From 95b74577fe5c75e3e8497dc16241b7e6b8d30408 Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Fri, 25 Sep 2026 19:40:33 +0200
Subject: Vacation

---
 examples/one_particle_sedimentation_2d/sim.cpp     |  3 +-
 .../common.hpp                                     | 13 ++++++++
 .../init.hpp                                       |  6 ++--
 .../schaefer_turek_durst_krause_rannbacher/sim.cpp | 16 +++++-----
 .../step.hpp                                       | 12 ++++----
 examples/throat_clog_2d/init.hpp                   | 36 +++++++++++++++-------
 6 files changed, 57 insertions(+), 29 deletions(-)

(limited to 'examples')

diff --git a/examples/one_particle_sedimentation_2d/sim.cpp b/examples/one_particle_sedimentation_2d/sim.cpp
index 86a7b1c..db730d4 100644
--- a/examples/one_particle_sedimentation_2d/sim.cpp
+++ b/examples/one_particle_sedimentation_2d/sim.cpp
@@ -126,7 +126,7 @@ saw::error_or<void> lbm_main(const saw::data<args::LbmArgs>& args){
 	auto lsdm_view = make_view(lbm_sycl_macro_data);
 	auto lsdp_view = make_view(lbm_sycl_particle_data);
 	
-	saw::data<sch::UInt64> time_steps{1024ul * 1024ul};
+	saw::data<sch::UInt64> time_steps{1024ul * 1024ul * 64ul};
 
 	auto& info_f = lsd_view.template get<"info">();
 
@@ -220,6 +220,7 @@ saw::error_or<void> k_main(int argc, char** argv){
 		}
 	}
 	auto& an = args.template get<"args">();
+
 	auto& coupling = an.template get<"coupling">();
 
 	if(coupling.stl_view() == "hlbm"){
diff --git a/examples/schaefer_turek_durst_krause_rannbacher/common.hpp b/examples/schaefer_turek_durst_krause_rannbacher/common.hpp
index 59d2f9c..ac5c94e 100644
--- a/examples/schaefer_turek_durst_krause_rannbacher/common.hpp
+++ b/examples/schaefer_turek_durst_krause_rannbacher/common.hpp
@@ -25,6 +25,19 @@ namespace lbm {
 constexpr uint64_t dim_y = 41u;
 constexpr uint64_t dim_x = 220u;
 
+template<uint64_t N>
+struct dimensions {
+	static constexpr std::array<uint64_t,2u> calculate(){
+		return {dim_x * N + 1u, dim_y * N + 1u};
+	}
+};
+
+template<uint64_t N>
+constexpr std::array<uint64_t,2u> dims{
+	dim_x * N + 1u,
+	dim_y * N + 1u
+};
+
 constexpr uint64_t particle_amount = 1ul;
 
 namespace sch {
diff --git a/examples/schaefer_turek_durst_krause_rannbacher/init.hpp b/examples/schaefer_turek_durst_krause_rannbacher/init.hpp
index 96e2917..45cbaa2 100644
--- a/examples/schaefer_turek_durst_krause_rannbacher/init.hpp
+++ b/examples/schaefer_turek_durst_krause_rannbacher/init.hpp
@@ -41,7 +41,7 @@ saw::error_or<void> init(
 			info_f.at(index).set(3u);
 		},
 		{{0u,0u}},
-		{{1u,dim_y}},
+		{{1u,dim_y*N}},
 		{{0u,1u}}
 	);
 	
@@ -50,8 +50,8 @@ saw::error_or<void> init(
 		[&](auto& index){
 			info_f.at(index).set(4u);
 		},
-		{{dim_x-1u,0u}},
-		{{dim_x, dim_y}},
+		{{dim_x*N-1u,0u}},
+		{{dim_x*N, dim_y*N}},
 		{{0u,1u}}
 	);
 	//
diff --git a/examples/schaefer_turek_durst_krause_rannbacher/sim.cpp b/examples/schaefer_turek_durst_krause_rannbacher/sim.cpp
index 35c04a4..71410b2 100644
--- a/examples/schaefer_turek_durst_krause_rannbacher/sim.cpp
+++ b/examples/schaefer_turek_durst_krause_rannbacher/sim.cpp
@@ -34,7 +34,7 @@ saw::error_or<void> lbm_main(const saw::data<args::LbmArgs>& args){
 	}
 	auto& lbm_dir = eo_lbm_dir.get_value();
 
-	auto out_dir = lbm_dir / "stdkr_2d_gpu" / an.template get<"coupling">().stl_view();
+	auto out_dir = lbm_dir / "stdkr_2d" / std::to_string(N) / an.template get<"coupling">().stl_view();
 
 	{
 		std::error_code ec;
@@ -118,7 +118,7 @@ saw::error_or<void> lbm_main(const saw::data<args::LbmArgs>& args){
 	auto lsdm_view = make_view(lbm_sycl_macro_data);
 	auto lsdp_view = make_view(lbm_sycl_particle_data);
 	
-	saw::data<sch::UInt64> time_steps{64u*1024ul};
+	saw::data<sch::UInt64> time_steps{64u*1024ul * N * N};
 
 	auto& info_f = lsd_view.template get<"info">();
 
@@ -140,7 +140,7 @@ saw::error_or<void> lbm_main(const saw::data<args::LbmArgs>& args){
 				}
 			}
 			{
-				auto eov = write_vtk_file(out_dir,std::string{"ops_2d_"}+an.template get<"coupling">().stl_string(),i.get(), *lbm_macro_data_ptr);
+				auto eov = write_vtk_file(out_dir,std::string{"stdkr_2d_"}+std::to_string(N)+std::string{"_"}+an.template get<"coupling">().stl_string(),i.get(), *lbm_macro_data_ptr);
 				if(eov.is_error()){
 					return eov;
 				}
@@ -150,7 +150,7 @@ saw::error_or<void> lbm_main(const saw::data<args::LbmArgs>& args){
 		sycl_q.submit([&](acpp::sycl::handler& h){
 			component<T,Desc,cmpt::Stream,encode::Sycl<saw::encode::Native>> stream;
 
-			h.parallel_for(acpp::sycl::range<Desc::D>{dim_x,dim_y}, [=](acpp::sycl::id<Desc::D> idx){
+			h.parallel_for(acpp::sycl::range<Desc::D>{dim_x*N,dim_y*N}, [=](acpp::sycl::id<Desc::D> idx){
 				saw::data<sch::FixedArray<sch::UInt64,Desc::D>> index;
 				for(uint64_t i = 0u; i < Desc::D; ++i){
 					index.at({{i}}).set(idx[i]);
@@ -180,7 +180,7 @@ saw::error_or<void> lbm_main(const saw::data<args::LbmArgs>& args){
 		}
 	}
 	{
-		auto eov = write_vtk_file(out_dir,std::string{"stdkr_2d_"}+an.template get<"coupling">().stl_string(),time_steps.get(), *lbm_macro_data_ptr);
+		auto eov = write_vtk_file(out_dir,std::string{"stdkr_2d_"}+std::to_string(N)+std::string{"_"}+an.template get<"coupling">().stl_string(),time_steps.get(), *lbm_macro_data_ptr);
 		if(eov.is_error()){
 			return eov;
 		}
@@ -212,11 +212,11 @@ saw::error_or<void> k_main(int argc, char** argv){
 	auto& coupling = an.template get<"coupling">();
 
 	if(coupling.stl_view() == "hlbm"){
-		return lbm_main<FloatT,DescT,method::Hlbm,2u>(args);
+		return lbm_main<FloatT,DescT,method::Hlbm,1u>(args);
 	} else if(coupling.stl_view() == "fplbm"){
-		return lbm_main<FloatT,DescT,method::FpLbm,2u>(args);
+		return lbm_main<FloatT,DescT,method::FpLbm,1u>(args);
 	} else if(coupling.stl_view() == "psm"){
-		return lbm_main<FloatT,DescT,method::Psm,2u>(args);
+		return lbm_main<FloatT,DescT,method::Psm,1u>(args);
 	}
 
 	return saw::make_error<saw::err::critical>("Invalid coupling");
diff --git a/examples/schaefer_turek_durst_krause_rannbacher/step.hpp b/examples/schaefer_turek_durst_krause_rannbacher/step.hpp
index e88f262..3e5f9ba 100644
--- a/examples/schaefer_turek_durst_krause_rannbacher/step.hpp
+++ b/examples/schaefer_turek_durst_krause_rannbacher/step.hpp
@@ -23,7 +23,7 @@ saw::error_or<void> step(
 	if constexpr ( std::is_same_v<Coll, method::Hlbm> ){
 		q.submit([&](acpp::sycl::handler& h){
 			component<T,Desc,cmpt::HlbmReset,encode::Sycl<saw::encode::Native>> hlbm_reset;
-			h.parallel_for(acpp::sycl::range<Desc::D>{dim_x,dim_y}, [=](acpp::sycl::id<Desc::D> idx){
+			h.parallel_for(acpp::sycl::range<Desc::D>{dim_x*N,dim_y*N}, [=](acpp::sycl::id<Desc::D> idx){
 				saw::data<sch::FixedArray<sch::UInt64,Desc::D>> index;
 				for(uint64_t i = 0u; i < Desc::D; ++i){
 					index.at({{i}}).set(idx[i]);
@@ -50,7 +50,7 @@ saw::error_or<void> step(
 			component<T,Desc,cmpt::BounceBack,encode::Sycl<saw::encode::Native>> bb;
 			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){
+			h.parallel_for(acpp::sycl::range<Desc::D>{dim_x*N,dim_y*N}, [=](acpp::sycl::id<Desc::D> idx){
 				saw::data<sch::FixedArray<sch::UInt64,Desc::D>> index;
 				for(uint64_t i = 0u; i < Desc::D; ++i){
 					index.at({{i}}).set(idx[i]);
@@ -96,7 +96,7 @@ saw::error_or<void> step(
 	}else if constexpr ( std::is_same_v<Coll, method::FpLbm> ){
 		q.submit([&](acpp::sycl::handler& h){
 			component<T,Desc,cmpt::FpLbmReset,encode::Sycl<saw::encode::Native>> fplbm_reset;
-			h.parallel_for(acpp::sycl::range<Desc::D>{dim_x,dim_y}, [=](acpp::sycl::id<Desc::D> idx){
+			h.parallel_for(acpp::sycl::range<Desc::D>{dim_x*N,dim_y*N}, [=](acpp::sycl::id<Desc::D> idx){
 				saw::data<sch::FixedArray<sch::UInt64,Desc::D>> index;
 				for(uint64_t i = 0u; i < Desc::D; ++i){
 					index.at({{i}}).set(idx[i]);
@@ -126,7 +126,7 @@ saw::error_or<void> step(
 			component<T,Desc,cmpt::BounceBack,encode::Sycl<saw::encode::Native>> bb;
 			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){
+			h.parallel_for(acpp::sycl::range<Desc::D>{dim_x*N,dim_y*N}, [=](acpp::sycl::id<Desc::D> idx){
 				saw::data<sch::FixedArray<sch::UInt64,Desc::D>> index;
 				for(uint64_t i = 0u; i < Desc::D; ++i){
 					index.at({{i}}).set(idx[i]);
@@ -172,7 +172,7 @@ saw::error_or<void> step(
 	}else if constexpr ( std::is_same_v<Coll, method::Psm> ){
 		q.submit([&](acpp::sycl::handler& h){
 			component<T,Desc,cmpt::PsmReset,encode::Sycl<saw::encode::Native>> fplbm_reset;
-			h.parallel_for(acpp::sycl::range<Desc::D>{dim_x,dim_y}, [=](acpp::sycl::id<Desc::D> idx){
+			h.parallel_for(acpp::sycl::range<Desc::D>{dim_x*N,dim_y*N}, [=](acpp::sycl::id<Desc::D> idx){
 				saw::data<sch::FixedArray<sch::UInt64,Desc::D>> index;
 				for(uint64_t i = 0u; i < Desc::D; ++i){
 					index.at({{i}}).set(idx[i]);
@@ -202,7 +202,7 @@ saw::error_or<void> step(
 			component<T,Desc,cmpt::BounceBack,encode::Sycl<saw::encode::Native>> bb;
 			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){
+			h.parallel_for(acpp::sycl::range<Desc::D>{dim_x*N,dim_y*N}, [=](acpp::sycl::id<Desc::D> idx){
 				saw::data<sch::FixedArray<sch::UInt64,Desc::D>> index;
 				for(uint64_t i = 0u; i < Desc::D; ++i){
 					index.at({{i}}).set(idx[i]);
diff --git a/examples/throat_clog_2d/init.hpp b/examples/throat_clog_2d/init.hpp
index 69225be..06ff179 100644
--- a/examples/throat_clog_2d/init.hpp
+++ b/examples/throat_clog_2d/init.hpp
@@ -35,19 +35,33 @@ saw::error_or<void> init(
 		{{1u,1u}}
 	);
 
+	auto dims = info_f.get_dims();
+	auto width = dims.at({{0u}});
+	auto height = dims.at({{1u}});
+	// 
+	auto w = width.template cast_to<T>();
+	auto h = height.template cast_to<T>();
+	auto w2 = w * 0.5;
+	auto h4 = h * 0.25;
+
+	saw::data<T> e{0.1};
+	saw::data<T> c = saw::data<T>{1.0} - e;
+
+	saw::data<T> d{0.2};
+	auto b = (saw::data<T>{1.0} - d) * 0.5;
+
+	auto p_r = (c*c + b*b) / (b*2);
+	auto p_i = p_r - b;
+
+	// Circle Top
+	saw::data<sch::FixedArray<sch::Int64,2u>> top_pos{w2.get(),h + p_i};
+
+	// Circle Bot
+	saw::data<sch::FixedArray<sch::Int64,2u>> bot_pos{w2.get(),-p_i.get()};
+
 	iterator<Desc::D>::apply(
 		[&](auto& index){
-			auto dims = info_f.get_dims();
-			auto width = dims.at({{0u}});
-			auto height = dims.at({{1u}});
-			// 
-			auto w2 = width / 2;
-			auto h4 = height / 4;
-			// Circle Top
-			saw::data<sch::FixedArray<sch::Int64,2u>> top_pos{{w2.get(),(height+h4).get()}};
-
-			// Circle Bot
-			saw::data<sch::FixedArray<sch::Int64,2u>> bot_pos{{w2.get(),-h4.get()}};
+
 
 		},
 		{},
-- 
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