summaryrefslogtreecommitdiff
path: root/examples
diff options
context:
space:
mode:
authorClaudius "keldu" Holeksa <mail@keldu.de>2026-06-11 14:07:27 +0200
committerClaudius "keldu" Holeksa <mail@keldu.de>2026-06-11 14:07:27 +0200
commit4c9e43a42c15ce93ffded21dfcaa171f63d20d69 (patch)
tree13a8e06228070a1989be24ba09130a5ccbafeb45 /examples
parentad0efe4d0e43a2a4f122677578107c2a0398e53f (diff)
downloadlibs-lbm-4c9e43a42c15ce93ffded21dfcaa171f63d20d69.tar.gz
Fixing deduction issues from constexpr values
Diffstat (limited to 'examples')
-rw-r--r--examples/poiseulle_particles_2d_gpu/common.hpp2
-rw-r--r--examples/poiseulle_particles_2d_gpu/init.hpp7
-rw-r--r--examples/poiseulle_particles_2d_gpu/sim.cpp35
-rw-r--r--examples/poiseulle_particles_2d_gpu/step.hpp7
4 files changed, 36 insertions, 15 deletions
diff --git a/examples/poiseulle_particles_2d_gpu/common.hpp b/examples/poiseulle_particles_2d_gpu/common.hpp
index a69a2cf..6c05b64 100644
--- a/examples/poiseulle_particles_2d_gpu/common.hpp
+++ b/examples/poiseulle_particles_2d_gpu/common.hpp
@@ -55,7 +55,7 @@ using MacroStruct = Struct<
>;
template<typename T, typename Desc>
-using ParticleSpheroidGroup = ParticleGroup<T,Desc::D,ParticleCollisionSpheroid<T,2.0f>>;
+using ParticleSpheroidGroup = ParticleGroup<T,Desc::D,coll::Spheroid<T>>;
}
}
diff --git a/examples/poiseulle_particles_2d_gpu/init.hpp b/examples/poiseulle_particles_2d_gpu/init.hpp
index 70d59fc..617b296 100644
--- a/examples/poiseulle_particles_2d_gpu/init.hpp
+++ b/examples/poiseulle_particles_2d_gpu/init.hpp
@@ -7,10 +7,13 @@ namespace lbm {
template<typename T, typename Desc>
saw::error_or<void> setup_initial_conditions(
+ const converter<T>& conv,
saw::data<sch::ChunkStruct<T,Desc>>& fields,
saw::data<sch::MacroStruct<T,Desc>>& macros,
saw::data<sch::ParticleSpheroidGroup<T,Desc>>& particles
){
+ (void) conv;
+
auto& info_f = fields.template get<"info">();
auto& porous_f = macros.template get<"porosity">();
// Set everything as walls
@@ -110,9 +113,11 @@ saw::error_or<void> setup_initial_conditions(
);
{
+ saw::data<sch::Scalar<T>> radius_p;
+ radius_p.at({}).set(2);
saw::data<sch::Scalar<T>> dense_p;
dense_p.at({}).set(1);
- particles = create_spheroid_particle_group<T,Desc::D,2.0f>(dense_p, {{16u}});
+ particles = create_spheroid_particle_group<T,Desc::D>(radius_p, dense_p, {{16u}});
}
return saw::make_void();
diff --git a/examples/poiseulle_particles_2d_gpu/sim.cpp b/examples/poiseulle_particles_2d_gpu/sim.cpp
index 42710f1..47c5daa 100644
--- a/examples/poiseulle_particles_2d_gpu/sim.cpp
+++ b/examples/poiseulle_particles_2d_gpu/sim.cpp
@@ -7,11 +7,16 @@
/**
* For deciding what parameters to use maybe?
*/
-namespace sch {
+namespace args {
using namespace saw::schema;
+using LbmArgsStruct = Struct<
+ Member<UInt8,"use_slip">,
+ Member<String, "coupling">
+>;
+
using LbmArgs = Args<
- Struct<>,
+ LbmArgsStruct,
Tuple<>
>;
}
@@ -22,6 +27,13 @@ saw::error_or<void> lbm_main(int argc, char** argv){
using dfi = df_info<T,Desc>;
+ auto eo_args = saw::parse_args<args::LbmArgs>(argc,argv);
+ if(eo_args.is_error()){
+ return std::move(eo_args.get_error());
+ }
+ auto& args = eo_args.get_value();
+ (void)args;
+
auto eo_lbm_dir = output_directory();
if(eo_lbm_dir.is_error()){
return std::move(eo_lbm_dir.get_error());
@@ -51,7 +63,7 @@ saw::error_or<void> lbm_main(int argc, char** argv){
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::ParticleSpheroidGroup<T,Desc>>>();
-
+
std::cout<<"Estimated Bytes: "<<memory_estimate<sch::ChunkStruct<T,Desc>,sch::MacroStruct<T,Desc>>().get()<<std::endl;
auto eo_aio = saw::setup_async_io();
@@ -76,7 +88,7 @@ saw::error_or<void> lbm_main(int argc, char** argv){
sycl_q.wait();
{
- auto eov = setup_initial_conditions<T,Desc>(*lbm_data_ptr,*lbm_macro_data_ptr,*lbm_particle_data_ptr);
+ auto eov = setup_initial_conditions<T,Desc>(conv,*lbm_data_ptr,*lbm_macro_data_ptr,*lbm_particle_data_ptr);
if(eov.is_error()){
return eov;
}
@@ -106,21 +118,24 @@ saw::error_or<void> lbm_main(int argc, char** argv){
}
}
sycl_q.wait();
+
auto lsd_view = make_view(lbm_sycl_data);
auto lsdm_view = make_view(lbm_sycl_macro_data);
auto lsdp_view = make_view(lbm_sycl_particle_data);
saw::data<sch::UInt64> time_steps{16u*4096ul};
+
auto& info_f = lsd_view.template get<"info">();
for(saw::data<sch::UInt64> i{0u}; i < time_steps and krun; ++i){
// BC + Collision
{
- auto eov = step<T,Desc>(lsd_view,lsdm_view,lsdp_view,i,dev);
+ auto eov = step<T,Desc>(conv,lsd_view,lsdm_view,lsdp_view,i,dev);
if(eov.is_error()){
return eov;
}
}
+
sycl_q.wait();
if(i.get() % 32u == 0u){
{
@@ -145,22 +160,22 @@ saw::error_or<void> lbm_main(int argc, char** argv){
for(uint64_t i = 0u; i < Desc::D; ++i){
index.at({{i}}).set(idx[i]);
}
-
- auto info = info_f.at(index);
-
- if(info.get() > 0u){
+
+ auto info = info_f.at(index).get();
+
+ if(info > 0u){
stream.apply(lsd_view,index,i);
}
});
}).wait();
wait.poll();
+
if(print_status){
std::cout<<"Status: "<<i.get()<<" of "<<time_steps.get()<<" - "<<(i.template cast_to<sch::Float64>().get() * 100 / time_steps.get())<<"%"<<std::endl;
print_status = false;
}
print_progress_bar(i.get(), time_steps.get()-1u);
}
-
// After Loop
sycl_q.wait();
{
diff --git a/examples/poiseulle_particles_2d_gpu/step.hpp b/examples/poiseulle_particles_2d_gpu/step.hpp
index a4e44b4..52e8c59 100644
--- a/examples/poiseulle_particles_2d_gpu/step.hpp
+++ b/examples/poiseulle_particles_2d_gpu/step.hpp
@@ -7,6 +7,7 @@ namespace lbm {
template<typename T, typename Desc>
saw::error_or<void> step(
+ const converter<T>& conv,
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::Ptr<sch::ParticleSpheroidGroup<T,Desc>>,encode::Sycl<saw::encode::Native>>& particles,
@@ -19,7 +20,8 @@ saw::error_or<void> step(
// auto coll_ev =
q.submit([&](acpp::sycl::handler& h){
- component<T,Desc,cmpt::Hlbm,encode::Sycl<saw::encode::Native>> collision{0.65};
+ component<T,Desc,cmpt::Hlbm,encode::Sycl<saw::encode::Native>> collision{0.8};
+ component<T,Desc,cmpt::HlbmParticle,encode::Sycl<saw::encode::Native>> particle;
component<T,Desc,cmpt::BounceBack,encode::Sycl<saw::encode::Native>> bb;
component<T,Desc,cmpt::AntiBounceBack<0u>,encode::Sycl<saw::encode::Native>> abb;
@@ -32,7 +34,7 @@ saw::error_or<void> step(
component<T,Desc,cmpt::ZouHeHorizontal<true>,encode::Sycl<saw::encode::Native>> flow_in{
[&](){
- uint64_t target_t_i = 64u;
+ uint64_t target_t_i = 16u;
if(t_i.get() < target_t_i){
return 1.0 + (0.0002 / target_t_i) * t_i.get();
}
@@ -41,7 +43,6 @@ saw::error_or<void> step(
};
component<T,Desc,cmpt::ZouHeHorizontal<false>,encode::Sycl<saw::encode::Native>> flow_out{1.0};
-
h.parallel_for(acpp::sycl::range<Desc::D>{dim_x,dim_y}, [=](acpp::sycl::id<Desc::D> idx){
saw::data<sch::FixedArray<sch::UInt64,Desc::D>> index;
for(uint64_t i = 0u; i < Desc::D; ++i){