cl_m_reduce.hpp

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#ifndef SPLA_CL_M_REDUCE_HPP
#define SPLA_CL_M_REDUCE_HPP
 
#include <schedule/schedule_tasks.hpp>
 
#include <core/dispatcher.hpp>
#include <core/registry.hpp>
#include <core/tmatrix.hpp>
#include <core/top.hpp>
#include <core/tscalar.hpp>
#include <core/ttype.hpp>
 
#include <opencl/cl_formats.hpp>
#include <opencl/cl_reduce.hpp>
 
#include <sstream>
 
namespace spla {
 
    template<typename T>
    class Algo_m_reduce_cl final : public RegistryAlgo {
    public:
        ~Algo_m_reduce_cl() override = default;
 
        std::string get_name() override {
            return "m_reduce";
        }
 
        std::string get_description() override {
            return "parallel matrix reduction on opencl device";
        }
 
        Status execute(const DispatchContext& ctx) override {
            auto                t = ctx.task.template cast_safe<ScheduleTask_m_reduce>();
            ref_ptr<TMatrix<T>> M = t->M.template cast_safe<TMatrix<T>>();
 
            if (M->is_valid(FormatMatrix::AccCsr)) {
                return execute_csr(ctx);
            }
            if (M->is_valid(FormatMatrix::CpuCsr)) {
                return execute_csr(ctx);
            }
 
            return execute_csr(ctx);
        }
 
    private:
        Status execute_csr(const DispatchContext& ctx) {
            TIME_PROFILE_SCOPE("opencl/m_reduce_csr");
 
            auto t = ctx.task.template cast_safe<ScheduleTask_m_reduce>();
 
            auto r         = t->r.template cast_safe<TScalar<T>>();
            auto s         = t->s.template cast_safe<TScalar<T>>();
            auto M         = t->M.template cast_safe<TMatrix<T>>();
            auto op_reduce = t->op_reduce.template cast_safe<TOpBinary<T, T, T>>();
 
            M->validate_rw(FormatMatrix::AccCsr);
 
            const auto* p_cl_csr = M->template get<CLCsr<T>>();
            auto*       p_cl_acc = get_acc_cl();
            auto&       queue    = p_cl_acc->get_queue_default();
 
            cl_reduce<T>(queue, p_cl_csr->Ax, p_cl_csr->values, s->get_value(), op_reduce, r->get_value());
 
            return Status::Ok;
        }
    };
 
}// namespace spla
 
#endif//SPLA_CL_M_REDUCE_HPP