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Diffstat (limited to 'examples/poiseulle_particles_2d_gpu/sim.cpp')
-rw-r--r--examples/poiseulle_particles_2d_gpu/sim.cpp25
1 files changed, 13 insertions, 12 deletions
diff --git a/examples/poiseulle_particles_2d_gpu/sim.cpp b/examples/poiseulle_particles_2d_gpu/sim.cpp
index 01fec89..1832965 100644
--- a/examples/poiseulle_particles_2d_gpu/sim.cpp
+++ b/examples/poiseulle_particles_2d_gpu/sim.cpp
@@ -10,9 +10,10 @@
namespace kel {
namespace lbm {
-constexpr uint64_t dim_x = 1024ul;
constexpr uint64_t dim_y = 512ul;
-constexpr uint64_t particle_size = 1ul;
+constexpr uint64_t dim_x = dim_y * 20ul;
+
+constexpr uint64_t particle_amount = 1ul;
namespace sch {
using namespace saw::schema;
@@ -60,7 +61,7 @@ template<typename T, typename Desc>
saw::error_or<void> setup_initial_conditions(
saw::data<sch::ChunkStruct<T,Desc>>& fields,
saw::data<sch::MacroStruct<T,Desc>>& macros,
- saw::data<sch::FixedArray<sch::Particle<T,Desc::D>, particle_size>>& particles
+ saw::data<sch::FixedArray<sch::Particle<T,Desc::D>, particle_amount>>& particles
){
auto& info_f = fields.template get<"info">();
auto& porous_f = macros.template get<"porosity">();
@@ -142,7 +143,7 @@ saw::error_or<void> setup_initial_conditions(
iterator<Desc::D>::apply(
[&](auto& index){
saw::data<sch::Vector<T,Desc::D>> middle, ind_vec;
- middle.at({{0u}}) = dim_x * 0.5;
+ middle.at({{0u}}) = dim_x * 0.25;
middle.at({{1u}}) = dim_y * 0.5;
ind_vec.at({{0u}}) = index.at({{0u}}).template cast_to<T>();
@@ -150,7 +151,7 @@ saw::error_or<void> setup_initial_conditions(
auto dist = middle - ind_vec;
auto dist_2 = saw::math::dot(dist,dist);
- if(dist_2.at({}).get() < 128*128){
+ if(dist_2.at({}).get() < dim_y*dim_y*0.01){
porous_f.at(index).at({}) = 0.0;
}
},
@@ -158,14 +159,14 @@ saw::error_or<void> setup_initial_conditions(
df_f.get_dims()
);
- for(saw::data<sch::UInt64> i{0u}; i < saw::data<sch::UInt64>{particle_size}; ++i){
+ for(saw::data<sch::UInt64> i{0u}; i < saw::data<sch::UInt64>{particle_amount}; ++i){
auto& part = particles.at(i);
saw::data<sch::Vector<T,Desc::D>> pos;
- pos.at({{0u}}) = dim_x * 0.5;
+ pos.at({{0u}}) = dim_x * 0.25;
pos.at({{1u}}) = dim_y * 0.5;
saw::data<sch::Scalar<T>> rad, dense, dt;
- rad.at({}) = dim_y * 0.2;
+ rad.at({}) = dim_y * 0.1;
dense.at({}) = 1.0;
dt.at({}) = 1.0;
part = create_spheroid_particle(
@@ -182,7 +183,7 @@ template<typename T, typename Desc>
saw::error_or<void> step(
saw::data<sch::Ptr<sch::ChunkStruct<T,Desc>>,encode::Sycl<saw::encode::Native>>& fields,
saw::data<sch::Ptr<sch::MacroStruct<T,Desc>>,encode::Sycl<saw::encode::Native>>& macros,
- saw::data<sch::FixedArray<sch::Particle<T,Desc::D>, particle_size>>& particles,
+ saw::data<sch::FixedArray<sch::Particle<T,Desc::D>, particle_amount>>& particles,
saw::data<sch::UInt64> t_i,
device& dev
){
@@ -316,12 +317,12 @@ saw::error_or<void> lbm_main(int argc, char** argv){
{{1.0}}
};
- print_lbm_meta<T,Desc>(conv,{0.01},{0.1},{1024.0});
+ print_lbm_meta<T,Desc>(conv,{0.01},{0.01},{0.4 * dim_y});
// saw::data<sch::FixedArray<sch::UInt64,Desc::D>> meta{{dim_x,dim_y}};
auto lbm_data_ptr = saw::heap<saw::data<sch::ChunkStruct<T,Desc>>>();
auto lbm_macro_data_ptr = saw::heap<saw::data<sch::MacroStruct<T,Desc>>>();
- auto lbm_particle_data_ptr = saw::heap<saw::data<sch::FixedArray<sch::Particle<T,Desc::D>, particle_size>>>();
+ auto lbm_particle_data_ptr = saw::heap<saw::data<sch::FixedArray<sch::Particle<T,Desc::D>, particle_amount>>>();
std::cout<<"Estimated Bytes: "<<memory_estimate<sch::ChunkStruct<T,Desc>,sch::MacroStruct<T,Desc>>().get()<<std::endl;
@@ -355,7 +356,7 @@ saw::error_or<void> lbm_main(int argc, char** argv){
saw::data<sch::ChunkStruct<T,Desc>, encode::Sycl<saw::encode::Native>> lbm_sycl_data{sycl_q};
saw::data<sch::MacroStruct<T,Desc>, encode::Sycl<saw::encode::Native>> lbm_sycl_macro_data{sycl_q};
- saw::data<sch::FixedArray<sch::Particle<T,Desc::D>, particle_size>, encode::Sycl<saw::encode::Native>> lbm_sycl_particle_data{sycl_q};
+ saw::data<sch::FixedArray<sch::Particle<T,Desc::D>, particle_amount>, encode::Sycl<saw::encode::Native>> lbm_sycl_particle_data{sycl_q};
sycl_q.wait();
auto lsd_view = make_chunk_struct_view(lbm_sycl_data);