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#include <forstio/error.hpp>
#include <iostream>
#include <kel/lbm/lbm.hpp>
namespace kel {
namespace lbm {
namespace sch {
using namespace saw::schema;
/**
* struct lbm_data {
* std::array<std::array<float,9>, 64u*64u> dfs;
* std::array<uint8_t, 64u*64u> info;
* };
*
* which leads to the form
*
* template<uint64_t Dim, uint64_t Size>
* struct lbm_data {
* std::array<std::array<float,9>, Size*Size> dfs;
* std::array<uint8_t, Size*Size> info;
* };
*
* which transferred into sycl requires us to go to
*
* template<uint64_t Dim, uint64_t Size>
* struct lbm_sycl_data {
* std::array<float,9>* dfs;
* uint8_t* info;
* };
*
* in data form on host
*
* template<uint64_t Dim, uint64_t Size>
* using LbmData = Struct<
* Member<FixedArray<FixedArray<Float32,9u>, Size*Size>, "dfs">,
* Member<FixedArray<UInt8, Size*Size>, "info">
* >;
*
* If we specialize the encode::Sycl<Encoding> data type, then we get
* With a helper class we can copy single values back and forth and the whole block is guaranteed
* to be allocated. And this one can be dynamic while the host definition might be compile time.
*
* template<...>
* class data<LbmData<...>,encode::Sycl<Encoding>> final {
* saw::data<sch::FixedArray<sch::UInt64,Dim>> meta;
* saw::data<FixedArray<Float32u,9>>* dfs;
* saw::data<UInt8>* info;
* };
*/
template<typename T, typename Desc>
using CellStruct = Struct<
Member<Chunk<FixedArray<T,Desc::Q>,Desc::D, "dfs">,
Member<FixedArray<T,Desc::Q>, "dfs_old">,
Member<UInt8, "info">
>;
}
template<typename T, typename Desc>
saw::error_or<void> simulate(int argc, char** argv,
const saw::data<sch::FixedArray<sch::UInt64,Desc::D>>& meta
{
constexpr auto cell_size = sizeof(saw::data<sch::CellStruct<T,Desc>>);
auto lbm_data = saw::heap<saw::data<sch::Chunk<CellStruct<>,Desc::D, 64u>>>{meta};
return saw::make_void();
}
}
saw::error_or<void> lbm_main(int argc, char** argv){
using namespace lbm;
return simulate<sch::Float64,sch::D2Q9>(argc, argv);
}
}
int main(int argc, char** argv){
auto eov = kel::lbm_main(argc, argv);
if(eov.is_error()){
auto& err = eov.get_error();
auto err_msg = err.get_message();
std::cerr<<"[Error]: "<<err.get_category();
if(not err_msg.empty()){
std::cerr<<" - "<<err_msg;
}
std::cerr<<std::endl;
return err.get_id();
}
return 0;
}
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