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#include <kel/lbm/lbm.hpp>
#include <AdaptiveCpp/sycl/sycl.hpp>
#include <forstio/codec/data.hpp>
template<typename T>
using SyclHostAlloc = acpp::sycl::usm_allocator<saw::data<T>, acpp::sycl::usm::alloc::host>;
template<typename T>
using SyclDeviceAlloc = acpp::sycl::usm_allocator<saw::data<T>, acpp::sycl::usm::alloc::device>;
namespace kel {
namespace lbm {
namespace sch {
using namespace saw::schema;
/**
* Basic distribution function
* Base type
* D
* Q
* Scalar factor
* D factor
* Q factor
*/
using T = Float64;
using D2Q9 = Descriptor<2u,9u>;
using DfCell = Cell<T, D2Q9, 0u, 0u, 1u>;
using CellInfo = Cell<UInt8, D2Q9, 1u, 0u, 0u>;
/**
* Basic type for simulation
*/
using CellStruct = Struct<
Member<DfCell, "dfs">,
Member<DfCell, "dfs_old">,
Member<CellInfo, "info">
>;
template<typename T, uint64_t D>
using MacroStruct = Struct<
Member<FixedArray<T,D>, "velocity">,
Member<T, "pressure">
>;
}
namespace cmpt {
template<bool East>
struct PressureBoundaryRestrictedVelocityTo {};
}
/**
* This is massively hacky and expects a lot of conditions
* Either this or mirrored along the horizontal line works
*
* 0 - 2 - 2
* 0 - 3 - 1
* 0 - 3 - 1
* .........
* 0 - 3 - 1
* 0 - 2 - 2
*
*/
void set_geometry(
std::vector<saw::data<sch::Float64>, SyclDeviceAlloc<sch::Float64>>& dfs,
std::vector<saw::data<sch::Float64>, SyclDeviceAlloc<sch::Float64>>& dfs_old,
std::vector<saw::data<sch::UInt8>, SyclDeviceAlloc<sch::UInt8>>& info,
const saw::data<sch::FixedArray<sch::UInt64,sch::D2Q9::D>>& meta,
acpp::sycl::queue& sycl_q
){
using namespace kel::lbm;
}
void set_initial_conditions(
std::vector<saw::data<sch::Float64>, SyclDeviceAlloc<sch::Float64>>& dfs,
std::vector<saw::data<sch::Float64>, SyclDeviceAlloc<sch::Float64>>& dfs_old,
std::vector<saw::data<sch::UInt8>, SyclDeviceAlloc<sch::UInt8>>& info,
const saw::data<sch::FixedArray<sch::UInt64,sch::D2Q9::D>>& meta,
acpp::sycl::queue& sycl_q
){
using namespace kel::lbm;
saw::data<sch::T> rho{1.0};
saw::data<sch::FixedArray<sch::T,sch::D2Q9::D>> vel{{0.0,0.0}};
auto eq = equilibrium<sch::T,sch::D2Q9>(rho, vel);
}
void lbm_step(
std::vector<saw::data<sch::Float64>, SyclDeviceAlloc<sch::Float64>>& dfs,
std::vector<saw::data<sch::Float64>, SyclDeviceAlloc<sch::Float64>>& dfs_old,
std::vector<saw::data<sch::UInt8>, SyclDeviceAlloc<sch::UInt8>>& info,
const saw::data<sch::FixedArray<sch::UInt64,sch::D2Q9::D>>& meta,
uint64_t time_step,
acpp::sycl::queue& sycl_q
){
using namespace kel::lbm;
using dfi = df_info<sch::T,sch::D2Q9>;
bool even_step = ((time_step % 2u) == 0u);
/**
* 1. Relaxation parameter \tau
*/
component<sch::T, sch::D2Q9, cmpt::BGK> coll{0.5384};
component<sch::T, sch::D2Q9, cmpt::BounceBack> bb;
component<sch::T, sch::D2Q9, cmpt::PressureBoundaryRestrictedVelocityTo<true>> inlet{1.01 * dfi::cs2};
component<sch::T, sch::D2Q9, cmpt::PressureBoundaryRestrictedVelocityTo<false>> outlet{1.0 * dfi::cs2};
}
}
}
template<typename T, typename Desc>
saw::error_or<void> kel_main(int argc, char** argv){
using namespace kel;
using dfi = lbm::df_info<T,Desc>;
auto eo_lbm_dir = lbm::output_directory();
if(eo_lbm_dir.is_error()){
return std::move(eo_lbm_dir.get_error());
}
auto& lbm_dir = eo_lbm_dir.get_value();
auto out_dir = lbm_dir / "poiseulle_channel_2d_gpu";
// Create Dir TODO
//
lbm::converter<sch::Float64> conv {
// delta_x
{{1.0}},
// delta_t
{{1.0}}
};
uint64_t x_d = 1024u;
uint64_t y_d = 128u;
acpp::sycl::queue sycl_q;
SyclHostAlloc<sch::CellStruct> sycl_host_alloc{sycl_q};
SyclDeviceAlloc<sch::CellStruct> sycl_dev_alloc{sycl_q};
std::vector<saw::data<sch::CellStruct>, SyclHostAlloc<sch::CellStruct>> cells{x_d * y_d,sycl_alloc};
std::vector<saw::data<sch::CellStruct>, SyclDeviceAlloc<sch::CellStruct>> cells{x_d * y_d,sycl_alloc};
{
auto eov = set_geometry(cells);
if(eov.is_error()){
return eov;
}
}
return saw::make_void();
}
int main(int argc, char** argv){
auto eov = kel_main(argc, argv);
if(eov.is_error()){
auto& err = eov.get_error();
std::cerr<<"[Error] "<<err.get_category();
auto err_msg = err.get_message();
if(err_msg.size() > 0u){
std::cerr<<" - "<<err_msg;
}
std::cerr<<std::endl;
return err.get_id();
}
return 0;
}
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