diff options
Diffstat (limited to 'examples/poiseulle_2d_gpu')
| -rw-r--r-- | examples/poiseulle_2d_gpu/poiseulle_2d_gpu.cpp | 48 |
1 files changed, 22 insertions, 26 deletions
diff --git a/examples/poiseulle_2d_gpu/poiseulle_2d_gpu.cpp b/examples/poiseulle_2d_gpu/poiseulle_2d_gpu.cpp index 56bcdaf..6dda469 100644 --- a/examples/poiseulle_2d_gpu/poiseulle_2d_gpu.cpp +++ b/examples/poiseulle_2d_gpu/poiseulle_2d_gpu.cpp @@ -70,6 +70,10 @@ saw::error_or<void> set_geometry( acpp::sycl::queue& sycl_q ){ using namespace kel::lbm; + + saw::data<sch::T> rho{1.0}; + saw::data<sch::FixedArray<sch::T,sch::D2Q9::D>> vel{{0.0,0.0}}; + auto eq = equilibrium<sch::T,sch::D2Q9>(rho, vel); sycl_q.submit([&](acpp::sycl::handler& h){ h.parallel_for(acpp::sycl::range<2>{meta.at({0}).get(), meta.at({1}).get()},[=](acpp::sycl::id<2> idx){ @@ -79,6 +83,8 @@ saw::error_or<void> set_geometry( size_t acc_id = j * meta.at({0u}).get() + i; auto& c = cells[acc_id]; auto& info = c.template get<"info">()({0}); + auto& dfs = c.template get<"dfs">(); + auto& dfs_old = c.template get<"dfs_old">(); if(i >= 2u and j >= 2u and (i+2u) < meta.at({0u}).get() and (j+2u) < meta.at({1u}).get()){ // Fluid @@ -95,23 +101,16 @@ saw::error_or<void> set_geometry( }else { info.set({0u}); } + for(saw::data<sch::UInt64> k{0u}; k < saw::data<sch::UInt64>{Desc::Q}; ++k){ + dfs(k) = eq.at(k); + dfs_old(k) = eq.at(k); + } }); }); - return saw::make_void(); -} - -void set_initial_conditions( - saw::data<sch::CellStruct>* cells, - const saw::data<sch::FixedArray<sch::UInt64,sch::D2Q9::D>>& meta, - acpp::sycl::queue& sycl_q -){ - using namespace kel::lbm; - - saw::data<sch::T> rho{1.0}; - saw::data<sch::FixedArray<sch::T,sch::D2Q9::D>> vel{{0.0,0.0}}; - auto eq = equilibrium<sch::T,sch::D2Q9>(rho, vel); + sycl_q.wait(); + return saw::make_void(); } void lbm_step( @@ -178,26 +177,23 @@ saw::error_or<void> kel_main(int argc, char** argv){ } } - sycl_q.wait(); - sycl_q.memcpy(&host_cells[0u], cells, x_d * y_d * sizeof(saw::data<lbm::sch::CellStruct>) ); - sycl_q.wait(); - acpp::sycl::free(cells, sycl_q); - sycl_q.wait(); - std::string vtk_f_name{"tmp/poiseulle_2d_gpu_"}; vtk_f_name += std::to_string(0u) + ".vtk"; // write_vtk_file(vtk_f_name,host_cells); - for(uint64_t i = 0u; i < x_d; ++i){ - for(uint64_t j = 0u; j < y_d; ++j){ + for(uint64_t i = 0u; i < 1024u*1204u; ++i){ + if(i%128u == 0u){ - size_t acc_id = j * x_d + i; - - std::cout<<static_cast<uint64_t>(host_cells.at(acc_id).template get<"info">()({0u}).get())<<" "; } - std::cout<<"\n"; + lbm_step(cells,meta,i,sycl_q); + } - std::cout<<std::endl; + + sycl_q.wait(); + sycl_q.memcpy(&host_cells[0u], cells, x_d * y_d * sizeof(saw::data<lbm::sch::CellStruct>) ); + sycl_q.wait(); + acpp::sycl::free(cells, sycl_q); + sycl_q.wait(); return saw::make_void(); } |
