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authorClaudius "keldu" Holeksa <mail@keldu.de>2026-04-22 16:49:30 +0200
committerClaudius "keldu" Holeksa <mail@keldu.de>2026-04-22 16:49:30 +0200
commit1aee54ea763a19590f4aa41f991cef8f91cf6a93 (patch)
tree7e45e43e9152520d97f991d62dd86362c27cd054 /examples/poiseulle_particles_2d_psm_gpu/sim.cpp
parent0f0af5c3e095637c7ede1c8dc20b248a3471dc3a (diff)
parent45ebf7411d687ab5530431ab1bcc74edb0499c69 (diff)
downloadlibs-lbm-1aee54ea763a19590f4aa41f991cef8f91cf6a93.tar.gz
Merge branch 'dev'
Diffstat (limited to 'examples/poiseulle_particles_2d_psm_gpu/sim.cpp')
-rw-r--r--examples/poiseulle_particles_2d_psm_gpu/sim.cpp19
1 files changed, 11 insertions, 8 deletions
diff --git a/examples/poiseulle_particles_2d_psm_gpu/sim.cpp b/examples/poiseulle_particles_2d_psm_gpu/sim.cpp
index 7e76da6..75d1a14 100644
--- a/examples/poiseulle_particles_2d_psm_gpu/sim.cpp
+++ b/examples/poiseulle_particles_2d_psm_gpu/sim.cpp
@@ -207,9 +207,9 @@ saw::error_or<void> step(
[&](){
uint64_t target_t_i = 64u;
if(t_i.get() < target_t_i){
- return 1.0 + (0.0015 / target_t_i) * t_i.get();
+ return 1.0 + (0.0002 / target_t_i) * t_i.get();
}
- return 1.0015;
+ return 1.0002;
}()
};
component<T,Desc,cmpt::ZouHeHorizontal<false>,encode::Sycl<saw::encode::Native>> flow_out{1.0};
@@ -227,7 +227,7 @@ saw::error_or<void> step(
case 0u:
break;
case 1u:
- abb.apply(fields,index,t_i);
+ bb.apply(fields,index,t_i);
break;
case 2u:
collision.apply(fields,macros,index,t_i);
@@ -289,12 +289,12 @@ saw::error_or<void> lbm_main(int argc, char** argv){
converter<T> conv {
// delta_x
- {{1e-3}},
+ {{1.0}},
// delta_t
- {{1e-06}}
+ {{1.0}}
};
- print_lbm_meta<T,Desc>(conv,{0.1},{1e-2},{0.4 * dim_y *1e-3});
+ print_lbm_meta<T,Desc>(conv,{0.1},{1e-4},{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>>>();
@@ -340,8 +340,6 @@ saw::error_or<void> lbm_main(int argc, char** argv){
saw::data<sch::MacroStruct<T,Desc>, encode::Sycl<saw::encode::Native>> lbm_sycl_macro_data{sycl_q};
sycl_q.wait();
- auto lsd_view = make_chunk_struct_view(lbm_sycl_data);
- auto lsdm_view = make_chunk_struct_view(lbm_sycl_macro_data);
{
auto eov = dev.copy_to_device(*lbm_data_ptr,lbm_sycl_data);
if(eov.is_error()){
@@ -355,6 +353,9 @@ 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);
+
saw::data<sch::UInt64> time_steps{16u*4096ul};
auto& info_f = lsd_view.template get<"info">();
@@ -368,6 +369,7 @@ saw::error_or<void> lbm_main(int argc, char** argv){
}
}
sycl_q.wait();
+ /*
if(i.get() % 32u == 0u){
{
auto eov = dev.copy_to_host(lbm_sycl_macro_data,*lbm_macro_data_ptr);
@@ -382,6 +384,7 @@ saw::error_or<void> lbm_main(int argc, char** argv){
}
}
}
+ */
/*
{
{