CUDAFunctions.h

// 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 <c10/core/Device.h>

namespace c10::cuda {

c10::DeviceIndex device_count();

void device_synchronize();

#if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
void __inline__ stream_synchronize(gpuStream_t stream) {
  phi::backends::gpu::GpuStreamSync(stream);
}
#endif

}  // namespace c10::cuda

namespace at::cuda {
using c10::cuda::device_synchronize;
#if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
using c10::cuda::stream_synchronize;
#endif
}  // namespace at::cuda