Enable CPU creation always

apps/showcases/PhaseFieldAllenCahn/CMakeLists.txt

-if ( NOT WALBERLA_BUILD_WITH_CUDA)
 add_subdirectory( CPU )
-endif()
 
 if ( WALBERLA_BUILD_WITH_CUDA)
 add_subdirectory( GPU )

apps/showcases/PhaseFieldAllenCahn/CPU/CMakeLists.txt

@@ -13,7 +13,7 @@ waLBerla_generate_target_from_python(NAME PhaseFieldCodeGenCPU
         stream_hydro.cpp stream_hydro.h
         GenDefines.h)
 
-waLBerla_add_executable(NAME multiphase
+waLBerla_add_executable(NAME multiphaseCPU
         FILES multiphase.cpp PythonExports.cpp InitializerFunctions.cpp contact.cpp CalculateNormals.cpp multiphase_codegen.py
         DEPENDS blockforest core field postprocessing lbm geometry timeloop gui PhaseFieldCodeGenCPU)
 

apps/showcases/PhaseFieldAllenCahn/CPU/multiphase_codegen.py

@@ -164,24 +164,24 @@ with CodeGeneration() as ctx:
     if not ctx.optimize_for_localhost:
         cpu_vec = {'instruction_set': None}
 
-    generate_sweep(ctx, 'initialize_phase_field_distributions', h_updates)
-    generate_sweep(ctx, 'initialize_velocity_based_distributions', g_updates)
+    generate_sweep(ctx, 'initialize_phase_field_distributions', h_updates, target='cpu')
+    generate_sweep(ctx, 'initialize_velocity_based_distributions', g_updates, target='cpu')
 
     generate_sweep(ctx, 'phase_field_LB_step', phase_field_LB_step,
                    field_swaps=[(h, h_tmp)],
                    inner_outer_split=True,
-                   cpu_vectorize_info=cpu_vec)
-    generate_boundary(ctx, 'phase_field_LB_NoSlip', NoSlip(), method_phase)
+                   cpu_vectorize_info=cpu_vec, target='cpu')
+    generate_boundary(ctx, 'phase_field_LB_NoSlip', NoSlip(), method_phase, target='cpu')
 
     generate_sweep(ctx, 'hydro_LB_step', hydro_LB_step,
                    inner_outer_split=True,
-                   cpu_vectorize_info=cpu_vec)
-    generate_boundary(ctx, 'hydro_LB_NoSlip', NoSlip(), method_hydro)
+                   cpu_vectorize_info=cpu_vec, target='cpu')
+    generate_boundary(ctx, 'hydro_LB_NoSlip', NoSlip(), method_hydro, target='cpu')
 
     generate_sweep(ctx, 'stream_hydro', stream_hydro,
                    field_swaps=[(g, g_tmp)],
                    inner_outer_split=True,
-                   cpu_vectorize_info=cpu_vec)
+                   cpu_vectorize_info=cpu_vec, target='cpu')
 
     ctx.write_file("GenDefines.h", info_header)
 

apps/showcases/PhaseFieldAllenCahn/GPU/CMakeLists.txt

@@ -16,7 +16,7 @@ waLBerla_generate_target_from_python(NAME PhaseFieldCodeGenGPU
         PackInfo_velocity_based_distributions.cu PackInfo_velocity_based_distributions.h
         GenDefines.h)
 
-waLBerla_add_executable(NAME multiphase
+waLBerla_add_executable(NAME multiphaseGPU
         FILES multiphase.cpp PythonExports.cpp InitializerFunctions.cpp CalculateNormals.cpp contact.cu multiphase_codegen.py
         DEPENDS blockforest core cuda field postprocessing lbm geometry timeloop gui PhaseFieldCodeGenGPU)