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path: root/Source/FieldSolver/WarpXFFT.cpp
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-rw-r--r--Source/FieldSolver/WarpXFFT.cpp19
1 files changed, 17 insertions, 2 deletions
diff --git a/Source/FieldSolver/WarpXFFT.cpp b/Source/FieldSolver/WarpXFFT.cpp
index 4bccc956b..13d92f6f3 100644
--- a/Source/FieldSolver/WarpXFFT.cpp
+++ b/Source/FieldSolver/WarpXFFT.cpp
@@ -56,6 +56,7 @@ BuildFFTOwnerMask (const MultiFab& mf, const Geometry& geom)
for (const auto& b : bl) {
fab.setVal(nonowner, b, 0, 1);
}
+
}
return mask;
@@ -89,7 +90,7 @@ CopyDataFromFFTToValid (MultiFab& mf, const MultiFab& mf_fft, const BoxArray& ba
const FArrayBox& srcfab = mf_fft[mfi];
const Box& srcbox = srcfab.box();
-
+
if (srcbox.contains(bx))
{
// Copy the interior region (without guard cells)
@@ -107,6 +108,8 @@ CopyDataFromFFTToValid (MultiFab& mf, const MultiFab& mf_fft, const BoxArray& ba
// the cell that has non-zero mask is the one which is retained.
mf.setVal(0.0, 0);
mf.ParallelAdd(mftmp);
+
+
}
}
@@ -130,7 +133,11 @@ WarpX::AllocLevelDataFFT (int lev)
// Allocate and initialize objects for the spectral solver
// (all use the same distribution mapping)
std::array<Real,3> dx = CellSize(lev);
- RealVect dx_vect = RealVect( AMREX_D_DECL(dx[0], dx[1], dx[2]) );
+#if (AMREX_SPACEDIM == 3)
+ RealVect dx_vect(dx[0], dx[1], dx[2]);
+#elif (AMREX_SPACEDIM == 2)
+ RealVect dx_vect(dx[0], dx[2]);
+#endif
spectral_solver_fp[lev].reset( new SpectralSolver( ba_fp_fft, dm_fp_fft,
nox_fft, noy_fft, noz_fft, do_nodal, dx_vect, dt[lev] ) );
}
@@ -403,6 +410,7 @@ WarpX::PushPSATD (int lev, amrex::Real /* dt */)
BL_PROFILE_VAR_START(blp_push_eb);
if (fft_hybrid_mpi_decomposition){
+#ifndef AMREX_USE_CUDA // When running on CPU: use PICSAR code
if (Efield_fp_fft[lev][0]->local_size() == 1)
//Only one FFT patch on this MPI
{
@@ -443,6 +451,9 @@ WarpX::PushPSATD (int lev, amrex::Real /* dt */)
{
amrex::Abort("WarpX::PushPSATD: TODO");
}
+#else // AMREX_USE_CUDA is defined ; running on GPU
+ amrex::Abort("The option `psatd.fft_hybrid_mpi_decomposition` does not work on GPU.");
+#endif
} else {
// Not using the hybrid decomposition
auto& solver = *spectral_solver_fp[lev];
@@ -470,6 +481,7 @@ WarpX::PushPSATD (int lev, amrex::Real /* dt */)
solver.BackwardTransform(*Bfield_fp_fft[lev][0], SpectralFieldIndex::Bx);
solver.BackwardTransform(*Bfield_fp_fft[lev][1], SpectralFieldIndex::By);
solver.BackwardTransform(*Bfield_fp_fft[lev][2], SpectralFieldIndex::Bz);
+
}
BL_PROFILE_VAR_STOP(blp_push_eb);
@@ -486,4 +498,7 @@ WarpX::PushPSATD (int lev, amrex::Real /* dt */)
{
amrex::Abort("WarpX::PushPSATD: TODO");
}
+
}
+
+