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2026-07-13 12:40:42 +08:00

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// Copyright (c) 2025 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 "paddle/phi/backends/context_pool.h"
#include "paddle/phi/core/enforce.h"
#if defined(PADDLE_WITH_CUSTOM_DEVICE)
#include "paddle/phi/backends/device_manager.h"
#define CONTEXT_TYPE CustomContext
#elif defined(__NVCC__) || defined(__HIPCC__)
#include "paddle/phi/backends/gpu/gpu_device_function.h"
#include "paddle/phi/backends/gpu/gpu_info.h"
#define CONTEXT_TYPE GPUContext
#else
#define CONTEXT_TYPE DeviceContext
#endif
namespace phi {
namespace funcs {
inline CONTEXT_TYPE *GetCurrentContext() {
#if defined(PADDLE_WITH_CUSTOM_DEVICE)
auto dev_types = DeviceManager::GetAllCustomDeviceTypes();
int device_id = DeviceManager::GetDevice(dev_types[0]);
auto gplace = CustomPlace(dev_types[0], device_id);
auto *dev_ctx =
static_cast<CustomContext *>(DeviceContextPool::Instance().Get(gplace));
return dev_ctx;
#elif defined(__NVCC__) || defined(__HIPCC__)
auto gplace = GPUPlace(phi::backends::gpu::GetCurrentDeviceId());
auto *dev_ctx =
static_cast<GPUContext *>(DeviceContextPool::Instance().Get(gplace));
return dev_ctx;
#else
PADDLE_THROW(common::errors::Unimplemented(
"Unsupported usage of funcs::GetCurrentContext()! This function "
"only support CUDA and Custom Device."));
return 0;
#endif
}
} // namespace funcs
} // namespace phi