memcpy_kernel.h

// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

#include <vector>

#include "paddle/phi/core/dense_tensor.h"

namespace phi {

// used in new executor, for memory copy from host to device
template <typename Context>
void MemcpyH2DKernel(const Context& dev_ctx,
                     const DenseTensor& x,
                     int dst_place_type,
                     DenseTensor* out);

// used in new executor, for memory copy from device to host
template <typename Context>
void MemcpyD2HKernel(const Context& dev_ctx,
                     const DenseTensor& x,
                     int dst_place_type,
                     DenseTensor* out);

template <typename Context>
void MemcpyD2HMultiIOKernel(const Context& dev_ctx,
                            const std::vector<const DenseTensor*>& array,
                            int dst_place_type,
                            std::vector<DenseTensor*> out_array);

template <typename Context>
void MemcpyKernel(const Context& dev_ctx,
                  const DenseTensor& x,
                  int dst_place_type,
                  DenseTensor* out);
}  // namespace phi