summaryrefslogtreecommitdiff
path: root/examples
diff options
context:
space:
mode:
authorClaudius "keldu" Holeksa <mail@keldu.de>2026-02-26 14:35:57 +0100
committerClaudius "keldu" Holeksa <mail@keldu.de>2026-02-26 14:35:57 +0100
commitd8321ed7a23f7554cd0144c4f5e8dc625bbee4fe (patch)
tree3e899715b9dfbdaff987d15f02e2c9348f2a0b4f /examples
parent73b41bd4eed2be2e92b99d0cb2e3b116b529df74 (diff)
downloadlibs-lbm-d8321ed7a23f7554cd0144c4f5e8dc625bbee4fe.tar.gz
Clean repo for run and make benchmarkable hlbm case
Diffstat (limited to 'examples')
-rw-r--r--examples/meta/meta.cpp20
-rw-r--r--examples/poiseulle_particles_2d_gpu/sim.cpp19
2 files changed, 28 insertions, 11 deletions
diff --git a/examples/meta/meta.cpp b/examples/meta/meta.cpp
index c638021..a3ed7e7 100644
--- a/examples/meta/meta.cpp
+++ b/examples/meta/meta.cpp
@@ -50,6 +50,9 @@ saw::error_or<void> meta_main(int argc, char** argv){
saw::data<sch::MetaArgs> args_dat;
{
+ {
+
+ }
saw::data<sch::MetaArgs, saw::encode::Args> args_enc{argc,argv};
saw::codec<sch::MetaArgs, saw::encode::Args> args_codec;
@@ -66,8 +69,13 @@ saw::error_or<void> meta_main(int argc, char** argv){
switch(args_pos.get<0u>().get()){
case 1u:
{
- assert(false);
- return saw::make_error<saw::err::not_implemented>();
+ switch(args_pos.get<1u>().get()){
+ case 3u:
+ meta_lbm_info<sch::Prec,sch::Descriptor<1u,3u>>(args_str);
+ break;
+ default:
+ return saw::make_error<saw::err::critical>("Second positional needs to be a valid velocity set");
+ }
}
break;
case 2u:
@@ -87,6 +95,14 @@ saw::error_or<void> meta_main(int argc, char** argv){
case 3u:
{
switch(args_pos.get<1u>().get()){
+ case 7u:
+ return saw::make_error<saw::err::not_implemented>("D3Q7 Velocity Set is not implemented");
+ // meta_lbm_info<sch::Prec,sch::Descriptor<3u,19u>>(args_str);
+ break;
+ case 19u:
+ return saw::make_error<saw::err::not_implemented>("D3Q17 Velocity Set is not implemented");
+ // meta_lbm_info<sch::Prec,sch::Descriptor<3u,19u>>(args_str);
+ break;
case 27u:
meta_lbm_info<sch::Prec,sch::Descriptor<3u,27u>>(args_str);
break;
diff --git a/examples/poiseulle_particles_2d_gpu/sim.cpp b/examples/poiseulle_particles_2d_gpu/sim.cpp
index 01fec89..fffcb31 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">();
@@ -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
){
@@ -321,7 +322,7 @@ saw::error_or<void> lbm_main(int argc, char** argv){
// 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);