mindspore2022/mindspore/ccsrc/backend/session/ascend_session.cc

1552 lines
64 KiB
C++

/**
* Copyright 2019-2021 Huawei Technologies Co., Ltd
*
* 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 "backend/session/ascend_session.h"
#include <algorithm>
#include <map>
#include <tuple>
#include <set>
#include <string>
#include <list>
#include "base/core_ops.h"
#include "base/base_ref_utils.h"
#include "ir/tensor.h"
#include "ir/anf.h"
#include "common/trans.h"
#include "runtime/device/kernel_runtime.h"
#include "runtime/device/ascend/kernel_select_ascend.h"
#include "runtime/device/ascend/kernel_build_ascend.h"
#include "runtime/device/ascend/ascend_kernel_runtime.h"
#include "runtime/device/ascend/profiling/profiling_manager.h"
#include "backend/optimizer/ascend/ascend_backend_optimization.h"
#include "backend/optimizer/common/common_backend_optimization.h"
#include "backend/optimizer/ascend/mindir/space_batch_nd_attr_update.h"
#include "backend/optimizer/ascend/mindir/dropout_unify_mindir.h"
#include "backend/optimizer/ascend/mindir/maxpool_to_maxpool_with_argmax.h"
#include "backend/optimizer/ascend/mindir/maxpool_with_argmax_unify_mindir.h"
#include "backend/optimizer/ascend/mindir/conv2d_unify_mindir.h"
#include "backend/optimizer/ascend/mindir/optimizer_unify_output.h"
#include "backend/optimizer/ascend/mindir/fake_learned_scale_quant_grad_unify_mindir.h"
#include "backend/optimizer/ascend/mindir/sparse_softmax_cross_entropy_with_logits_unify_mindir.h"
#include "backend/optimizer/ascend/mindir/slice_grad_unify_mindir.h"
#include "backend/optimizer/ascend/mindir/avg_pool_grad_unify_mindir.h"
#include "backend/optimizer/ascend/mindir/bn_grad_unify_mindir.h"
#include "backend/optimizer/ascend/mindir/all_to_all_unify_mindir.h"
#include "runtime/device/kernel_adjust.h"
#include "runtime/device/ascend/ascend_stream_assign.h"
#include "backend/session/anf_runtime_algorithm.h"
#include "utils/ms_utils.h"
#include "utils/context/graph_kernel_flags.h"
#include "backend/optimizer/common/helper.h"
#include "runtime/device/kernel_runtime_manager.h"
#include "utils/config_manager.h"
#include "debug/data_dump/dump_json_parser.h"
#include "debug/tensor_load.h"
#include "debug/anf_ir_utils.h"
#include "backend/optimizer/graph_kernel/graph_kernel_optimization.h"
#include "backend/session/ascend_auto_monad.h"
#include "debug/data_dump/e2e_dump.h"
#include "debug/anf_ir_dump.h"
#include "debug/dump_proto.h"
#include "abstract/utils.h"
#ifdef ENABLE_DEBUGGER
#include "debug/debugger/proto_exporter.h"
#else
#include "debug/debugger/proto_exporter_stub.h"
#endif
#include "common/util/error_manager/error_manager.h"
#include "toolchain/adx_datadump_server.h"
#ifdef ENABLE_DUMP_IR
#include "debug/rdr/running_data_recorder.h"
#include "debug/rdr/recorder_manager.h"
#include "debug/rdr/graph_recorder.h"
#endif
#if ENABLE_CPU && ENABLE_D
#include "ps/util.h"
#include "ps/ps_cache/ps_cache_manager.h"
#endif
#include "runtime/device/ascend/ascend_bucket.h"
#include "profiler/device/common/memory_profiling.h"
using mindspore::device::ascend::ProfilingManager;
using mindspore::profiler::MemoryProfiling;
namespace mindspore {
namespace session {
const size_t kInvalidIndex = SIZE_MAX;
const size_t kLoopSinkTensorNum = 3;
const size_t kLoopSinkCurLoopIndex = 0;
const size_t kLoopSinkNextLoopIndex = 1;
const size_t kLoopSinkEpochIndex = 2;
constexpr char SR_TAG[] = "sr_tag";
constexpr char BACKWARD[] = "backward";
namespace {
void DumpGraphExeOrder(const std::vector<CNodePtr> &execution_order, const std::string &tag = "") {
MS_LOG(INFO) << "Dump execution_order size " << execution_order.size();
MS_LOG(INFO) << "[index][stream_label][graph_id][node string]";
int i = 0;
for (auto &cnode : execution_order) {
MS_EXCEPTION_IF_NULL(cnode);
MS_LOG(INFO) << "[ " << i << "]"
<< "[" << AnfAlgo::GetStreamDistinctionLabel(cnode.get()) << "]"
<< "[" << AnfAlgo::GetGraphId(cnode.get()) << "]"
<< "[" << cnode->DebugString() << "]";
i++;
}
std::stringstream buf;
buf << "================== execution order ==================\n";
if (!tag.empty()) {
buf << tag << "\n";
}
buf << "execution_order size: " << execution_order.size() << "\n";
i = 0;
for (auto &cnode : execution_order) {
MS_EXCEPTION_IF_NULL(cnode);
buf << i << ":\n";
buf << "\t" << cnode->DebugString() << "\n";
buf << "\t" << AnfAlgo::GetStreamDistinctionLabel(cnode.get()) << "\n";
buf << "\t" << AnfAlgo::GetGraphId(cnode.get()) << "\n";
i++;
}
buf << "================== execution order ==================\n";
}
// Handle control flow by auto-monad.
void HandleControlFlow(NotNull<KernelGraphPtr> graph) {
AscendAutoMonad auto_monad(graph);
auto_monad.Run();
}
void SetStreamDistinctionLabel(const KernelGraphPtr &graph, uint32_t label, bool is_override) {
MS_EXCEPTION_IF_NULL(graph);
if (is_override || graph->stream_distinction_label() == kInvalidDistincLabel) {
graph->set_stream_distinction_label(label);
}
}
TensorPtr GetCNodeOutputStubTensor(const KernelWithIndex &kernel_with_index,
const std::map<KernelWithIndex, OutputTensorInfo> &node_output_info,
bool *output_is_weight) {
MS_EXCEPTION_IF_NULL(output_is_weight);
const auto &iter = node_output_info.find(kernel_with_index);
if (iter == node_output_info.end()) {
MS_LOG(EXCEPTION) << "Can not find output stub tensor of cnode " << kernel_with_index.first->DebugString();
}
*output_is_weight = iter->second.is_weight;
return iter->second.output_stub_tensor;
}
void GenOpOutputStubTensor(const KernelGraphPtr &single_op_graph, const CNodePtr &kernel,
const std::map<KernelWithIndex, size_t> &cnode_refcount,
std::map<KernelWithIndex, OutputTensorInfo> *op_output_info) {
MS_EXCEPTION_IF_NULL(single_op_graph);
MS_EXCEPTION_IF_NULL(kernel);
MS_EXCEPTION_IF_NULL(op_output_info);
OutputTensorInfo output_tensor_info;
size_t out_idx = 0;
for (const auto &output : single_op_graph->outputs()) {
KernelWithIndex kernel_with_index = std::make_pair(kernel, out_idx++);
if (cnode_refcount.find(kernel_with_index) == cnode_refcount.end()) {
continue;
}
const auto &output_kernel_with_index = AnfAlgo::VisitKernel(output, 0);
const auto &output_node = output_kernel_with_index.first;
const auto &output_index = output_kernel_with_index.second;
auto out_abstract = output_node->abstract();
MS_EXCEPTION_IF_NULL(out_abstract);
if (out_abstract->isa<abstract::AbstractTuple>()) {
out_abstract = out_abstract->cast<abstract::AbstractTuplePtr>()->elements()[output_index];
MS_EXCEPTION_IF_NULL(out_abstract);
}
abstract::AbstractTensorPtr tensor_abstract = out_abstract->cast<abstract::AbstractTensorPtr>();
MS_EXCEPTION_IF_NULL(tensor_abstract);
const auto &infer_type = AnfAlgo::GetOutputInferDataType(output_node, output_index);
tensor::TensorPtr stub_output_tensor =
std::make_shared<tensor::Tensor>(infer_type, tensor_abstract->shape()->shape(), nullptr);
const auto &output_type = AnfAlgo::GetOutputDeviceDataType(output_node, output_index);
const auto &output_format = AnfAlgo::GetOutputFormat(output_node, output_index);
tensor::DeviceInfo device_info;
device_info.format_ = output_format;
device_info.data_type_ = TypeIdToType(output_type);
stub_output_tensor->set_device_info(device_info);
device::DeviceAddressPtr device_address =
std::make_shared<device::ascend::AscendDeviceAddress>(nullptr, 0, output_format, output_type);
stub_output_tensor->set_device_address(device_address);
output_tensor_info.output_stub_tensor = stub_output_tensor;
auto kernel_info = dynamic_cast<const device::KernelInfo *>(output_node->kernel_info());
MS_EXCEPTION_IF_NULL(kernel_info);
output_tensor_info.is_weight = !(kernel_info->is_feature_map());
(*op_output_info)[kernel_with_index] = output_tensor_info;
}
}
size_t LoadCtrlInputTensor(const std::shared_ptr<KernelGraph> &graph, std::vector<tensor::TensorPtr> *inputs) {
MS_EXCEPTION_IF_NULL(graph);
MS_LOG(DEBUG) << "Load kInputCtrlTensors";
auto inputs_params = graph->input_ctrl_tensors();
if (inputs_params == nullptr) {
return 0;
}
if (inputs_params->size() < kLoopSinkTensorNum) {
MS_LOG(EXCEPTION) << "Illegal inputs_params size";
}
// update current loop tensor to 0 per iterator
auto cur_loop_tensor = (*inputs_params)[kLoopSinkCurLoopIndex];
MS_EXCEPTION_IF_NULL(cur_loop_tensor);
auto *cur_val = static_cast<int32_t *>(cur_loop_tensor->data_c());
MS_EXCEPTION_IF_NULL(cur_val);
*cur_val = 0;
cur_loop_tensor->set_sync_status(kNeedSyncHostToDevice);
// set loop_count to zero
MS_EXCEPTION_IF_NULL(inputs);
inputs->push_back(cur_loop_tensor);
// update next loop tensor to 0 per iterator
auto next_loop_tensor = (*inputs_params)[kLoopSinkNextLoopIndex];
MS_EXCEPTION_IF_NULL(next_loop_tensor);
auto *next_val = static_cast<int32_t *>(next_loop_tensor->data_c());
MS_EXCEPTION_IF_NULL(next_val);
*next_val = 0;
next_loop_tensor->set_sync_status(kNeedSyncHostToDevice);
// set loop_count to zero
MS_EXCEPTION_IF_NULL(inputs);
inputs->push_back(next_loop_tensor);
auto epoch_tensor = (*inputs_params)[kLoopSinkEpochIndex];
MS_EXCEPTION_IF_NULL(epoch_tensor);
auto *epoch_val = static_cast<int32_t *>(epoch_tensor->data_c());
MS_EXCEPTION_IF_NULL(epoch_val);
*epoch_val = graph->current_epoch();
epoch_tensor->set_sync_status(kNeedSyncHostToDevice);
inputs->push_back(epoch_tensor);
MS_LOG(DEBUG) << "Load epoch_val:" << *epoch_val;
graph->set_current_epoch(graph->current_epoch() + 1);
return inputs_params->size();
}
bool TensorNeedSync(const AnfNodePtr &parameter, const tensor::TensorPtr &tensor) {
auto ms_context = MsContext::GetInstance();
MS_EXCEPTION_IF_NULL(ms_context);
auto device_address = AnfAlgo::GetMutableOutputAddr(parameter, 0);
if (ms_context->get_param<bool>(MS_CTX_ENABLE_PYNATIVE_INFER)) {
return tensor->device_address().get() == nullptr || tensor->device_address() != device_address;
}
if (tensor->NeedSyncHostToDevice()) {
return true;
}
auto tensor_address = tensor->device_address();
if (tensor_address != device_address) {
tensor->data_sync(false);
return true;
}
return false;
}
void AddGraphToManager(const NotNull<KernelGraphPtr> graph, NotNull<FuncGraphManagerPtr> manager,
NotNull<std::set<KernelGraphPtr> *> memo) {
if (memo->find(graph) != memo->end()) {
return;
}
memo->insert(graph.get());
manager->AddFuncGraph(graph.get(), false);
for (auto &child_graph : graph->child_graph_order()) {
AddGraphToManager(NOT_NULL(child_graph.lock()), manager, memo);
}
}
} // namespace
void AscendSession::Init(uint32_t device_id) { InitExecutor(kAscendDevice, device_id); }
void AscendSession::UnifyMindIR(const KernelGraphPtr &graph) {
SessionBasic::UnifyMindIR(graph);
auto context_ptr = MsContext::GetInstance();
MS_EXCEPTION_IF_NULL(context_ptr);
bool save_graphs = context_ptr->get_param<bool>(MS_CTX_SAVE_GRAPHS_FLAG);
if (save_graphs) {
std::string file_name = "hwopt_d_before_unify_mindir_graph_" + std::to_string(graph->graph_id()) + ".ir";
DumpIR(file_name, graph);
DumpIRProto(graph, "before_unify_mindir_hwopt_" + std::to_string(graph->graph_id()));
}
auto optimizer = std::make_shared<opt::GraphOptimizer>();
auto unify_mindir_pm = std::make_shared<opt::PassManager>("unify_mindir_pm");
unify_mindir_pm->AddPass(std::make_shared<opt::SpaceToBatchNDAttrUpdate>());
unify_mindir_pm->AddPass(std::make_shared<opt::BatchToSpaceNDAttrUpdate>());
unify_mindir_pm->AddPass(std::make_shared<opt::MaxPool2MaxPoolWithArgmax>());
unify_mindir_pm->AddPass(std::make_shared<opt::MaxPoolWithArgmaxUnifyMindIR>());
unify_mindir_pm->AddPass(std::make_shared<opt::MaxPoolGradWithArgmaxUnifyMindIR>());
unify_mindir_pm->AddPass(std::make_shared<opt::Conv2DUnifyMindIR>());
unify_mindir_pm->AddPass(std::make_shared<opt::Conv2DBackpropInputUnifyMindIR>());
unify_mindir_pm->AddPass(std::make_shared<opt::Conv2DBackpropFilterUnifyMindIR>());
unify_mindir_pm->AddPass(std::make_shared<opt::SliceGradUnifyMindIR>());
unify_mindir_pm->AddPass(std::make_shared<opt::AvgPoolGradUnifyMindIR>());
unify_mindir_pm->AddPass(std::make_shared<opt::FtrlUnifyOutput>());
unify_mindir_pm->AddPass(std::make_shared<opt::MomentumUnifyOutput>());
unify_mindir_pm->AddPass(std::make_shared<opt::RMSPropUnifyOutput>());
unify_mindir_pm->AddPass(std::make_shared<opt::CenteredRMSPropUnifyOutput>());
unify_mindir_pm->AddPass(std::make_shared<opt::FakeLearnedScaleQuantPerLayerGradUnifyMindIR>());
unify_mindir_pm->AddPass(std::make_shared<opt::FakeLearnedScaleQuantPerChannelGradUnifyMindIR>());
auto ms_context = MsContext::GetInstance();
MS_EXCEPTION_IF_NULL(ms_context);
if (ms_context->get_param<int>(MS_CTX_EXECUTION_MODE) == kGraphMode) {
unify_mindir_pm->AddPass(std::make_shared<opt::DropoutAndDropoutGradUnifyMindIR>());
unify_mindir_pm->AddPass(std::make_shared<opt::DropoutUnifyMindIR0>());
unify_mindir_pm->AddPass(std::make_shared<opt::GradSparseSoftmaxCrossEntropyWithLogitsUnifyMindIR>());
unify_mindir_pm->AddPass(std::make_shared<opt::GradSparseSoftmaxCrossEntropyWithLogitsUnifyMindIRV2>());
unify_mindir_pm->AddPass(std::make_shared<opt::SparseSoftmaxCrossEntropyWithLogitsUnifyMindIR>());
} else {
// Add PynativeGradSparseSoftmaxCrossEntropyWithLogitsUnifyMindIR pass first to avoid the backward loss function
// from the python frontend matching the pattern defined in PynativeSparseSoftmaxCrossEntropyWithLogitsUnifyMindIR.
unify_mindir_pm->AddPass(std::make_shared<opt::PynativeGradSparseSoftmaxCrossEntropyWithLogitsUnifyMindIR>());
unify_mindir_pm->AddPass(std::make_shared<opt::PynativeSparseSoftmaxCrossEntropyWithLogitsUnifyMindIR>());
}
unify_mindir_pm->AddPass(std::make_shared<opt::DropoutUnifyMindIR1>());
unify_mindir_pm->AddPass(std::make_shared<opt::DropoutGradUnifyMindIR>());
unify_mindir_pm->AddPass(std::make_shared<opt::BatchNormGradUnifyMindIR>());
unify_mindir_pm->AddPass(std::make_shared<opt::NeighborExchangeUnifyMindIR>());
unify_mindir_pm->AddPass(std::make_shared<opt::AllToAllUnifyMindIR>());
optimizer->AddPassManager(unify_mindir_pm);
(void)optimizer->Optimize(graph);
graph->SetExecOrderByDefault();
if (save_graphs) {
std::string file_name = "hwopt_d_after_unify_mindir_graph_" + std::to_string(graph->graph_id()) + ".ir";
DumpIR(file_name, graph);
}
}
void AscendSession::LoadInputData(const std::shared_ptr<KernelGraph> &kernel_graph,
const std::vector<tensor::TensorPtr> &inputs_const) const {
std::vector<tensor::TensorPtr> inputs(inputs_const);
size_t input_ctrl_size = kLoopSinkTensorNum;
MS_EXCEPTION_IF_NULL(kernel_graph);
if (kernel_graph->input_ctrl_tensors()) {
input_ctrl_size = LoadCtrlInputTensor(kernel_graph, &inputs);
}
auto &input_nodes = kernel_graph->input_nodes();
if ((inputs.size() + input_ctrl_size) - kLoopSinkTensorNum != input_nodes.size()) {
MS_LOG(EXCEPTION) << "Tensor input:" << inputs.size() << " is not equal graph inputs:" << input_nodes.size()
<< ", input_ctrl_size:" << input_ctrl_size;
}
auto ms_context = MsContext::GetInstance();
MS_EXCEPTION_IF_NULL(ms_context);
for (size_t i = 0; i < inputs.size(); ++i) {
auto tensor = inputs[i];
MS_EXCEPTION_IF_NULL(tensor);
auto input_node = input_nodes[i];
MS_EXCEPTION_IF_NULL(input_node);
auto size = LongToSize(tensor->data().nbytes());
if (!input_node->isa<Parameter>()) {
continue;
}
auto input_param = input_node->cast<ParameterPtr>();
MS_EXCEPTION_IF_NULL(input_param);
if (!input_param->IsUsedByRealKernelInGraph(kernel_graph->graph_id())) {
tensor->set_sync_status(kNoNeedSync);
continue;
} else if (input_param->has_dynamic_shape()) {
auto tensor_shape = tensor->shape();
std::vector<size_t> shape_tmp;
(void)std::transform(tensor_shape.begin(), tensor_shape.end(), std::back_inserter(shape_tmp), IntToSize);
AnfAlgo::SetOutputInferTypeAndShape({AnfAlgo::GetOutputInferDataType(input_node, 0)}, {shape_tmp},
input_node.get());
size = abstract::ShapeSize(shape_tmp) * abstract::TypeIdSize(tensor->data_type());
}
if (AnfAlgo::OutputAddrExist(input_node, 0) && TensorNeedSync(input_node, tensor)) {
#if ((defined ENABLE_CPU) && (!defined _WIN32))
const std::string &param_name = input_node->fullname_with_scope();
if (ps::ps_cache_instance.IsHashTable(param_name)) {
continue;
}
#endif
auto device_address = AnfAlgo::GetMutableOutputAddr(input_node, 0);
MS_EXCEPTION_IF_NULL(device_address);
if (size != 0 &&
!device_address->SyncHostToDevice(trans::GetRuntimePaddingShape(input_node, 0), size, tensor->data_type(),
tensor->data_c(), tensor->device_info().host_format_)) {
MS_LOG(EXCEPTION) << "SyncHostToDevice failed.";
}
if (ms_context->get_param<int>(MS_CTX_EXECUTION_MODE) == kPynativeMode ||
AnfAlgo::IsParameterWeight(input_param) || kernel_graph->IsUpdatedParameter(input_param)) {
tensor->set_device_address(device_address);
}
if (kernel_graph->IsUpdatedParameter(input_param)) {
tensor->SetIsUpdateByDevice();
}
}
tensor->set_sync_status(kNoNeedSync);
}
}
GraphId AscendSession::CompileGraphImpl(const AnfNodePtrList &lst, const AnfNodePtrList &outputs) {
MS_LOG(INFO) << "Start";
// construct graph, if successfully, graph_sum_ + 1
auto graph = ConstructKernelGraph(lst, outputs);
auto graph_id = graph->graph_id();
InitAllBucket(graph);
MS_LOG(INFO) << "Compile graph " << graph_id << " success";
return graph_id;
}
GraphId AscendSession::CompileGraphImpl(NotNull<FuncGraphPtr> func_graph) {
MS_LOG(INFO) << "Start";
std::vector<KernelGraphPtr> all_graphs;
auto root_graph = ConstructKernelGraph(func_graph, &all_graphs);
for (const auto &graph : all_graphs) {
graph->set_root_graph_id(root_graph->graph_id());
}
UnifyMindIR(root_graph);
// Update Graph Dynamic Shape Attr
UpdateAllGraphDynamicShapeAttr(all_graphs);
opt::BackendCommonOptimization(root_graph);
// empty graph dont entry to backend
if (root_graph->execution_order().empty()) {
MS_LOG(INFO) << root_graph->ToString() << " is empty graph.";
AnfAlgo::InsertMakeTupleForOutput(NOT_NULL(root_graph));
root_graph->set_executable(false);
InitRuntimeResource();
return root_graph->graph_id();
}
// Handle control flow by auto-monad.
HandleControlFlow(NOT_NULL(root_graph));
std::set<KernelGraphPtr> memo;
// add all graphs to manager first, so that don't have to make new manager in following passes.
auto manager = Manage(root_graph, true);
AddGraphToManager(NOT_NULL(root_graph), NOT_NULL(manager), NOT_NULL(&memo));
memo.clear();
// resource initialize
InitRuntimeResource();
IrFusionPass(NOT_NULL(root_graph), NOT_NULL(&memo));
memo.clear();
SelectKernel(NOT_NULL(root_graph));
memo.clear();
HardwareOptimize(NOT_NULL(root_graph), NOT_NULL(&memo));
memo.clear();
// load graphs to debugger.
if (debugger_ && debugger_->DebuggerBackendEnabled()) {
LoadGraphsToDbg(NOT_NULL(root_graph), NOT_NULL(&memo));
}
memo.clear();
UpdateRefOutputMap(NOT_NULL(root_graph), NOT_NULL(&memo));
memo.clear();
// add make_tuple to the output graph
AnfAlgo::InsertMakeTupleForOutput(NOT_NULL(root_graph));
// root root_graph valiate,include genearte execute order and so on
RootGraphExecutorValidate(NOT_NULL(root_graph));
// dump graph before remove nop nodes
auto context_ptr = MsContext::GetInstance();
MS_EXCEPTION_IF_NULL(context_ptr);
bool save_graphs = context_ptr->get_param<bool>(MS_CTX_SAVE_GRAPHS_FLAG);
if (save_graphs) {
DumpIRProto(root_graph, "before_removeNop_" + std::to_string(graph_sum_));
}
// adjust kernel
AdjustKernel(root_graph);
#if ENABLE_CPU && ENABLE_D
InitPsWorker(root_graph);
#endif
// assign stream
AssignStream(NOT_NULL(root_graph));
// insert profiling point
device::KernelAdjust::GetInstance().Profiling(NOT_NULL(root_graph.get()));
// build kernel
BuildKernel(root_graph);
if (debugger_ && debugger_->partial_memory()) {
debugger_->PreExecute(root_graph);
}
SetSummaryNodes(root_graph.get());
// Alloc memory for child graph's inputs
AssignStaticMemory(NOT_NULL(root_graph), NOT_NULL(&memo));
memo.clear();
// Alloc memory for root graph's inputs and node's outputs, workspace
MemoryAlloc(root_graph.get());
// generate and load task into device
Load(root_graph);
root_graph->SetInputNodes();
root_graph->SetOptimizerFlag();
DumpAllGraphs(all_graphs);
// Save memory profiling data to proto file
auto profiling_instance = MemoryProfiling::GetInstance();
if (profiling_instance.IsMemoryProfilingEnable()) {
auto runtime_instance = device::KernelRuntimeManager::Instance().GetKernelRuntime(kAscendDevice, device_id_);
MS_EXCEPTION_IF_NULL(runtime_instance);
uint64_t mem_size = runtime_instance->GetAvailableMemMaxSize();
profiling_instance.SetDeviceMemSize(mem_size);
profiling_instance.SaveMemoryProfiling();
}
// return the root_graph id to backend
auto graph_id = root_graph->graph_id();
return graph_id;
}
void AscendSession::SetFinalGraphSummaryFlag(const std::shared_ptr<KernelGraph> &kernel_graph) {
MS_EXCEPTION_IF_NULL(kernel_graph);
auto graph_order = GetGraphOrder(kernel_graph->graph_id());
for (auto graph_id : graph_order) {
auto child_graph = GetGraph(graph_id);
if (child_graph == nullptr) {
continue;
}
if (child_graph->summary_node_exist()) {
kernel_graph->set_summary_node_exist(true);
return;
}
}
kernel_graph->set_summary_node_exist(false);
}
void AscendSession::BuildGraphImpl(GraphId graph_id) {
MS_LOG(INFO) << "Start";
auto graph = GetGraph(graph_id);
MS_EXCEPTION_IF_NULL(graph);
// resource initialize
InitRuntimeResource();
// multiple graph handle
if (graph_id == final_graph_id_) {
MS_LOG(EXCEPTION) << "Unexpected graph id:" << graph_id << ", final_graph_id_:" << final_graph_id_;
}
auto single_graph = GetGraph(graph_id);
MS_EXCEPTION_IF_NULL(single_graph);
CompileChildGraph(single_graph);
// set the distinction label of single graph
single_graph->set_stream_distinction_label(graph_id);
single_graph->UpdateExecuteKernelStreamLabel();
// adjust execution order because merge child graph and other special operations
AdjustKernel(graph);
#if ENABLE_CPU && ENABLE_D
InitPsWorker(graph);
#endif
// Assign streams for control sink and hccl and so on
AssignStream(NOT_NULL(graph));
device::KernelAdjust::GetInstance().Profiling(NOT_NULL(graph.get()));
// build kernel if node is cnode
BuildKernel(graph);
auto ms_context = MsContext::GetInstance();
MS_EXCEPTION_IF_NULL(ms_context);
if (debugger_ && debugger_->partial_memory()) {
debugger_->PreExecute(graph);
}
if (ms_context->get_param<bool>(MS_CTX_PRECOMPILE_ONLY)) {
MS_LOG(INFO) << "Precompile only, stop in build kernel step";
} else {
// alloc memory, including static memory and dynamic memory
MemoryAlloc(graph.get());
// generate and load task info to device if it is sink mode
Load(graph);
}
// sync the initial const tensor to device
SyncInitialTenosrToDevice();
DumpAllGraphs({graph});
MS_LOG(INFO) << "End";
}
void AscendSession::CompileChildGraph(const KernelGraphPtr &child_graph) {
MS_EXCEPTION_IF_NULL(child_graph);
MS_LOG(INFO) << "CompileChildGraph " << child_graph->ToString();
opt::AscendBackendIRFusionOptimization(child_graph);
child_graph->SetExecOrderByDefault();
auto context_ptr = MsContext::GetInstance();
MS_EXCEPTION_IF_NULL(context_ptr);
bool save_graphs = context_ptr->get_param<bool>(MS_CTX_SAVE_GRAPHS_FLAG);
if (save_graphs) {
std::string file_name = "select_kernel_before_graph_" + std::to_string(child_graph->graph_id()) + ".ir";
DumpIR(file_name, child_graph);
}
// select kernel build info
SelectKernel(*child_graph);
if (save_graphs) {
std::string file_name = "select_kernel_after_graph_" + std::to_string(child_graph->graph_id()) + ".ir";
DumpIR(file_name, child_graph);
}
// optimize graph
HardwareOptimize(child_graph);
// assign static memory of parameters
auto runtime_instance = device::KernelRuntimeManager::Instance().GetKernelRuntime(kAscendDevice, device_id_);
MS_EXCEPTION_IF_NULL(runtime_instance);
runtime_instance->AssignStaticMemoryInput(child_graph.get());
runtime_instance->AssignStaticMemoryValueNode(child_graph.get());
}
bool AscendSession::IsSupportSummary() { return !device::KernelAdjust::NeedInsertSwitch(); }
void AscendSession::PreExecuteGraph(const std::shared_ptr<KernelGraph> &kernel_graph,
const std::vector<tensor::TensorPtr> &inputs, VectorRef *const) {
if (debugger_) {
debugger_->PreExecute(kernel_graph);
}
#if ENABLE_CPU && ENABLE_D
// Initialize parameter server
InitPSParamAndOptim(kernel_graph, inputs);
std::string channel_name;
if (ps::PsDataPrefetch::GetInstance().cache_enable() && IsGetNextGraph(kernel_graph, &channel_name)) {
ps::ps_cache_instance.IncreaseGraphStep(channel_name);
}
#endif
}
void AscendSession::PostExecuteGraph(const std::shared_ptr<KernelGraph> &kernel_graph,
const std::vector<tensor::TensorPtr> &inputs, VectorRef *const) {
// summary
Summary(kernel_graph.get());
// load tensor from device for debugger
if (debugger_ && debugger_->debugger_enabled()) {
LoadTensor(kernel_graph);
}
// debugger post-execution processing
if (debugger_) {
debugger_->PostExecute();
}
}
void AscendSession::ExecuteGraph(const std::shared_ptr<KernelGraph> &kernel_graph) { Execute(kernel_graph, true); }
void AscendSession::RunOpHardwareOptimize(const std::shared_ptr<session::KernelGraph> &kernel_graph) const {
MS_LOG(INFO) << "HardwareOptimize Start";
opt::RunOpAscendBackendOptimization(kernel_graph);
MS_LOG(INFO) << "HardwareOptimize Finish";
}
bool AscendSession::GraphCacheExist(const GraphInfo &graph_info) const {
return run_op_graphs_.find(graph_info) != run_op_graphs_.end();
}
void AscendSession::BuildOpImpl(const OpRunInfo &op_run_info, const GraphInfo &graph_info,
const std::vector<tensor::TensorPtr> &input_tensors,
const std::vector<int64_t> &tensors_mask) {
if (GraphCacheExist(graph_info)) {
return;
}
const auto &graph = PreBuildOp(op_run_info, input_tensors, tensors_mask);
MS_EXCEPTION_IF_NULL(graph);
// init runtime resource
InitRuntimeResource();
// build kernel
RunOpAdjustKernel(graph);
BuildKernel(graph);
run_op_graphs_[graph_info] = graph;
}
void AscendSession::RunOpImpl(const GraphInfo &graph_info, OpRunInfo *op_run_info,
std::vector<tensor::TensorPtr> *input_tensors, VectorRef *outputs,
const std::vector<int64_t> &tensors_mask) {
MS_EXCEPTION_IF_NULL(input_tensors);
MS_EXCEPTION_IF_NULL(op_run_info);
BuildOpImpl(*op_run_info, graph_info, *input_tensors, tensors_mask);
EraseValueNodeTensor(tensors_mask, input_tensors);
// wait for allreduce
for (auto &tensor : *input_tensors) {
if (tensor->NeedWaitDevice()) {
tensor->WaitDevice();
}
}
// Run op
auto graph = run_op_graphs_[graph_info];
MS_EXCEPTION_IF_NULL(graph);
// malloc mem
RunOpRemoveNopNode(graph);
RunOpMemoryAlloc(*input_tensors, graph.get());
RunOpGenKernelEvent(graph.get());
// Build dynamic kernel
if (op_run_info->is_dynamic_shape) {
BuildDynamicKernel(graph);
}
// load input data to device
LoadInputData(graph, *input_tensors);
// run op
Execute(graph, false);
// get output
UpdateOutputs(graph, outputs, *input_tensors);
// update output abstract of dynamic op to op_run_info
if (op_run_info->is_dynamic_shape) {
UpdateOutputAbstract(graph, op_run_info);
}
RunOpMemoryClear(graph.get());
}
KernelGraphPtr AscendSession::PreBuildOp(const OpRunInfo &op_run_info,
const std::vector<tensor::TensorPtr> &input_tensors,
const std::vector<int64_t> &tensors_mask) {
// Construct graph include one op
auto graph = ConstructSingleOpGraph(op_run_info, input_tensors, tensors_mask, true);
MS_EXCEPTION_IF_NULL(graph);
opt::RunOpAscendBackendIRFusionOptimization(graph);
SelectKernel(*graph);
RunOpHardwareOptimize(graph);
return graph;
}
void AscendSession::GetOpInputStubTensors(const CNodePtr &cnode, const std::map<AnfNodePtr, size_t> &parameter_index,
const std::vector<tensor::TensorPtr> &graph_inputs,
const std::map<KernelWithIndex, OutputTensorInfo> &node_output_info,
InputTensorInfo *input_tensor_info) {
MS_EXCEPTION_IF_NULL(cnode);
MS_EXCEPTION_IF_NULL(input_tensor_info);
const auto input_tensor_num = AnfAlgo::GetInputTensorNum(cnode);
for (size_t i = 1; i <= input_tensor_num; i += 1) {
const auto &input = cnode->input(i);
auto kernel_with_index = AnfAlgo::VisitKernel(input, 0);
auto real_input = kernel_with_index.first;
MS_EXCEPTION_IF_NULL(real_input);
tensor::TensorPtr tensor = nullptr;
if (real_input->isa<ValueNode>()) {
tensor = GetValueNodeOutputTensor(real_input, kernel_with_index.second);
input_tensor_info->input_tensors_mask.emplace_back(kParameterDataTensorMask);
} else if (real_input->isa<Parameter>()) {
tensor = GetParameterOutputTensor(real_input, parameter_index, graph_inputs);
auto parameter = real_input->cast<ParameterPtr>();
MS_EXCEPTION_IF_NULL(parameter);
input_tensor_info->input_tensors_mask.emplace_back(parameter->has_default() ? kParameterWeightTensorMask
: kParameterDataTensorMask);
} else if (real_input->isa<CNode>()) {
bool output_is_weight = false;
tensor = GetCNodeOutputStubTensor(kernel_with_index, node_output_info, &output_is_weight);
input_tensor_info->input_tensors_mask.emplace_back(output_is_weight ? kParameterWeightTensorMask
: kParameterDataTensorMask);
} else {
MS_LOG(EXCEPTION) << "Invalid input node, node = " << real_input->DebugString();
}
MS_EXCEPTION_IF_NULL(tensor);
MS_LOG(DEBUG) << "Get" << i << "th input tensor of " << cnode->fullname_with_scope() << " from "
<< real_input->fullname_with_scope() << "-" << kernel_with_index.second;
input_tensor_info->input_tensors.emplace_back(tensor);
}
}
void AscendSession::BuildOpsInGraph(const GraphId &graph_id, const std::map<AnfNodePtr, size_t> &parameter_index,
const std::vector<tensor::TensorPtr> &graph_inputs,
const std::map<KernelWithIndex, size_t> &cnode_refcount) {
if (built_graph_id_.find(graph_id) != built_graph_id_.end()) {
return;
}
auto graph = GetGraph(graph_id);
MS_EXCEPTION_IF_NULL(graph);
std::map<KernelWithIndex, OutputTensorInfo> op_output_info;
std::vector<CNodePtr> kernels;
std::unordered_map<KernelGraphPtr, GraphInfo> single_op_graphs;
// Collect kernels need to be built in single op graphs
for (const auto &kernel : graph->execution_order()) {
// Generate fake input tensors, tensor masks and input kernel with index
InputTensorInfo input_tensor_info;
GetOpInputStubTensors(kernel, parameter_index, graph_inputs, op_output_info, &input_tensor_info);
// Get OpRunInfo and GraphInfo
OpRunInfo op_run_info;
GetSingleOpRunInfo(kernel, &op_run_info);
if (op_run_info.is_dynamic_shape) {
MS_LOG(INFO) << "BuildOpsInGraph stop, op " << op_run_info.op_name << " is dynamic shape.";
break;
}
const GraphInfo &graph_info = GetSingleOpGraphInfo(kernel, input_tensor_info.input_tensors);
const auto &single_op_graph_iter = run_op_graphs_.find(graph_info);
if (single_op_graph_iter != run_op_graphs_.end()) {
// if graph of same single op exists, the output tensor of current op should be generated
GenOpOutputStubTensor(single_op_graph_iter->second, kernel, cnode_refcount, &op_output_info);
continue;
}
const auto &single_op_graph =
PreBuildOp(op_run_info, input_tensor_info.input_tensors, input_tensor_info.input_tensors_mask);
MS_EXCEPTION_IF_NULL(single_op_graph);
GenOpOutputStubTensor(single_op_graph, kernel, cnode_refcount, &op_output_info);
opt::HideNopNode(single_op_graph.get());
// The graph info could have been changed in PreBuildOp
const GraphInfo &new_graph_info = GetSingleOpGraphInfo(kernel, input_tensor_info.input_tensors);
single_op_graphs.emplace(single_op_graph, new_graph_info);
const auto &execution_order = single_op_graph->execution_order();
std::copy(execution_order.begin(), execution_order.end(), std::back_inserter(kernels));
}
InitRuntimeResource();
// Compile all kernels parallel
BuildKernel(kernels);
// Some new kernel may be added after KernelBuildPreprocess, so collect and build kernels again
kernels.clear();
for (const auto &graph_item : single_op_graphs) {
device::ascend::KernelBuildPreprocess(graph_item.first.get());
const auto &execution_order = graph_item.first->execution_order();
std::copy(execution_order.begin(), execution_order.end(), std::back_inserter(kernels));
}
BuildKernel(kernels);
// Record single op graphs in run_op_graphs_ so that these graphs can be reused in BuildOpImpl
for (const auto &graph_item : single_op_graphs) {
RunOpMemoryClear(graph_item.first.get());
run_op_graphs_[graph_item.second] = graph_item.first;
MS_LOG(DEBUG) << "Pre build op finished, graph info: " << graph_item.second;
}
built_graph_id_.insert(graph_id);
}
// compile graph steps
void AscendSession::SelectKernel(const KernelGraph &kernel_graph) const {
MS_LOG(INFO) << "Start!";
size_t raise_precision_count = 0;
size_t reduce_precision_count = 0;
for (const auto &cnode : kernel_graph.execution_order()) {
auto status = device::ascend::SelectKernelInfo(cnode);
AnfAlgo::EraseNodeAttr(kAttrPynativeNextOpName, cnode);
AnfAlgo::EraseNodeAttr(kAttrPynativeNextIndex, cnode);
if (status == device::ascend::kStatusRaisePrecision) {
raise_precision_count++;
} else if (status == device::ascend::kStatusReducePrecision) {
reduce_precision_count++;
}
MS_LOG(INFO) << "Select ApplyKernel: " << cnode->DebugString();
}
auto ms_context = MsContext::GetInstance();
MS_EXCEPTION_IF_NULL(ms_context);
if (ms_context->get_param<int>(MS_CTX_EXECUTION_MODE) == kGraphMode) {
if (raise_precision_count > 0) {
MS_LOG(WARNING) << "There has " << raise_precision_count
<< " node/nodes used raise precision to selected the kernel!";
}
if (reduce_precision_count > 0) {
MS_LOG(WARNING) << "There has " << reduce_precision_count
<< " node/nodes used reduce precision to selected the kernel!";
}
}
MS_LOG(INFO) << "Finish!";
}
void DumpInit(uint32_t device_id) {
auto &json_parser = DumpJsonParser::GetInstance();
json_parser.Parse();
json_parser.CopyJsonToDir(device_id);
json_parser.CopyHcclJsonToDir(device_id);
json_parser.CopyMSCfgJsonToDir(device_id);
if (json_parser.async_dump_enabled()) {
if (AdxDataDumpServerInit() != 0) {
MS_LOG(EXCEPTION) << "Adx data dump server init failed";
}
}
}
void AscendSession::InitRuntimeResource() {
MS_LOG(INFO) << "Start!";
auto runtime_instance = device::KernelRuntimeManager::Instance().GetKernelRuntime(kAscendDevice, device_id_);
MS_EXCEPTION_IF_NULL(runtime_instance);
if (!runtime_instance->Init()) {
MS_LOG(EXCEPTION) << "Kernel runtime init error.";
}
auto ms_context = MsContext::GetInstance();
MS_EXCEPTION_IF_NULL(ms_context);
auto env_rank_id = common::GetEnv("RANK_ID");
if (ms_context->get_param<bool>(MS_CTX_ENABLE_HCCL) && !env_rank_id.empty()) {
// get actual rank id if it's distribution training case.
rank_id_ = GetRankId();
}
DumpInit(rank_id_);
MS_LOG(INFO) << "Finish!";
}
void AscendSession::HardwareOptimize(const std::shared_ptr<KernelGraph> &kernel_graph) const {
MS_LOG(INFO) << "HardwareOptimize start!";
opt::AscendBackendOptimization(kernel_graph);
FinalOptimize(kernel_graph);
GraphKernelOptimize(kernel_graph);
MS_EXCEPTION_IF_NULL(kernel_graph);
kernel_graph->SetExecOrderByDefault();
MS_LOG(INFO) << "HardwareOptimize Finish!";
}
void AscendSession::GraphKernelOptimize(const std::shared_ptr<KernelGraph> &kernel_graph) const {
if (!context::GraphKernelFlags::GetInstance().IsEnableGraphKernel()) {
return;
}
opt::GraphKernelOptimize(kernel_graph);
kernel_graph->SetExecOrderByDefault();
}
void AscendSession::AdjustKernel(const std::shared_ptr<KernelGraph> &kernel_graph) const {
MS_LOG(INFO) << "Start!";
opt::HideNopNode(kernel_graph.get());
// Insert CLearZero op
// prepare for next step from json get atomic info
BuildKernel(kernel_graph);
device::ascend::KernelBuildPreprocess(kernel_graph.get());
device::KernelAdjust::GetInstance().InsertSwitchLoop(kernel_graph);
auto context_ptr = MsContext::GetInstance();
MS_EXCEPTION_IF_NULL(context_ptr);
bool save_graphs = context_ptr->get_param<bool>(MS_CTX_SAVE_GRAPHS_FLAG);
if (save_graphs) {
DumpIR("after_adjust_kernel.ir", kernel_graph);
}
MS_LOG(INFO) << "Finish!";
}
void AscendSession::RunOpAdjustKernel(const std::shared_ptr<KernelGraph> &kernel_graph) const {
MS_LOG(INFO) << "Start!";
RunOpHideNopNode(kernel_graph);
// Insert CLearZero op
// prepare for next step from json get atomic info
BuildKernel(kernel_graph);
device::ascend::KernelBuildPreprocess(kernel_graph.get());
MS_LOG(INFO) << "Finish!";
}
void AscendSession::AssignStream(NotNull<KernelGraphPtr> kernel_graph) const {
MS_LOG(INFO) << "Start!";
device::ascend::AscendStreamAssign::GetInstance().AssignStream(kernel_graph);
MS_LOG(INFO) << "Finish!";
}
void AscendSession::BuildKernel(const std::shared_ptr<KernelGraph> &kernel_graph) const {
BuildKernel(kernel_graph->execution_order());
}
void AscendSession::BuildKernel(const std::vector<CNodePtr> &kernels) const {
MS_LOG(INFO) << "Start!";
struct timeval start_time, end_time;
(void)gettimeofday(&start_time, nullptr);
auto ret = device::ascend::KernelBuild(kernels);
if (!ret) {
MS_LOG(EXCEPTION) << "Kernel build error.";
}
(void)gettimeofday(&end_time, nullptr);
const uint64_t kUSecondInSecond = 1000000;
uint64_t cost = kUSecondInSecond * static_cast<uint64_t>(end_time.tv_sec - start_time.tv_sec);
cost += static_cast<uint64_t>(end_time.tv_usec - start_time.tv_usec);
MS_LOG(INFO) << "KernelBuild run in " << PRIu64 << " us " << cost;
MS_LOG(INFO) << "Finish!";
}
void AscendSession::BuildDynamicKernel(const std::shared_ptr<KernelGraph> &kernel_graph) const {
MS_LOG(DEBUG) << "Start!";
MS_EXCEPTION_IF_NULL(kernel_graph);
const auto &kernels = kernel_graph->execution_order();
auto iter = std::find_if(kernels.begin(), kernels.end(), [](const CNodePtr &kernel) {
return AnfAlgo::GetBooleanAttr(kernel, kAttrOutputIsDynamicShape);
});
if (iter == kernels.end()) {
return;
}
auto runtime_instance = device::KernelRuntimeManager::Instance().GetKernelRuntime(kAscendDevice, device_id_);
MS_EXCEPTION_IF_NULL(runtime_instance);
if (!runtime_instance->GenDynamicKernel(kernel_graph.get())) {
MS_LOG(DEBUG) << "Graph:" << kernel_graph->graph_id() << " failed to generate dynamic kernel!";
}
MS_LOG(DEBUG) << "Finish!";
}
static CNodePtr GetNextLabelSet(const std::vector<CNodePtr> &kernel_nodes, uint32_t index) {
size_t node_sizes = kernel_nodes.size();
if (index >= node_sizes - 1) {
MS_LOG(EXCEPTION) << "there is no node after this node:" << kernel_nodes[index]->DebugString();
}
auto kernel = kernel_nodes[index + 1];
if (AnfAlgo::GetCNodeName(kernel) != kLabelSetOpName) {
MS_LOG(EXCEPTION) << "the node is not labelset follow labelgoto/labelswitch, node: "
<< kernel_nodes[index]->DebugString();
}
return kernel;
}
static std::vector<CNodePtr> HandleRecursiveCall(const std::vector<CNodePtr> &kernel_cnodes, const uint32_t &back_label,
uint32_t *index, std::vector<CNodePtr> *back) {
MS_EXCEPTION_IF_NULL(index);
MS_EXCEPTION_IF_NULL(back);
std::vector<CNodePtr> front;
std::vector<CNodePtr> back_temp;
bool back_flag = false;
uint32_t i = *index;
while (i < kernel_cnodes.size()) {
if (!back_flag) {
front.emplace_back(kernel_cnodes[i]);
} else {
back->emplace_back(kernel_cnodes[i]);
}
if (AnfAlgo::HasNodeAttr(kAttrRecursiveEnd, kernel_cnodes[i])) {
*index = i;
back->insert(back->end(), back_temp.begin(), back_temp.end());
return front;
}
if (AnfAlgo::HasNodeAttr(kAttrRecursive, kernel_cnodes[i])) {
back_flag = true;
if (!AnfAlgo::IsLabelIndexInNode(kernel_cnodes[i], back_label)) {
auto temp = HandleRecursiveCall(kernel_cnodes, back_label, &(++i), &back_temp);
front.insert(front.end(), temp.begin(), temp.end());
}
}
i++;
}
return front;
}
static void UnfoldRecursiveExecOrder(KernelGraph *kernel_graph) {
MS_EXCEPTION_IF_NULL(kernel_graph);
if (!kernel_graph->recursive_call()) {
return;
}
auto kernel_cnodes = kernel_graph->mem_reuse_exec_order();
std::vector<CNodePtr> mem_reuse_order;
mem_reuse_order.reserve(kernel_cnodes.size());
for (uint32_t i = 0; i < kernel_cnodes.size(); i++) {
if (!AnfAlgo::HasNodeAttr(kAttrRecursiveStart, kernel_cnodes[i])) {
mem_reuse_order.emplace_back(kernel_cnodes[i]);
continue;
}
auto label_id = AnfAlgo::GetNodeAttr<uint32_t>(kernel_cnodes[i], kAttrLabelIndex);
std::vector<CNodePtr> back;
auto front = HandleRecursiveCall(kernel_cnodes, label_id, &i, &back);
mem_reuse_order.insert(mem_reuse_order.end(), front.begin(), front.end());
mem_reuse_order.insert(mem_reuse_order.end(), back.begin(), back.end());
}
kernel_graph->set_mem_reuse_exec_order(mem_reuse_order);
}
static void GetSubGraphExecOrder(const KernelGraph *kernel_graph, uint32_t index, const CNodePtr &back_node,
std::vector<CNodePtr> *mem_reuse_order) {
MS_EXCEPTION_IF_NULL(kernel_graph);
MS_EXCEPTION_IF_NULL(mem_reuse_order);
auto label_id = AnfAlgo::GetNodeAttr<uint32_t>(back_node, kAttrLabelIndex);
auto kernel_cnodes = kernel_graph->execution_order();
for (auto i = index; i < kernel_cnodes.size(); i++) {
mem_reuse_order->emplace_back(kernel_cnodes[i]);
if (AnfAlgo::IsLabelIndexInNode(kernel_cnodes[i], label_id)) {
return;
}
}
}
void InitMemReuseExecOrder(KernelGraph *kernel_graph) {
MS_EXCEPTION_IF_NULL(kernel_graph);
if (!kernel_graph->subgraph_multi_call()) {
return;
}
std::unordered_map<uint32_t, uint32_t> label_id_index_map;
auto kernel_cnodes = kernel_graph->execution_order();
std::vector<CNodePtr> mem_reuse_order;
for (uint32_t i = 0; i < kernel_cnodes.size(); i++) {
mem_reuse_order.emplace_back(kernel_cnodes[i]);
if (AnfAlgo::CheckPrimitiveType(kernel_cnodes[i], prim::kPrimLabelSwitch) &&
!AnfAlgo::HasNodeAttr(kAttrRecursive, kernel_cnodes[i]) &&
!AnfAlgo::HasNodeAttr(kAttrReturn, kernel_cnodes[i])) {
auto label_list = AnfAlgo::GetNodeAttr<std::vector<uint32_t>>(kernel_cnodes[i], kAttrLabelSwitchList);
for (auto label_id : label_list) {
if (label_id_index_map.find(label_id) == label_id_index_map.end()) {
continue;
}
auto back_node = GetNextLabelSet(kernel_cnodes, i);
GetSubGraphExecOrder(kernel_graph, label_id_index_map[label_id], back_node, &mem_reuse_order);
}
continue;
}
if (AnfAlgo::CheckPrimitiveType(kernel_cnodes[i], prim::kPrimLabelGoto) &&
!AnfAlgo::HasNodeAttr(kAttrRecursive, kernel_cnodes[i]) &&
!AnfAlgo::HasNodeAttr(kAttrReturn, kernel_cnodes[i])) {
auto label_id = AnfAlgo::GetNodeAttr<uint32_t>(kernel_cnodes[i], kAttrLabelIndex);
if (label_id_index_map.find(label_id) == label_id_index_map.end()) {
continue;
}
auto back_node = GetNextLabelSet(kernel_cnodes, i);
GetSubGraphExecOrder(kernel_graph, label_id_index_map[label_id], back_node, &mem_reuse_order);
continue;
}
if (AnfAlgo::CheckPrimitiveType(kernel_cnodes[i], prim::kPrimLabelSet) &&
!AnfAlgo::HasNodeAttr(kAttrRecursive, kernel_cnodes[i])) {
auto label_id = AnfAlgo::GetNodeAttr<uint32_t>(kernel_cnodes[i], kAttrLabelIndex);
if (label_id_index_map.find(label_id) != label_id_index_map.end()) {
MS_LOG(EXCEPTION) << "Two labelsets with same label id.";
}
label_id_index_map[label_id] = i;
continue;
}
}
kernel_graph->set_mem_reuse_exec_order(mem_reuse_order);
UnfoldRecursiveExecOrder(kernel_graph);
}
void AscendSession::MemoryAlloc(KernelGraph *kernel_graph) const {
MS_LOG(INFO) << "Start!";
MS_EXCEPTION_IF_NULL(kernel_graph);
InitMemReuseExecOrder(kernel_graph);
auto runtime_instance = device::KernelRuntimeManager::Instance().GetKernelRuntime(kAscendDevice, device_id_);
MS_EXCEPTION_IF_NULL(runtime_instance);
runtime_instance->AssignMemory(kernel_graph);
MS_LOG(INFO) << "Finish!";
}
void AscendSession::RunOpMemoryAlloc(const std::vector<tensor::TensorPtr> &input_tensors,
KernelGraph *kernel_graph) const {
MS_EXCEPTION_IF_NULL(kernel_graph);
auto runtime_instance = device::KernelRuntimeManager::Instance().GetKernelRuntime(kAscendDevice, device_id_);
MS_EXCEPTION_IF_NULL(runtime_instance);
runtime_instance->RunOpAssignMemory(input_tensors, kernel_graph);
}
void AscendSession::RunOpGenKernelEvent(const KernelGraph *graph) const {
MS_EXCEPTION_IF_NULL(graph);
auto runtime_instance = device::KernelRuntimeManager::Instance().GetKernelRuntime(kAscendDevice, device_id_);
MS_EXCEPTION_IF_NULL(runtime_instance);
runtime_instance->GenKernelEvents(graph);
}
void AscendSession::RunOpMemoryClear(const KernelGraph *kernel_graph) const {
MS_EXCEPTION_IF_NULL(kernel_graph);
auto runtime_instance = device::KernelRuntimeManager::Instance().GetKernelRuntime(kAscendDevice, device_id_);
MS_EXCEPTION_IF_NULL(runtime_instance);
runtime_instance->RunOpClearMemory(kernel_graph);
}
void AscendSession::Load(const std::shared_ptr<KernelGraph> &kernel_graph) const {
MS_LOG(INFO) << "Start!";
auto context_ptr = MsContext::GetInstance();
MS_EXCEPTION_IF_NULL(context_ptr);
bool is_task_sink = context_ptr->get_param<bool>(MS_CTX_ENABLE_TASK_SINK);
(void)device::KernelAdjust::GetInstance().StepLoadCtrlInputs(kernel_graph);
auto runtime_instance = device::KernelRuntimeManager::Instance().GetKernelRuntime(kAscendDevice, device_id_);
MS_EXCEPTION_IF_NULL(runtime_instance);
bool ret_ok = runtime_instance->Load(kernel_graph.get(), is_task_sink);
if (!ret_ok) {
MS_LOG(EXCEPTION) << "Load task error!";
}
MS_LOG(INFO) << "Finish!";
}
void AscendSession::Execute(const std::shared_ptr<KernelGraph> &kernel_graph, bool is_task) const {
MS_LOG(DEBUG) << "Start!";
bool is_task_sink = false;
if (is_task) {
auto context_ptr = MsContext::GetInstance();
MS_EXCEPTION_IF_NULL(context_ptr);
is_task_sink = context_ptr->get_param<bool>(MS_CTX_ENABLE_TASK_SINK);
}
auto runtime_instance = device::KernelRuntimeManager::Instance().GetKernelRuntime(kAscendDevice, device_id_);
MS_EXCEPTION_IF_NULL(runtime_instance);
if (is_task) {
DumpSetup(kernel_graph);
}
bool ret_ok = runtime_instance->Run(kernel_graph.get(), is_task_sink);
if (is_task) {
Dump(kernel_graph);
}
if (!ret_ok) {
#ifdef ENABLE_DUMP_IR
mindspore::RDR::TriggerAll();
#endif
MS_LOG(EXCEPTION) << "run task error!";
}
MS_LOG(DEBUG) << "Finish!";
}
void AscendSession::DumpSetup(const std::shared_ptr<KernelGraph> &kernel_graph) const {
MS_LOG(DEBUG) << "Start!";
MS_EXCEPTION_IF_NULL(kernel_graph);
E2eDump::DumpSetup(kernel_graph.get(), rank_id_);
MS_LOG(DEBUG) << "Finish!";
}
void AscendSession::Dump(const std::shared_ptr<KernelGraph> &kernel_graph) const {
MS_LOG(DEBUG) << "Start!";
MS_EXCEPTION_IF_NULL(kernel_graph);
E2eDump::DumpData(kernel_graph.get(), rank_id_);
MS_LOG(DEBUG) << "Finish!";
}
void AscendSession::DumpAllGraphs(const std::vector<KernelGraphPtr> &all_graphs) {
#ifdef ENABLE_DUMP_IR
auto context_ptr = MsContext::GetInstance();
MS_EXCEPTION_IF_NULL(context_ptr);
bool save_graphs = context_ptr->get_param<bool>(MS_CTX_SAVE_GRAPHS_FLAG);
auto &json_parser = DumpJsonParser::GetInstance();
json_parser.Parse();
if (!save_graphs && !json_parser.e2e_dump_enabled() && !json_parser.async_dump_enabled() &&
!mindspore::RecorderManager::Instance().RdrEnable()) {
return;
}
auto kernel_runtime = device::KernelRuntimeManager::Instance().GetKernelRuntime(kAscendDevice, device_id_);
MS_EXCEPTION_IF_NULL(kernel_runtime);
for (auto &graph : all_graphs) {
MS_EXCEPTION_IF_NULL(graph);
std::string name = "graph_build." + std::to_string(graph->graph_id());
DumpGraphParams dump_params = {true, static_cast<int>(kWholeStack)};
(void)mindspore::RDR::RecordAnfGraph(SUBMODULE_ID, name, graph, dump_params, ".ir;.pb");
if (save_graphs) {
std::string file_name = "graph_build_" + std::to_string(graph->graph_id()) + ".ir";
DumpIR(file_name, graph, true, kWholeStack);
DumpIRProto(graph, "vm_build_" + std::to_string(graph->graph_id()));
DumpIR("trace_code_graph", graph, true, kWholeStack);
}
std::string final_graph = "trace_code_graph_" + std::to_string(graph->graph_id());
if (json_parser.e2e_dump_enabled() || json_parser.async_dump_enabled()) {
std::string root_dir = json_parser.path() + "/rank_" + std::to_string(rank_id_);
std::string target_dir = root_dir + "/graphs";
std::string ir_file_path = target_dir + "/" + "ms_output_" + final_graph + ".ir";
DumpIRProtoWithSrcInfo(graph, final_graph, target_dir, kDebugWholeStack);
DumpIR("trace_code_graph", graph, true, kWholeStack, ir_file_path);
DumpGraphExeOrder("ms_execution_order_graph_" + std::to_string(graph->graph_id()) + ".csv", root_dir,
graph->execution_order());
}
}
#endif
}
void AscendSession::LoadTensor(const std::shared_ptr<KernelGraph> &kernel_graph) const {
MS_LOG(INFO) << "Start!";
MS_EXCEPTION_IF_NULL(kernel_graph);
auto runtime_instance = device::KernelRuntimeManager::Instance().GetKernelRuntime(kAscendDevice, device_id_);
MS_EXCEPTION_IF_NULL(runtime_instance);
(void)runtime_instance->LoadData(kernel_graph.get());
MS_LOG(INFO) << "Finish!";
}
void AscendSession::RecurseSetSummaryNodes(KernelGraph *graph,
std::map<std::string, std::pair<AnfNodePtr, int>> *summary) {
MS_EXCEPTION_IF_NULL(graph);
MS_EXCEPTION_IF_NULL(summary);
// if final graph have no child graph
auto graph_order_iter = graph_execute_orders_.find(graph->graph_id());
if (graph_order_iter == graph_execute_orders_.end()) {
SessionBasic::SetSummaryNodes(graph);
auto summary_nodes = graph->summary_nodes();
summary->insert(summary_nodes.begin(), summary_nodes.end());
return;
}
// for every child graph, find summary nodes
auto graph_order = GetGraphOrder(graph->graph_id());
for (size_t i = 0; i < graph_order.size(); i++) {
auto child_graph = GetGraph(graph_order[i]);
if (child_graph == nullptr) {
continue;
}
SessionBasic::SetSummaryNodes(child_graph.get());
auto child_graph_summary = child_graph->summary_nodes();
summary->insert(child_graph_summary.begin(), child_graph_summary.end());
RecurseSetSummaryNodes(child_graph.get(), summary);
}
graph->set_summary_nodes(*summary);
}
void AscendSession::SetSummaryNodes(KernelGraph *graph) {
MS_LOG(DEBUG) << "Update summary Start";
MS_EXCEPTION_IF_NULL(graph);
auto summary_nodes = graph->summary_nodes();
std::map<std::string, std::pair<AnfNodePtr, int>> summary;
summary.insert(summary_nodes.begin(), summary_nodes.end());
RecurseSetSummaryNodes(graph, &summary);
graph->set_summary_nodes(summary);
MS_LOG(DEBUG) << "Update summary end size: " << summary.size();
}
void AscendSession::MergeGraphExecOrder() {
MS_LOG(INFO) << "Start!";
// merge graph order
auto &graph_order = GetGraphOrder(final_graph_id_);
auto &graph_type = GetGraphOrderType(final_graph_id_);
auto final_graph = GetGraph(final_graph_id_);
MS_EXCEPTION_IF_NULL(final_graph);
if (graph_order.empty()) {
MS_LOG(WARNING) << "Graph output is a lonely variable not linked to any op!";
return;
}
if (graph_order.size() > 1) {
auto context_ptr = MsContext::GetInstance();
MS_EXCEPTION_IF_NULL(context_ptr);
if (!context_ptr->get_param<bool>(MS_CTX_ENABLE_TASK_SINK)) {
MS_LOG(EXCEPTION) << "Control sink network should run with task-sink mode!";
}
}
// if first graph is common,the final graph has no label,then set the stream of final graph same with the first graph
SetStreamDistinctionLabel(final_graph, graph_order[0], false);
std::vector<CNodePtr> final_exec_order = final_graph->execution_order();
KernelGraphPtr last_graph = nullptr;
for (size_t i = 0; i < graph_order.size(); i++) {
auto graph_id = graph_order[i];
if (graph_type[i] == BRANCH_END || graph_type[i] == BRANCH_START) {
continue;
}
auto child_graph = GetGraph(graph_id);
last_graph = child_graph;
MS_EXCEPTION_IF_NULL(child_graph);
auto exec_order = child_graph->execution_order();
MS_LOG(INFO) << "Merge graph,graph_id " << graph_id;
(void)std::transform(exec_order.begin(), exec_order.end(), std::back_inserter(final_exec_order),
[&](CNodePtr node) -> CNodePtr {
AnfAlgo::SetStreamDistinctionLabel(child_graph->stream_distinction_label(), node.get());
return node;
});
// add all value nodes of child graphs to final graph
for (auto &value_node : child_graph->graph_value_nodes()) {
final_graph->AddValueNodeToGraph(value_node);
}
// copy ref map to final graph
auto child_ref_map = child_graph->GetRefMap();
for (auto &item : child_ref_map) {
if (final_graph->IsInRefOutputMap(item.first)) {
MS_LOG(EXCEPTION) << "The ref pair is already in final graph!";
}
final_graph->AddRefCorrespondPairs(item.first, item.second);
}
}
// set final_exec_order into final graph
MS_EXCEPTION_IF_NULL(final_graph);
DumpGraphExeOrder(final_exec_order);
final_graph->set_execution_order(final_exec_order);
}
const std::vector<GraphId> &AscendSession::GetGraphOrder(GraphId final_graph_id) const {
auto graph_order_iter = graph_execute_orders_.find(final_graph_id);
if (graph_order_iter == graph_execute_orders_.end()) {
MS_LOG(EXCEPTION) << "Final graph" << final_graph_id << "has no child graph";
}
return graph_order_iter->second;
}
const std::vector<GraphType> &AscendSession::GetGraphOrderType(GraphId final_graph_id) const {
auto graph_type_iter = graph_order_types_.find(final_graph_id);
if (graph_type_iter == graph_order_types_.end()) {
MS_LOG(EXCEPTION) << "Final graph" << final_graph_id << "has no graph_order_types_";
}
return graph_type_iter->second;
}
void AscendSession::SyncInitialTenosrToDevice() {
for (auto &item : initial_tenosrs_) {
auto to_graph_id = item.first.first;
auto input_idx = item.first.second;
auto front_tensor = item.second;
auto to_graph = GetGraph(to_graph_id);
MS_EXCEPTION_IF_NULL(to_graph);
std::vector<AnfNodePtr> graph_inputs = to_graph->inputs();
if (input_idx >= graph_inputs.size()) {
MS_LOG(EXCEPTION) << "Input_index " << input_idx << " out of range size " << graph_inputs.size();
}
auto backend_parameter = graph_inputs[input_idx];
// sync data from host to device
MS_EXCEPTION_IF_NULL(front_tensor);
size_t tensor_size = front_tensor->data().nbytes();
auto addr = AnfAlgo::GetOutputAddr(backend_parameter, 0);
MS_EXCEPTION_IF_NULL(addr);
if (!addr->SyncHostToDevice(trans::GetRuntimePaddingShape(backend_parameter, 0), tensor_size,
front_tensor->data_type(), front_tensor->data_c(),
front_tensor->device_info().host_format_)) {
MS_LOG(EXCEPTION) << "Tensor SyncHostToDevice fail!";
}
}
}
void AscendSession::RootGraphExecutorValidate(NotNull<KernelGraphPtr> graph) {
AscendAutoMonad auto_monad(graph);
auto_monad.GenerateExecuteOrder();
}
void AscendSession::IrFusionPass(const NotNull<KernelGraphPtr> graph, NotNull<std::set<KernelGraphPtr> *> memo) {
if (memo->find(graph) != memo->end()) {
return;
}
memo->insert(graph.get());
opt::AscendBackendIRFusionOptimization(graph);
graph->SetExecOrderByDefault();
auto context_ptr = MsContext::GetInstance();
MS_EXCEPTION_IF_NULL(context_ptr);
bool save_graphs = context_ptr->get_param<bool>(MS_CTX_SAVE_GRAPHS_FLAG);
if (save_graphs) {
std::string file_name = "select_kernel_before_graph_" + std::to_string(graph->graph_id()) + ".ir";
DumpIR(file_name, graph.get());
}
for (auto &child_graph : graph->child_graph_order()) {
IrFusionPass(NOT_NULL(child_graph.lock()), memo);
}
}
void AscendSession::SelectKernel(NotNull<KernelGraphPtr> root_graph) {
MS_LOG(INFO) << "Start select kernel.";
size_t raise_precision_count = 0;
size_t reduce_precision_count = 0;
std::set<KernelGraphPtr> memo;
(void)RecurseSelectKernelInfo(root_graph, NOT_NULL(&memo), &raise_precision_count, &reduce_precision_count);
memo.clear();
auto ms_context = MsContext::GetInstance();
MS_EXCEPTION_IF_NULL(ms_context);
if (ms_context->get_param<int>(MS_CTX_EXECUTION_MODE) == kGraphMode) {
if (raise_precision_count > 0) {
MS_LOG(WARNING) << "There are " << raise_precision_count
<< " node/nodes used raise precision to selected the kernel!";
}
if (reduce_precision_count > 0) {
MS_LOG(WARNING) << "There are " << reduce_precision_count
<< " node/nodes used reduce precision to selected the kernel!";
}
}
MS_LOG(INFO) << "Finish!";
}
void AscendSession::RecurseSelectKernelInfo(NotNull<KernelGraphPtr> graph,
NotNull<std::set<KernelGraphPtr> *> const memo,
size_t *const raise_precision_count,
size_t *const reduce_precision_count) const {
if (memo->find(graph) != memo->end()) {
return;
}
memo->insert(graph.get());
MS_LOG(INFO) << "Start to select kernel info in graph: " << graph->graph_id();
for (const auto &cnode : graph->execution_order()) {
if (AnfAlgo::IsCondControlKernel(cnode)) {
std::vector<KernelGraphPtr> child_graphs;
if (AnfAlgo::HasNodeAttr(kAttrChildGraph, cnode)) {
child_graphs = AnfAlgo::GetNodeAttr<std::vector<KernelGraphPtr>>(cnode, kAttrChildGraph);
}
for (auto &child_graph : child_graphs) {
RecurseSelectKernelInfo(NOT_NULL(child_graph), memo, raise_precision_count, reduce_precision_count);
}
}
auto status = device::ascend::SelectKernelInfo(cnode);
if (status == device::ascend::kStatusRaisePrecision) {
(*raise_precision_count)++;
} else if (status == device::ascend::kStatusReducePrecision) {
(*reduce_precision_count)++;
}
}
auto context_ptr = MsContext::GetInstance();
MS_EXCEPTION_IF_NULL(context_ptr);
bool save_graphs = context_ptr->get_param<bool>(MS_CTX_SAVE_GRAPHS_FLAG);
if (save_graphs) {
std::string file_name = "select_kernel_after_graph_" + std::to_string(graph->graph_id()) + ".ir";
DumpIR(file_name, graph.get());
}
MS_LOG(INFO) << "Finish selecting kernel info in graph: " << graph->graph_id();
}
void AscendSession::HardwareOptimize(NotNull<KernelGraphPtr> graph,
NotNull<std::set<KernelGraphPtr> *> const memo) const {
if (memo->find(graph) != memo->end()) {
return;
}
memo->insert(graph.get());
MS_LOG(INFO) << "Start to do HardwareOptimize in graph: " << graph->graph_id();
HardwareOptimize(graph.get());
for (auto &child_graph : graph->child_graph_order()) {
HardwareOptimize(NOT_NULL(child_graph.lock()), memo);
}
MS_LOG(INFO) << "Finish doing HardwareOptimize in graph: " << graph->graph_id();
}
void AscendSession::LoadGraphsToDbg(NotNull<KernelGraphPtr> graph,
NotNull<std::set<KernelGraphPtr> *> const memo) const {
if (memo->find(graph) != memo->end()) {
return;
}
memo->insert(graph.get());
MS_LOG(INFO) << "Start to do LoadGraphsToDbg in graph: " << graph->graph_id();
debugger_->LoadGraphs(graph);
MS_LOG(INFO) << "graph_sum_: " << graph_sum_;
for (auto &child_graph : graph->child_graph_order()) {
LoadGraphsToDbg(NOT_NULL(child_graph.lock()), memo);
}
MS_LOG(INFO) << "Finish doing LoadGraphsToDbg in graph: " << graph->graph_id();
}
void AscendSession::AssignStaticMemory(NotNull<KernelGraphPtr> graph,
NotNull<std::set<KernelGraphPtr> *> const memo) const {
if (memo->find(graph) != memo->end()) {
return;
}
memo->insert(graph.get());
MS_LOG(INFO) << "Start to assign static memory for parameter in graph: " << graph->graph_id();
// assign static memory for parameters
auto runtime_instance = device::KernelRuntimeManager::Instance().GetKernelRuntime(kAscendDevice, device_id_);
MS_EXCEPTION_IF_NULL(runtime_instance);
runtime_instance->ClearGlobalIdleMem();
runtime_instance->AssignStaticMemoryInput(graph.get().get());
runtime_instance->AssignStaticMemoryValueNode(graph.get().get());
for (auto &child_graph : graph->child_graph_order()) {
AssignStaticMemory(NOT_NULL(child_graph.lock()), memo);
}
MS_LOG(INFO) << "Finish assigning static memory for parameter in graph: " << graph->graph_id();
}
void AscendSession::UpdateRefOutputMap(NotNull<KernelGraphPtr> graph,
NotNull<std::set<KernelGraphPtr> *> const memo) const {
if (memo->find(graph) != memo->end()) {
return;
}
memo->insert(graph.get());
for (auto &child_graph : graph->child_graph_order()) {
std::shared_ptr<KernelGraph> child_graph_ptr = child_graph.lock();
MS_EXCEPTION_IF_NULL(child_graph_ptr);
UpdateRefOutputMap(NOT_NULL(child_graph_ptr), memo);
// copy ref map to final graph
auto child_ref_map = child_graph_ptr->GetRefMap();
for (auto &item : child_ref_map) {
if (graph->IsInRefOutputMap(item.first)) {
MS_LOG(WARNING) << "The ref pair <" << item.first.first->DebugString() << ", " << item.first.second
<< "> is already in " << graph->ToString();
continue;
}
graph->AddRefCorrespondPairs(item.first, item.second);
}
}
}
void AscendSession::SyncStream() {
auto runtime_instance = device::KernelRuntimeManager::Instance().GetKernelRuntime(kAscendDevice, device_id_);
MS_EXCEPTION_IF_NULL(runtime_instance);
auto ret = runtime_instance->SyncStream();
if (!ret) {
MS_LOG(EXCEPTION) << "Sync stream error!";
}
}
std::shared_ptr<device::Bucket> AscendSession::CreateBucket(uint32_t bucket_id, uint32_t bucket_size) {
auto bucket = std::make_shared<device::ascend::AscendBucket>(bucket_id, bucket_size);
auto kernel_runtime = device::KernelRuntimeManager::Instance().GetCurrentKernelRuntime();
MS_EXCEPTION_IF_NULL(kernel_runtime);
auto compute_stream = kernel_runtime->compute_stream();
auto communication_stream = kernel_runtime->communication_stream();
MS_EXCEPTION_IF_NULL(compute_stream);
MS_EXCEPTION_IF_NULL(communication_stream);
MS_EXCEPTION_IF_NULL(bucket);
bucket->Init({compute_stream}, {communication_stream});
return bucket;
}
void AscendSession::ReportWarningMessage() {
const string &warning_message = ErrorManager::GetInstance().GetWarningMessage();
if (!warning_message.empty()) {
MS_LOG(WARNING) << "Ascend warning message:\n" << warning_message;
}
}
void AscendSession::ReportErrorMessage() {
const string &error_message = ErrorManager::GetInstance().GetErrorMessage();
if (!error_message.empty()) {
MS_LOG(ERROR) << "Ascend error occurred, error message:\n" << error_message;
}
}
} // namespace session
} // namespace mindspore