/* Copyright (c) 2021 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. */ #include "paddle/fluid/operators/collective/send_v2_op.h" #if defined(PADDLE_WITH_ASCEND_CL) #include "paddle/fluid/platform/collective_helper.h" #include "paddle/fluid/platform/device/npu/hccl_helper.h" #endif #include "paddle/fluid/distributed/collective/ProcessGroup.h" #include "paddle/phi/api/include/tensor.h" namespace paddle { namespace operators { template class CSendOpASCENDKernel : public framework::OpKernel { public: void Compute(const framework::ExecutionContext& ctx) const override { #if defined(PADDLE_WITH_ASCEND_CL) auto x = ctx.Input("X"); void* ptr = reinterpret_cast(const_cast(x->data())); int numel = x->numel(); HcclDataType dtype = platform::ToHCCLDataType(framework::TransToProtoVarType(x->dtype())); int ring_id = ctx.Attr("ring_id"); auto map = distributed::ProcessGroupMapFromGid::getInstance(); if (map->has(ring_id)) { // Use ProcessGroup distributed::ProcessGroup* pg = map->get(ring_id); std::vector in_tensor; in_tensor.push_back(*x); auto task = pg->Send(in_tensor, 1); return; } auto place = ctx.GetPlace(); auto comm = paddle::platform::HCCLCommContext::Instance().Get(ring_id, place); aclrtStream stream = nullptr; auto dev_ctx = platform::DeviceContextPool::Instance().Get(place); if (ctx.Attr("use_calc_stream")) { stream = static_cast(dev_ctx)->stream(); } else { stream = comm->stream(); } int nranks = comm->nranks(); int rank = comm->rank(); PADDLE_ENFORCE_EQ(nranks, 2, platform::errors::InvalidArgument( "The nranks must be 2, but (%d)", nranks)); int root = rank; VLOG(3) << "begin hccl send, parameter is: " << "root " << root << ", comm: " << comm->comm() << ", stream: " << stream; PADDLE_ENFORCE_NPU_SUCCESS(platform::dynload::HcclBroadcast( ptr, numel, dtype, (uint32_t)root, comm->comm(), stream)); #else PADDLE_THROW(platform::errors::PreconditionNotMet( "PaddlePaddle should compile with NPU.")); #endif } }; } // namespace operators } // namespace paddle namespace ops = paddle::operators; namespace plat = paddle::platform; REGISTER_OP_NPU_KERNEL(send_v2, ops::CSendOpASCENDKernel, ops::CSendOpASCENDKernel, ops::CSendOpASCENDKernel, ops::CSendOpASCENDKernel);