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execution_engine.cc 21 kB

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  1. /**
  2. * Copyright 2019-2020 Huawei Technologies Co., Ltd
  3. *
  4. * Licensed under the Apache License, Version 2.0 (the "License");
  5. * you may not use this file except in compliance with the License.
  6. * You may obtain a copy of the License at
  7. *
  8. * http://www.apache.org/licenses/LICENSE-2.0
  9. *
  10. * Unless required by applicable law or agreed to in writing, software
  11. * distributed under the License is distributed on an "AS IS" BASIS,
  12. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. * See the License for the specific language governing permissions and
  14. * limitations under the License.
  15. */
  16. #include "hybrid/executor/worker/execution_engine.h"
  17. #include "graph/runtime_inference_context.h"
  18. #include "graph/utils/tensor_utils.h"
  19. #include "graph/utils/tensor_adapter.h"
  20. #include "graph/debug/ge_attr_define.h"
  21. #include "hybrid/node_executor/node_executor.h"
  22. #include "hybrid/executor//worker//shape_inference_engine.h"
  23. #include "common/dump/dump_op.h"
  24. #include "common/profiling/profiling_manager.h"
  25. namespace ge {
  26. namespace hybrid {
  27. namespace {
  28. constexpr int64_t kMaxPadding = 63;
  29. Status LogInputs(const NodeItem &node_item, const TaskContext &task_context) {
  30. for (auto i = 0; i < task_context.NumInputs(); ++i) {
  31. const auto &input_tensor = task_context.GetInput(i);
  32. GE_CHECK_NOTNULL(input_tensor);
  33. const auto &tensor_desc = task_context.GetInputDesc(i);
  34. GE_CHECK_NOTNULL(tensor_desc);
  35. GELOGD("[%s] Print task args. input[%d] = %s, shape = [%s]",
  36. node_item.NodeName().c_str(),
  37. i,
  38. input_tensor->DebugString().c_str(),
  39. tensor_desc->GetShape().ToString().c_str());
  40. }
  41. return SUCCESS;
  42. }
  43. Status LogOutputs(const NodeItem &node_item, const TaskContext &task_context) {
  44. for (auto i = 0; i < task_context.NumOutputs(); ++i) {
  45. const auto &output_tensor = task_context.GetOutput(i);
  46. GE_CHECK_NOTNULL(output_tensor);
  47. const auto &tensor_desc = node_item.MutableOutputDesc(i);
  48. GE_CHECK_NOTNULL(tensor_desc);
  49. GELOGD("[%s] Print task args. output[%d] = %s, shape = [%s]",
  50. node_item.NodeName().c_str(),
  51. i,
  52. output_tensor->DebugString().c_str(),
  53. tensor_desc->MutableShape().ToString().c_str());
  54. }
  55. return SUCCESS;
  56. }
  57. } // namespace
  58. class NodeDoneCallback {
  59. public:
  60. NodeDoneCallback(GraphExecutionContext *graph_context, std::shared_ptr<TaskContext> task_context);
  61. ~NodeDoneCallback() = default;
  62. Status OnNodeDone();
  63. private:
  64. Status PrepareConstInputs(const NodeItem &node_item);
  65. Status DumpDynamicNode();
  66. Status ProfilingReport();
  67. Status GetGraphDescInfo(const NodePtr node, const HybridModel *model,
  68. std::vector<ComputeGraphDescInfo> &compute_graph_info);
  69. Status GetTaskDescInfo(const NodePtr node, const HybridModel *model,
  70. std::vector<TaskDescInfo> &task_desc_info);
  71. GraphExecutionContext *graph_context_;
  72. std::shared_ptr<TaskContext> context_;
  73. DumpOp dump_op_;
  74. };
  75. NodeDoneCallback::NodeDoneCallback(GraphExecutionContext *graph_context,
  76. std::shared_ptr<TaskContext> task_context)
  77. : graph_context_(graph_context), context_(std::move(task_context)) {
  78. }
  79. Status NodeDoneCallback::PrepareConstInputs(const NodeItem &node_item) {
  80. for (auto output_idx : node_item.to_const_output_id_list) {
  81. RECORD_CALLBACK_EVENT(graph_context_, node_item.NodeName().c_str(),
  82. "[PrepareConstInputs] [index = %d] Start",
  83. output_idx);
  84. auto output_tensor = context_->GetOutput(output_idx);
  85. GE_CHECK_NOTNULL(output_tensor);
  86. Tensor tensor;
  87. auto ge_tensor_desc = node_item.MutableOutputDesc(output_idx);
  88. GE_CHECK_NOTNULL(ge_tensor_desc);
  89. tensor.SetTensorDesc(TensorAdapter::GeTensorDesc2TensorDesc(*ge_tensor_desc));
  90. int64_t tensor_size;
  91. GE_CHK_GRAPH_STATUS_RET(TensorUtils::GetTensorSizeInBytes(*ge_tensor_desc, tensor_size),
  92. "Failed to invoke GetTensorSizeInBytes");
  93. if (output_tensor->GetSize() < static_cast<size_t>(tensor_size)) {
  94. GELOGE(INTERNAL_ERROR,
  95. "[%s] Tensor size is not enough. output index = %d, required size = %ld, tensor = %s",
  96. node_item.NodeName().c_str(),
  97. output_idx,
  98. tensor_size,
  99. output_tensor->DebugString().c_str());
  100. return INTERNAL_ERROR;
  101. }
  102. vector<uint8_t> host_buffer(static_cast<unsigned long>(tensor_size));
  103. GELOGD("[%s] To cache output[%d] to host, size = %zu",
  104. node_item.NodeName().c_str(),
  105. output_idx,
  106. output_tensor->GetSize());
  107. if (tensor_size > 0) {
  108. GE_CHK_RT_RET(rtMemcpy(host_buffer.data(),
  109. tensor_size,
  110. output_tensor->GetData(),
  111. tensor_size,
  112. RT_MEMCPY_DEVICE_TO_HOST));
  113. }
  114. tensor.SetData(std::move(host_buffer));
  115. string session_id = std::to_string(context_->GetSessionId());
  116. RuntimeInferenceContext *runtime_infer_ctx = nullptr;
  117. GE_CHK_GRAPH_STATUS_RET(RuntimeInferenceContext::GetContext(session_id, &runtime_infer_ctx),
  118. "Failed to get RuntimeInferenceContext, session_id = %s", session_id.c_str());
  119. GE_CHK_STATUS_RET(runtime_infer_ctx->SetTensor(node_item.node_id, output_idx, std::move(tensor)),
  120. "Failed to SetTensor, node = %s, output_index = %d", node_item.NodeName().c_str(), output_idx);
  121. GELOGD("[%s] Output[%d] cached successfully in session: %s. node_id = %d, shape = [%s]",
  122. node_item.NodeName().c_str(),
  123. output_idx,
  124. session_id.c_str(),
  125. node_item.node_id,
  126. ge_tensor_desc->GetShape().ToString().c_str());
  127. RECORD_CALLBACK_EVENT(graph_context_, node_item.NodeName().c_str(),
  128. "[PrepareConstInputs] [index = %d] End",
  129. output_idx);
  130. }
  131. return SUCCESS;
  132. }
  133. Status NodeDoneCallback::GetTaskDescInfo(const NodePtr node, const HybridModel *model,
  134. std::vector<TaskDescInfo> &task_desc_info) {
  135. GE_CHECK_NOTNULL(node);
  136. GE_CHECK_NOTNULL(model);
  137. // only report aicpu and aicore node
  138. bool is_profiling_report = context_->GetNodeItem().is_profiling_report;
  139. if (!is_profiling_report) {
  140. GELOGD("Node[%s] is not aicore or aicpu, and no need to report data.", node->GetName().c_str());
  141. return SUCCESS;
  142. }
  143. GELOGD("GetTaskDescInfo of node [%s] start.", node->GetName().c_str());
  144. auto op_desc = node->GetOpDesc();
  145. std::string op_name = op_desc->GetName();
  146. std::string dynamic_model_name = model->GetModelName();
  147. uint32_t task_id = context_->GetTaskId();
  148. uint32_t stream_id = context_->GetStreamId();
  149. TaskDescInfo tmp_task_desc_info;
  150. tmp_task_desc_info.model_name = dynamic_model_name;
  151. tmp_task_desc_info.op_name = op_name;
  152. tmp_task_desc_info.block_dim = 0;
  153. auto task_defs = model->GetTaskDefs(node);
  154. if (task_defs != nullptr && (*task_defs).size() > 0) {
  155. const auto &task_def = (*task_defs)[0];
  156. tmp_task_desc_info.block_dim = task_def.kernel().block_dim();
  157. }
  158. tmp_task_desc_info.task_id = task_id;
  159. tmp_task_desc_info.stream_id = stream_id;
  160. tmp_task_desc_info.shape_type = "dynamic";
  161. tmp_task_desc_info.cur_iter_num = graph_context_->iteration;
  162. GELOGD("GetTaskDescInfo of node [%s] end, task_id[%u], stream_id[%u]",
  163. node->GetName().c_str(), task_id, stream_id);
  164. task_desc_info.emplace_back(tmp_task_desc_info);
  165. return SUCCESS;
  166. }
  167. Status NodeDoneCallback::GetGraphDescInfo(const NodePtr node, const HybridModel *model,
  168. std::vector<ComputeGraphDescInfo> &compute_graph_info) {
  169. GE_CHECK_NOTNULL(node);
  170. GE_CHECK_NOTNULL(model);
  171. GELOGD("GetComputeGraphInfo of node [%s] start.", node->GetName().c_str());
  172. std::string dynamic_model_name = model->GetModelName();
  173. auto op_desc = node->GetOpDesc();
  174. if (op_desc == nullptr) {
  175. GELOGE(PARAM_INVALID, "op_desc is nullptr.");
  176. return PARAM_INVALID;
  177. }
  178. auto op_mode = static_cast<uint32_t>(domi::ImplyType::INVALID);
  179. if (AttrUtils::GetInt(op_desc, ATTR_NAME_IMPLY_TYPE, op_mode) &&
  180. op_mode == static_cast<uint32_t>(domi::ImplyType::TVM)) {
  181. ComputeGraphDescInfo tmp_compute_graph_info;
  182. tmp_compute_graph_info.model_name = dynamic_model_name;
  183. tmp_compute_graph_info.op_name = op_desc->GetName();
  184. tmp_compute_graph_info.op_type = op_desc->GetType();
  185. for (size_t i = 0; i < op_desc->GetAllInputsSize(); ++i) {
  186. GeTensorDescPtr input_desc = op_desc->MutableInputDesc(i);
  187. if (input_desc == nullptr) {
  188. continue;
  189. }
  190. tmp_compute_graph_info.input_format.emplace_back(input_desc->GetFormat());
  191. tmp_compute_graph_info.input_shape.emplace_back(input_desc->GetShape().GetDims());
  192. tmp_compute_graph_info.input_data_type.emplace_back(input_desc->GetDataType());
  193. }
  194. for (size_t j = 0; j < op_desc->GetOutputsSize(); ++j) {
  195. GeTensorDesc output_desc = op_desc->GetOutputDesc(j);
  196. tmp_compute_graph_info.output_format.emplace_back(output_desc.GetFormat());
  197. tmp_compute_graph_info.output_shape.emplace_back(output_desc.GetShape().GetDims());
  198. tmp_compute_graph_info.output_data_type.emplace_back(output_desc.GetDataType());
  199. }
  200. tmp_compute_graph_info.task_id = context_->GetTaskId();
  201. tmp_compute_graph_info.stream_id = context_->GetStreamId();
  202. compute_graph_info.emplace_back(tmp_compute_graph_info);
  203. GELOGD("GetComputeGraphInfo of node [%s] end.", node->GetName().c_str());
  204. }
  205. return SUCCESS;
  206. }
  207. Status NodeDoneCallback::ProfilingReport() {
  208. auto node = context_->GetNodeItem().node;
  209. if (node == nullptr) {
  210. GELOGE(PARAM_INVALID, "Get node is nullptr");
  211. return PARAM_INVALID;
  212. }
  213. const auto &op_type = node->GetType();
  214. if (op_type == PARTITIONEDCALL) {
  215. return SUCCESS;
  216. }
  217. GE_CHECK_NOTNULL(graph_context_);
  218. const HybridModel *model = graph_context_->model;
  219. GE_CHECK_NOTNULL(model);
  220. GELOGD("ProfilingReport of node [%s] model [%s] start.", node->GetName().c_str(), model->GetModelName().c_str());
  221. std::vector<TaskDescInfo> task_desc_info;
  222. TaskDescInfo tmp_task_desc_info;
  223. auto profiling_ret = GetTaskDescInfo(node, model, task_desc_info);
  224. if (profiling_ret != RT_ERROR_NONE) {
  225. GELOGE(profiling_ret, "Get task info of node[%s] failed.", node->GetName().c_str());
  226. return profiling_ret;
  227. }
  228. std::vector<ComputeGraphDescInfo> compute_graph_info;
  229. profiling_ret = GetGraphDescInfo(node, model, compute_graph_info);
  230. if (profiling_ret != RT_ERROR_NONE) {
  231. GELOGE(profiling_ret, "Get graph info of node[%s] failed.", node->GetName().c_str());
  232. return profiling_ret;
  233. }
  234. auto &profiling_manager = ProfilingManager::Instance();
  235. profiling_manager.ReportProfilingData(model->GetModelId(), task_desc_info, compute_graph_info);
  236. return SUCCESS;
  237. }
  238. Status NodeDoneCallback::DumpDynamicNode() {
  239. auto node = context_->GetNodeItem().node;
  240. if (node == nullptr) {
  241. GELOGE(PARAM_INVALID, "Get node is nullptr");
  242. return PARAM_INVALID;
  243. }
  244. auto op_desc = node->GetOpDesc();
  245. auto stream = context_->GetStream();
  246. vector<uintptr_t> input_addrs;
  247. vector<uintptr_t> output_addrs;
  248. for (int i = 0; i < context_->NumInputs(); i++) {
  249. auto tensor_value = context_->GetInput(i);
  250. GE_CHK_BOOL_RET_STATUS(tensor_value != nullptr, PARAM_INVALID, "Tensor value is nullptr");
  251. uint64_t input_addr = reinterpret_cast<uintptr_t>(tensor_value->GetData());
  252. input_addrs.emplace_back(input_addr);
  253. }
  254. for (int j = 0; j < context_->NumOutputs(); j++) {
  255. auto tensor_value = context_->GetOutput(j);
  256. GE_CHK_BOOL_RET_STATUS(tensor_value != nullptr, PARAM_INVALID, "Tensor value is nullptr");
  257. uint64_t output_addr = reinterpret_cast<uintptr_t>(tensor_value->GetData());
  258. output_addrs.emplace_back(output_addr);
  259. }
  260. dump_op_.SetDumpInfo(context_->GetDumpProperties(), op_desc, input_addrs, output_addrs, stream);
  261. GE_CHECK_NOTNULL(graph_context_);
  262. const HybridModel *model = graph_context_->model;
  263. GE_CHECK_NOTNULL(model);
  264. std::string dynamic_model_name = model->GetModelName();
  265. uint32_t model_id = model->GetModelId();
  266. dump_op_.SetDynamicModelInfo(dynamic_model_name, model_id);
  267. void *global_step = nullptr;
  268. TensorValue *varible_global_step = context_->GetVariable(NODE_NAME_GLOBAL_STEP);
  269. if (varible_global_step != nullptr) {
  270. global_step = const_cast<void *>(varible_global_step->GetData());
  271. }
  272. void *loop_per_iter = nullptr;
  273. TensorValue *varible_loop_per_iter = context_->GetVariable(NODE_NAME_FLOWCTRL_LOOP_PER_ITER);
  274. if (varible_loop_per_iter != nullptr) {
  275. loop_per_iter = const_cast<void *>(varible_loop_per_iter->GetData());
  276. }
  277. void *loop_cond = nullptr;
  278. TensorValue *varible_loop_cond = context_->GetVariable(NODE_NAME_FLOWCTRL_LOOP_COND);
  279. if (varible_loop_cond != nullptr) {
  280. loop_cond = const_cast<void *>(varible_loop_cond->GetData());
  281. }
  282. dump_op_.SetLoopAddr(global_step, loop_per_iter, loop_cond);
  283. GE_CHK_STATUS_RET(dump_op_.LaunchDumpOp(), "Failed to launch dump op in hybird model");
  284. auto rt_ret = rtStreamSynchronize(stream);
  285. if (rt_ret != RT_ERROR_NONE) {
  286. GELOGE(rt_ret, "rtStreamSynchronize failed");
  287. return rt_ret;
  288. }
  289. return SUCCESS;
  290. }
  291. Status NodeDoneCallback::OnNodeDone() {
  292. auto &node_item = context_->GetNodeItem();
  293. GELOGI("[%s] Start callback process.", node_item.NodeName().c_str());
  294. RECORD_CALLBACK_EVENT(graph_context_, context_->GetNodeName(), "[Compute] End");
  295. RECORD_CALLBACK_EVENT(graph_context_, context_->GetNodeName(), "[Callback] Start");
  296. auto dump_path = context_->GetDumpProperties().GetDumpPath();
  297. if (!dump_path.empty()) {
  298. GELOGI("Start to dump dynamic shape,dump_path is %s", dump_path.c_str());
  299. GE_CHK_STATUS_RET(DumpDynamicNode(), "Failed to dump dynamic node");
  300. }
  301. if (ProfilingManager::Instance().ProfilingModelExecuteOn()) {
  302. GE_CHK_STATUS_RET(ProfilingReport(), "Report node[%s] to profiling failed.",
  303. node_item.NodeName().c_str());
  304. }
  305. // release inputs
  306. for (int i = 0; i < context_->NumInputs(); ++i) {
  307. context_->ReleaseInput(i);
  308. }
  309. GE_CHK_STATUS_RET_NOLOG(PrepareConstInputs(node_item));
  310. if (node_item.shape_inference_type == DEPEND_SHAPE_RANGE || node_item.shape_inference_type == DEPEND_COMPUTE) {
  311. // update output tensor sizes
  312. GE_CHK_STATUS_RET_NOLOG(ShapeInferenceEngine::CalcOutputTensorSizes(node_item));
  313. }
  314. // PropagateOutputs for type == DEPEND_COMPUTE
  315. if (node_item.shape_inference_type == DEPEND_COMPUTE) {
  316. if (graph_context_->trace_enabled) {
  317. (void) LogOutputs(node_item, *context_);
  318. }
  319. GE_CHK_STATUS_RET(context_->PropagateOutputs(),
  320. "[%s] Failed to propagate outputs failed",
  321. node_item.NodeName().c_str());
  322. RECORD_CALLBACK_EVENT(graph_context_, context_->GetNodeName(), "[PropagateOutputs] End");
  323. }
  324. // release condition variable
  325. if (node_item.has_observer) {
  326. GELOGI("[%s] Notify observer. node_id = %d", node_item.NodeName().c_str(), node_item.node_id);
  327. context_->NodeDone();
  328. }
  329. RECORD_CALLBACK_EVENT(graph_context_, context_->GetNodeName(), "[Callback] End");
  330. return SUCCESS;
  331. }
  332. Status ExecutionEngine::ExecuteAsync(NodeState &node_state,
  333. const std::shared_ptr<TaskContext> &task_context,
  334. GraphExecutionContext &execution_context) {
  335. GELOGI("[%s] Node is ready for execution", task_context->GetNodeName());
  336. RECORD_EXECUTION_EVENT(&execution_context, task_context->GetNodeName(), "Start");
  337. auto cb = std::shared_ptr<NodeDoneCallback>(new(std::nothrow) NodeDoneCallback(&execution_context, task_context));
  338. GE_CHECK_NOTNULL(cb);
  339. auto callback = [&, cb]() {
  340. auto ret = cb->OnNodeDone();
  341. if (ret != SUCCESS) {
  342. task_context->OnError(ret);
  343. }
  344. };
  345. GE_CHK_STATUS_RET_NOLOG(DoExecuteAsync(node_state, *task_context, execution_context, callback));
  346. GE_CHK_STATUS_RET_NOLOG(PropagateOutputs(*node_state.GetNodeItem(), *task_context, execution_context));
  347. return SUCCESS;
  348. }
  349. Status ExecutionEngine::DoExecuteAsync(NodeState &node_state,
  350. TaskContext &task_context,
  351. GraphExecutionContext &context,
  352. const std::function<void()> &callback) {
  353. const auto &task = node_state.GetKernelTask();
  354. if (task == nullptr) {
  355. GELOGE(INTERNAL_ERROR, "[%s] NodeTask is null.", node_state.GetName().c_str());
  356. return INTERNAL_ERROR;
  357. }
  358. // Wait for dependent nodes(DEPEND_COMPUTE), so that the input tensors are valid.
  359. RECORD_EXECUTION_EVENT(&context, task_context.GetNodeName(), "[AwaitDependents] Start");
  360. HYBRID_CHK_STATUS_RET(node_state.AwaitInputTensors(context),
  361. "[%s] Failed to wait for dependent nodes.",
  362. node_state.GetName().c_str());
  363. const auto &node_item = *node_state.GetNodeItem();
  364. auto executor = node_item.node_executor;
  365. GE_CHECK_NOTNULL(executor);
  366. RECORD_EXECUTION_EVENT(&context, task_context.GetNodeName(), "[PrepareTask] Start");
  367. GE_CHK_STATUS_RET(executor->PrepareTask(*task, task_context),
  368. "[%s] Failed to prepare task",
  369. node_state.GetName().c_str());
  370. RECORD_EXECUTION_EVENT(&context, task_context.GetNodeName(), "[PrepareTask] End");
  371. GELOGD("[%s] Done task preparation successfully.", node_state.GetName().c_str());
  372. if (context.trace_enabled) {
  373. LogInputs(node_item, task_context);
  374. if (node_item.shape_inference_type != DEPEND_COMPUTE) {
  375. LogOutputs(node_item, task_context);
  376. }
  377. }
  378. GE_CHK_STATUS_RET(ValidateInputTensors(node_state, task_context), "Failed to validate input tensors.");
  379. RECORD_EXECUTION_EVENT(&context, task_context.GetNodeName(), "[ValidateInputTensors] End");
  380. if (context.profiling_level > 0) {
  381. auto *ctx = &context;
  382. const string &name = node_state.GetName();
  383. (void)task_context.RegisterCallback([ctx, name]() {
  384. RECORD_CALLBACK_EVENT(ctx, name.c_str(), "[Compute] Start");
  385. });
  386. }
  387. RECORD_EXECUTION_EVENT(&context, task_context.GetNodeName(), "[ExecuteTask] Start");
  388. HYBRID_CHK_STATUS_RET(node_item.node_executor->ExecuteTask(*task, task_context, callback),
  389. "[%s] Failed to execute task",
  390. node_state.GetName().c_str());
  391. RECORD_EXECUTION_EVENT(&context, task_context.GetNodeName(), "[ExecuteTask] End");
  392. GELOGD("[%s] Done task launch successfully.", node_state.GetName().c_str());
  393. return SUCCESS;
  394. }
  395. Status ExecutionEngine::ValidateInputTensors(const NodeState &node_state, const TaskContext &task_context) {
  396. for (auto i = 0; i < task_context.NumInputs(); ++i) {
  397. const auto &input_tensor = task_context.GetInput(i);
  398. GE_CHECK_NOTNULL(input_tensor);
  399. if (input_tensor->GetData() == nullptr) {
  400. GELOGD("[%s] Skipping null input, index = %d", task_context.GetNodeName(), i);
  401. continue;
  402. }
  403. const auto &tensor_desc = task_context.MutableInputDesc(i);
  404. GE_CHECK_NOTNULL(tensor_desc);
  405. if (tensor_desc->GetDataType() == DT_STRING) {
  406. GELOGD("[%s] Skipping DT_STRING input, index = %d", task_context.GetNodeName(), i);
  407. continue;
  408. }
  409. if (input_tensor->GetData() == nullptr) {
  410. GELOGD("[%s] Skipping null input, index = %d", task_context.GetNodeName(), i);
  411. continue;
  412. }
  413. int64_t expected_size;
  414. GE_CHK_GRAPH_STATUS_RET(TensorUtils::GetTensorMemorySizeInBytes(*tensor_desc, expected_size));
  415. GELOGD("[%s] Input[%d] expects [%ld] bytes.", task_context.GetNodeName(), i, expected_size);
  416. auto size_diff = expected_size - static_cast<int64_t>(input_tensor->GetSize());
  417. if (size_diff > 0) {
  418. if (size_diff <= kMaxPadding) {
  419. GELOGW("[%s] Input[%d]: tensor size mismatches. expected: %ld, but given %zu",
  420. task_context.GetNodeName(),
  421. i,
  422. expected_size,
  423. input_tensor->GetSize());
  424. } else {
  425. GELOGE(INTERNAL_ERROR,
  426. "[%s] Input[%d]: tensor size mismatches. expected: %ld, but given %zu",
  427. task_context.GetNodeName(),
  428. i,
  429. expected_size,
  430. input_tensor->GetSize());
  431. return INTERNAL_ERROR;
  432. }
  433. }
  434. }
  435. return SUCCESS;
  436. }
  437. Status ExecutionEngine::PropagateOutputs(const NodeItem &node_item,
  438. TaskContext &task_context,
  439. GraphExecutionContext &context) {
  440. if (node_item.shape_inference_type != DEPEND_COMPUTE) {
  441. GE_CHK_STATUS_RET(task_context.PropagateOutputs(),
  442. "[%s] Failed to propagate outputs.",
  443. node_item.NodeName().c_str());
  444. RECORD_EXECUTION_EVENT(&context, task_context.GetNodeName(), "[PropagateOutputs] End");
  445. GELOGD("[%s] Done propagating outputs successfully.", node_item.NodeName().c_str());
  446. }
  447. return SUCCESS;
  448. }
  449. } // namespace hybrid
  450. } // namespace ge

图引擎模块(GE)是MindSpore的一个子模块,其代码由C++实现,位于前端模块ME和底层硬件之间,起到承接作用。图引擎模块以ME下发的图作为输入,然后进行一系列的深度图优化操作,最后输出一张可以在底层硬件上高效运行的图。GE针对昇腾AI处理器的硬件结构特点,做了特定的优化工作,以此来充分发挥出昇腾AI处理器的强大算力。在进行模型训练/推理时,GE会被自动调用而用户并不感知。GE主要由GE API和GE Core两部分组成,详细的架构图如下所示