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#ifndef LIBNORMALIZ_OFFLOAD_HANDLER_H
#define LIBNORMALIZ_OFFLOAD_HANDLER_H
#ifdef NMZ_MIC_OFFLOAD
#define ONCE alloc_if(1) free_if(1)
#define ALLOC alloc_if(1) free_if(0)
#define FREE alloc_if(0) free_if(1)
#define REUSE alloc_if(0) free_if(0)
#include "libnormaliz/libnormaliz.h"
#include <list>
#include <vector>
#include <offload.h> // offload system header
namespace libnormaliz {
// forward-declarations
template <typename Integer>
class Full_Cone;
template <typename Integer>
class Matrix;
template <typename Integer>
class OffloadHandler {
public:
// transfers Full_Cone to mic:mic_nr and keeps handle
OffloadHandler(Full_Cone<Integer>&, int mic_number = 0);
// destructor deletes Full_Cone on mic
~OffloadHandler();
void transfer_pyramids(const std::list<std::vector<key_t> >& pyramids);
void evaluate_pyramids();
void evaluate_triangulation();
void complete_evaluation(); // call only once!
void collect_data(); // call only once!
// checks if a previous asynchronous offload is still running
bool is_running();
// waits until previous asynchronous offload has finished
void wait();
private:
const int mic_nr;
bool running; // used to see if we still have a wait lock open
Full_Cone<Integer>& local_fc_ref;
Full_Cone<Integer>* offload_fc_ptr;
// init routines
void create_full_cone();
void transfer_bools();
void transfer_support_hyperplanes();
void transfer_grading();
void transfer_triangulation_info();
void primal_algorithm_initialize();
// inner routines
void transfer_pyramids_inner(key_t* data, long size);
// collect data routines
void collect_integers(); // TriangulationSize, DetSum, Multiplicity
void collect_hilbert_series();
void collect_candidates(); // Hilbert basis, degree 1 elements
};
template <typename Integer>
class MicOffloader {
public:
MicOffloader();
~MicOffloader();
// on the first call it inits the offloaded cones
void offload_pyramids(Full_Cone<Integer>& fc, const size_t level);
// evaluates remaining triangulation
void evaluate_triangulation();
// collects the results and destructs the offloaded cones
void finalize();
private:
bool is_init;
int nr_mics;
int nr_handlers;
std::vector<OffloadHandler<Integer>*> handlers;
void init(Full_Cone<Integer>& fc);
};
} // end namespace libnormaliz
#endif // NMZ_MIC_OFFLOAD
#endif // OFFLOAD_HANDLER_H
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