From 45ebf7411d687ab5530431ab1bcc74edb0499c69 Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Wed, 22 Apr 2026 16:48:50 +0200
Subject: Working on equalizing poiseulle_particle channel methods

---
 examples/poiseulle_particles_2d_bgk_gpu/sim.cpp  | 13 ++++++++-----
 examples/poiseulle_particles_2d_hlbm_gpu/sim.cpp | 16 ++++++++--------
 examples/poiseulle_particles_2d_psm_gpu/sim.cpp  | 12 ++++++------
 3 files changed, 22 insertions(+), 19 deletions(-)

(limited to 'examples')

diff --git a/examples/poiseulle_particles_2d_bgk_gpu/sim.cpp b/examples/poiseulle_particles_2d_bgk_gpu/sim.cpp
index 69e94c3..b8ac35e 100644
--- a/examples/poiseulle_particles_2d_bgk_gpu/sim.cpp
+++ b/examples/poiseulle_particles_2d_bgk_gpu/sim.cpp
@@ -183,11 +183,11 @@ 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 = 32u;
 				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};
@@ -212,6 +212,7 @@ saw::error_or<void> step(
 					break;
 				case 3u:
 					flow_in.apply(fields,index,t_i);
+					//equi.apply(fields,index,t_i);
 					collision.apply(fields,macros,index,t_i);
 					break;
 				case 4u:
@@ -266,7 +267,7 @@ saw::error_or<void> lbm_main(int argc, char** argv){
 		{{1.0}}
 	};
 	
-	print_lbm_meta<T,Desc>(conv,{0.05},{0.01},{0.4 * dim_y});
+	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>>>();
@@ -340,7 +341,8 @@ saw::error_or<void> lbm_main(int argc, char** argv){
 			}
 		}
 		sycl_q.wait();
-		{
+		/*
+		if(i.get() % 128u == 0u){
 			{
 				auto eov = dev.copy_to_host(lbm_sycl_macro_data,*lbm_macro_data_ptr);
 				if(eov.is_error()){
@@ -354,6 +356,7 @@ saw::error_or<void> lbm_main(int argc, char** argv){
 				}
 			}
 		}
+		*/
 		/*
 		{
 			{
diff --git a/examples/poiseulle_particles_2d_hlbm_gpu/sim.cpp b/examples/poiseulle_particles_2d_hlbm_gpu/sim.cpp
index df57bbc..7cfd567 100644
--- a/examples/poiseulle_particles_2d_hlbm_gpu/sim.cpp
+++ b/examples/poiseulle_particles_2d_hlbm_gpu/sim.cpp
@@ -191,9 +191,9 @@ 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};
@@ -211,19 +211,19 @@ 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);
 					break;
 				case 3u:
-					//flow_in.apply(fields,index,t_i);
-					equi.apply(fields,index,t_i);
+					flow_in.apply(fields,index,t_i);
+					// equi.apply(fields,index,t_i);
 					collision.apply(fields,macros,index,t_i);
 					break;
 				case 4u:
-					// flow_out.apply(fields,index,t_i);
-					equi.apply(fields,index,t_i);
+					flow_out.apply(fields,index,t_i);
+					// equi.apply(fields,index,t_i);
 					collision.apply(fields,macros,index,t_i);
 				break;
 				default:
@@ -274,7 +274,7 @@ saw::error_or<void> lbm_main(int argc, char** argv){
 		{{1.0}}
 	};
 	
-	print_lbm_meta<T,Desc>(conv,{0.05},{0.01},{0.4 * dim_y});
+	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>>>();
diff --git a/examples/poiseulle_particles_2d_psm_gpu/sim.cpp b/examples/poiseulle_particles_2d_psm_gpu/sim.cpp
index 7768ca4..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>>>();
-- 
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