll-loops " + "-O3 -fno-math-errno -fno-unroll-loops " "-fveclib=AMDLIBM -muse-unaligned-vector-move" ) + if spec.satisfies("%aocc@4.1:"): + cxx_flags += ( + " -mllvm -force-gather-overhead-cost=50" + " -mllvm -enable-masked-gather-sequence=false" + ) # add -fopenmp-simd if OpenMP not already turned on if spec.satisfies("~openmp"): cxx_flags += " -fopenmp-simd" cxx_flags += " -DLMP_SIMD_COMPILER -DUSE_OMP_SIMD -DLMP_INTEL_USELRT" else: - cxx_flags = "-Ofast -mfma -fvectorize -funroll-loops" + cxx_flags = "-O3 -mfma -fvectorize -funroll-loops" args.append(self.define("CMAKE_CXX_FLAGS_RELEASE", cxx_flags)) args.append(self.define("CMAKE_CXX_FLAGS_RELWITHDEBINFO", cxx_flags)) |