Files
paddlepaddle--paddle/paddle/phi/kernels/impl/sync_comm_stream_kernel_impl.h
T
2026-07-13 12:40:42 +08:00

54 lines
1.8 KiB
C++

// Copyright (c) 2024 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 <string>
#include "paddle/phi/backends/xpu/xpu_info.h"
#include "paddle/phi/core/dense_tensor.h"
#include "paddle/phi/core/distributed/comm_context_manager.h"
#include "paddle/phi/core/kernel_registry.h"
#if defined(PADDLE_WITH_NCCL) || defined(PADDLE_WITH_RCCL)
#include "paddle/phi/core/distributed/nccl_comm_context.h"
#elif defined(PADDLE_WITH_XPU_BKCL)
#include "paddle/phi/core/distributed/bkcl_comm_context.h"
#endif
namespace phi {
#if defined(PADDLE_WITH_XPU_BKCL)
static void XPUStreamSync(XPUStream stream) {
PADDLE_ENFORCE_XDNN_SUCCESS(xpu_wait(stream), "xpu_wait");
}
#endif
template <typename T, typename Context>
void SyncCommStreamKernel(const Context &dev_ctx,
const std::vector<const DenseTensor *> &x UNUSED,
int ring_id UNUSED,
std::vector<DenseTensor *> out UNUSED) {
#if defined(PADDLE_WITH_NCCL) || defined(PADDLE_WITH_RCCL)
backends::gpu::GpuStreamSync(dev_ctx.stream());
#elif defined(PADDLE_WITH_XPU_BKCL)
XPUStreamSync(dev_ctx.stream());
#else
PADDLE_THROW(common::errors::PreconditionNotMet(
"PaddlePaddle should compile with GPU or XPU."));
#endif
}
} // namespace phi