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/*
* GridTools
*
* Copyright (c) 2014-2023, ETH Zurich
* All rights reserved.
*
* Please, refer to the LICENSE file in the root directory.
* SPDX-License-Identifier: BSD-3-Clause
*/
#pragma once
#include <type_traits>
#include <gridtools/meta.hpp>
// stencil backend
#if defined(GT_STENCIL_CPU_KFIRST)
#ifndef GT_STORAGE_CPU_KFIRST
#define GT_STORAGE_CPU_KFIRST
#endif
#ifndef GT_TIMER_OMP
#define GT_TIMER_OMP
#endif
#include <gridtools/stencil/cpu_kfirst.hpp>
namespace {
using stencil_backend_t = gridtools::stencil::cpu_kfirst<>;
}
#elif defined(GT_STENCIL_CPU_KFIRST_HPX)
#ifndef GT_STORAGE_CPU_KFIRST
#define GT_STORAGE_CPU_KFIRST
#endif
#ifndef GT_TIMER_OMP
#define GT_TIMER_OMP
#endif
#include <gridtools/stencil/cpu_kfirst.hpp>
#include <gridtools/thread_pool/hpx.hpp>
#include <hpx/hpx_start.hpp>
#include <hpx/include/apply.hpp>
namespace {
using stencil_backend_t = gridtools::stencil::cpu_kfirst<gridtools::integral_constant<int, 8>,
gridtools::integral_constant<int, 8>,
gridtools::thread_pool::hpx>;
}
#elif defined(GT_STENCIL_NAIVE)
#ifndef GT_STORAGE_CPU_KFIRST
#define GT_STORAGE_CPU_KFIRST
#endif
#ifndef GT_TIMER_DUMMY
#define GT_TIMER_DUMMY
#endif
#include <gridtools/stencil/naive.hpp>
namespace {
using stencil_backend_t = gridtools::stencil::naive;
}
#elif defined(GT_STENCIL_CPU_IFIRST)
#ifndef GT_STORAGE_CPU_IFIRST
#define GT_STORAGE_CPU_IFIRST
#endif
#ifndef GT_TIMER_OMP
#define GT_TIMER_OMP
#endif
#include <gridtools/stencil/cpu_ifirst.hpp>
namespace {
using stencil_backend_t = gridtools::stencil::cpu_ifirst<>;
}
#elif defined(GT_STENCIL_CPU_IFIRST_HPX)
#ifndef GT_STORAGE_CPU_IFIRST
#define GT_STORAGE_CPU_IFIRST
#endif
#ifndef GT_TIMER_OMP
#define GT_TIMER_OMP
#endif
#include <gridtools/stencil/cpu_ifirst.hpp>
#include <gridtools/thread_pool/hpx.hpp>
#include <hpx/hpx_start.hpp>
#include <hpx/include/apply.hpp>
namespace {
using stencil_backend_t = gridtools::stencil::cpu_ifirst<gridtools::thread_pool::hpx>;
}
#elif defined(GT_STENCIL_GPU)
#ifndef GT_STORAGE_GPU
#define GT_STORAGE_GPU
#endif
#ifndef GT_TIMER_CUDA
#define GT_TIMER_CUDA
#endif
#include <gridtools/stencil/gpu.hpp>
namespace {
using stencil_backend_t = gridtools::stencil::gpu<>;
}
#elif defined(GT_STENCIL_GPU_HORIZONTAL)
#ifndef GT_STORAGE_GPU
#define GT_STORAGE_GPU
#endif
#ifndef GT_TIMER_CUDA
#define GT_TIMER_CUDA
#endif
#include <gridtools/stencil/gpu_horizontal.hpp>
namespace {
using stencil_backend_t = gridtools::stencil::gpu_horizontal<>;
}
#endif
#include "storage_select.hpp"
#include "timer_select.hpp"
#if defined(GT_STENCIL_CPU_KFIRST_HPX) || defined(GT_STENCIL_CPU_IFIRST_HPX)
inline bool &hpx_started() {
static bool res = false;
return res;
}
inline void hpx_start(int argc, char **argv) {
if (hpx_started())
return;
::hpx::start(nullptr, argc, argv);
hpx_started() = true;
}
inline void hpx_stop() {
if (!hpx_started())
return;
::hpx::apply([] { return hpx::finalize(); });
::hpx::stop();
hpx_started() = false;
}
#endif
namespace gridtools {
namespace stencil {
struct naive;
storage::cpu_kfirst backend_storage_traits(naive);
timer_dummy backend_timer_impl(naive);
inline char const *backend_name(naive const &) { return "naive"; }
namespace cpu_kfirst_backend {
template <class, class, class>
struct cpu_kfirst;
template <class I, class J, class T>
storage::cpu_kfirst backend_storage_traits(cpu_kfirst<I, J, T>);
template <class I, class J, class T>
timer_omp backend_timer_impl(cpu_kfirst<I, J, T>);
template <class I, class J, class T>
char const *backend_name(cpu_kfirst<I, J, T> const &) {
return "cpu_kfirst";
}
#if defined(GT_STENCIL_CPU_KFIRST_HPX)
template <class I, class J>
char const *backend_name(cpu_kfirst<I, J, thread_pool::hpx> const &) {
return "cpu_kfirst_hpx";
}
template <class I, class J>
void backend_init(cpu_kfirst<I, J, thread_pool::hpx>, int &argc, char **argv) {
hpx_start(argc, argv);
}
template <class I, class J>
void backend_finalize(cpu_kfirst<I, J, thread_pool::hpx>) {
hpx_stop();
}
#endif
} // namespace cpu_kfirst_backend
namespace cpu_ifirst_backend {
template <class>
struct cpu_ifirst;
template <class T>
storage::cpu_ifirst backend_storage_traits(cpu_ifirst<T>);
template <class T>
std::false_type backend_supports_icosahedral(cpu_ifirst<T>);
template <class T>
timer_omp backend_timer_impl(cpu_ifirst<T>);
template <class T>
char const *backend_name(cpu_ifirst<T> const &) {
return "cpu_ifirst";
}
#if defined(GT_STENCIL_CPU_IFIRST_HPX)
inline char const *backend_name(cpu_ifirst<thread_pool::hpx> const &) { return "cpu_ifirst_hpx"; }
inline void backend_init(cpu_ifirst<thread_pool::hpx>, int &argc, char **argv) { hpx_start(argc, argv); }
inline void backend_finalize(cpu_ifirst<thread_pool::hpx>) { hpx_stop(); }
#endif
} // namespace cpu_ifirst_backend
namespace gpu_backend {
template <class, class, class>
struct gpu;
template <class I, class J, class K>
storage::gpu backend_storage_traits(gpu<I, J, K>);
template <class I, class J, class K>
timer_cuda backend_timer_impl(gpu<I, J, K>);
template <class I, class J, class K>
char const *backend_name(gpu<I, J, K> const &) {
return "gpu";
}
} // namespace gpu_backend
namespace gpu_horizontal_backend {
template <class, class, class>
struct gpu_horizontal;
template <class I, class J, class K>
storage::gpu backend_storage_traits(gpu_horizontal<I, J, K>);
template <class I, class J, class K>
std::false_type backend_supports_vertical_stencils(gpu_horizontal<I, J, K>);
template <class I, class J, class K>
timer_cuda backend_timer_impl(gpu_horizontal<I, J, K>);
template <class I, class J, class K>
char const *backend_name(gpu_horizontal<I, J, K> const &) {
return "gpu_horizontal";
}
} // namespace gpu_horizontal_backend
} // namespace stencil
} // namespace gridtools
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