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subgraph_const_migration_pass.cc 27 kB

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  1. /**
  2. * Copyright 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 "subgraph_const_migration_pass.h"
  17. #include "graph/utils/node_utils.h"
  18. #include "ge_local_engine/engine/host_cpu_engine.h"
  19. #include "graph/passes/folding_pass.h"
  20. namespace ge {
  21. constexpr uint32_t kZeroIndex = 0;
  22. constexpr uint32_t kCaseInputBase = 1;
  23. constexpr uint32_t kInvalidParent = 0x7fffffffU;
  24. const string kMbatchNodeNameMark = "_ascend_mbatch_batch_";
  25. bool IsSameConstNode(const NodePtr &src_node, const NodePtr &dst_node) {
  26. if ((src_node == nullptr) && (dst_node == nullptr)) {
  27. return true;
  28. }
  29. if ((src_node == nullptr) || (dst_node == nullptr)) {
  30. return false;
  31. }
  32. if (src_node->GetType() != dst_node->GetType()) {
  33. return false;
  34. }
  35. const GeTensorDesc &src_desc = src_node->GetOpDesc()->GetOutputDesc(kZeroIndex);
  36. const GeTensorDesc &dst_desc = dst_node->GetOpDesc()->GetOutputDesc(kZeroIndex);
  37. return (src_desc == dst_desc);
  38. }
  39. /***********************************************************************************************************************
  40. +-----------+
  41. | Data |
  42. +-----------+
  43. |
  44. |
  45. +-----------+
  46. | Cast |
  47. +-----------+
  48. |
  49. |
  50. +-----------+ +-----------+ +-----------+
  51. | TransData | | Data | | Data |
  52. +-----------+ +-----------+ +-----------+
  53. \ | /
  54. \ | /
  55. \ | /
  56. \ | /
  57. +-----------+ +-----------+ +-----------+ +-----------+ +-----------+ +-----------+ +-----------+
  58. | Data | | Data | | Data | | Data | | Data | | Data | | Conv2D |
  59. +-----------+ +-----------+ +-----------+ +-----------+ +-----------+ +-----------+ +-----------+
  60. \ \ | / / | | +-----------+
  61. \ \ | / / | | | Const |
  62. \ \ | / / | | +-----------+
  63. \ \ | / / | | /
  64. \ +-----------+ / | +-----------+ /
  65. +---------------| Const |----------------+ | | Pooling |-----+
  66. +-----------+ | +-----------+
  67. \ | /
  68. \ | /
  69. \ +-----------+ /
  70. +-----------------------------------| Conv2D |------+
  71. +-----------+
  72. |
  73. |
  74. +-----------+
  75. | Node |
  76. +-----------+
  77. ***********************************************************************************************************************/
  78. Status SubgraphConstMigrationPass::Run(ComputeGraphPtr graph) {
  79. GE_CHECK_NOTNULL(graph);
  80. if (graph->GetParentGraph() != nullptr) {
  81. GELOGD("Subgraph %s skip the SubgraphConstMigrationPass", graph->GetName().c_str());
  82. return SUCCESS;
  83. }
  84. GELOGD("Begin to run Subgraph Const Migration on graph: %s", graph->GetName().c_str());
  85. for (const auto &node : graph->GetDirectNode()) {
  86. if (node->GetType() != CASE) {
  87. continue;
  88. }
  89. const auto &func_desc = node->GetOpDesc();
  90. if (!func_desc->HasAttr(ATTR_NAME_BATCH_NUM)) {
  91. GELOGD("Not multi-batch, Skip Case: %s", node->GetName().c_str());
  92. continue;
  93. }
  94. map<ComputeGraphPtr, map<string, NodePtr>> all_const_nodes;
  95. map<ComputeGraphPtr, map<uint32_t, NodePtr>> all_data_nodes;
  96. if (ClassifyGraphNodes(graph, func_desc, all_const_nodes, all_data_nodes) != SUCCESS) {
  97. return FAILED;
  98. }
  99. if (all_const_nodes.empty()) {
  100. GELOGW("Graph: %s subgraph is empty", graph->GetName().c_str());
  101. break;
  102. }
  103. // {subgraph0, {{key1, Const}, {key2, Const}, {key3, Const}, {key4, Const}, ..., {keyn, Const}}}
  104. // {subgraph1, {{key1, Const}, {key2, Const}, {key3, Const}, {key4, Const}, ..., {keyn, Const}}}
  105. // {subgraph2, {{key1, Const}, {key2, Const}, {key3, Const}, {key4, Const}, ..., {keyn, Const}}}
  106. const auto &const_nodes = all_const_nodes.begin()->second;
  107. for (const auto &item : const_nodes) {
  108. if (GraphNodeMigration(graph, node, all_const_nodes, all_data_nodes, item.second, item.first) != SUCCESS) {
  109. return FAILED;
  110. }
  111. }
  112. }
  113. return SUCCESS;
  114. }
  115. ///
  116. /// @ingroup ge
  117. /// @brief Get all Const/Data nodes for all subgraph.
  118. /// @param [in] graph: Root compute graph.
  119. /// @param [in] func_desc: functional OpDesc of Case.
  120. /// @param [out] all_const_nodes: Const groups of subgraph.
  121. /// @param [out] all_data_nodes: Data groups of subgraph.
  122. /// @return 0: SUCCESS / others: FAILED
  123. ///
  124. Status SubgraphConstMigrationPass::ClassifyGraphNodes(const ComputeGraphPtr &graph, const OpDescPtr &func_desc,
  125. map<ComputeGraphPtr, map<string, NodePtr>> &all_const_nodes,
  126. map<ComputeGraphPtr, map<uint32_t, NodePtr>> &all_data_nodes) {
  127. for (const auto &name : func_desc->GetSubgraphInstanceNames()) {
  128. const auto &subgraph = graph->GetSubgraph(name);
  129. if (subgraph == nullptr) {
  130. REPORT_INNER_ERROR("E19999", "Get subgraph from graph:%s by name:%s failed",
  131. graph->GetName().c_str(), name.c_str());
  132. GELOGE(GE_GRAPH_EMPTY_SUBGRAPH, "[Get][SubGraph] from graph:%s by name:%s failed",
  133. graph->GetName().c_str(), name.c_str());
  134. return GE_GRAPH_EMPTY_SUBGRAPH;
  135. }
  136. set<NodePtr> ctrl_only_const_nodes;
  137. auto &data_nodes = all_data_nodes[subgraph];
  138. auto &const_nodes = all_const_nodes[subgraph];
  139. for (auto &node : subgraph->GetDirectNode()) {
  140. if (node->GetType() == DATA) {
  141. uint32_t parent_index = kInvalidParent;
  142. if (!AttrUtils::GetInt(node->GetOpDesc(), ATTR_NAME_PARENT_NODE_INDEX, parent_index)) {
  143. REPORT_CALL_ERROR("E19999", "Get Attr:%s from op:%s(%s) failed", ATTR_NAME_PARENT_NODE_INDEX.c_str(),
  144. node->GetName().c_str(), node->GetType().c_str());
  145. GELOGE(FAILED, "[Get][Attr] %s from op:%s(%s) failed", ATTR_NAME_PARENT_NODE_INDEX.c_str(),
  146. node->GetName().c_str(), node->GetType().c_str());
  147. return FAILED;
  148. }
  149. data_nodes[parent_index] = node;
  150. GELOGD("%s, index: %u, Data: %s", subgraph->GetName().c_str(), parent_index, node->GetName().c_str());
  151. } else if (node->GetType() == CONSTANT) {
  152. set<string> peer_name_list;
  153. const auto &out_anchor = node->GetOutDataAnchor(kZeroIndex);
  154. GE_IF_BOOL_EXEC(out_anchor == nullptr, continue);
  155. for (const auto &in_anchor : out_anchor->GetPeerInDataAnchors()) {
  156. const auto &peer_node = in_anchor->GetOwnerNode();
  157. // Trim subgraph node name prefix.
  158. string node_full_name = peer_node->GetName();
  159. size_t pos = node_full_name.find(kMbatchNodeNameMark);
  160. if (pos == string::npos) {
  161. GELOGI("Can not find: %s of multi-batch in node: %s", kMbatchNodeNameMark.c_str(), node_full_name.c_str());
  162. continue;
  163. }
  164. string fixed_name = node_full_name.substr(0, pos);
  165. pos = node_full_name.find("_", pos + kMbatchNodeNameMark.length());
  166. if (pos != string::npos) {
  167. fixed_name += node_full_name.substr(pos);
  168. }
  169. peer_name_list.insert(fixed_name + ":" + std::to_string(in_anchor->GetIdx()));
  170. }
  171. if (peer_name_list.empty()) {
  172. GELOGI("%s, Const: %s, no data output", subgraph->GetName().c_str(), node->GetName().c_str());
  173. const auto in_all_nodes = node->GetInAllNodes();
  174. if (in_all_nodes.empty() || std::all_of(in_all_nodes.begin(), in_all_nodes.end(),
  175. [](const NodePtr &n) { return n->GetType() == DATA; })) {
  176. ctrl_only_const_nodes.insert(node);
  177. }
  178. continue;
  179. }
  180. string key_of_const;
  181. for (const string &name : peer_name_list) {
  182. key_of_const += (key_of_const.empty() ? name : "_" + name);
  183. }
  184. const_nodes[key_of_const] = node;
  185. GELOGD("%s, Const: %s, Key: %s", subgraph->GetName().c_str(), node->GetName().c_str(), key_of_const.c_str());
  186. }
  187. }
  188. for (auto &node : ctrl_only_const_nodes) {
  189. GE_CHK_GRAPH_STATUS_RET(GraphUtils::RemoveNodeWithoutRelink(subgraph, node),
  190. "[Remove][Node] without relink failed, node:%s, graph:%s",
  191. node->GetName().c_str(), subgraph->GetName().c_str());
  192. }
  193. }
  194. return SUCCESS;
  195. }
  196. ///
  197. /// @ingroup ge
  198. /// @brief Get parent_index for Const node migration.
  199. /// @param [in] all_data_nodes: Data groups of subgraph.
  200. /// @param [in] const_node: Const node will process.
  201. /// @param [out] parent_index: parent index for replace Data.
  202. /// @return true: SUCCESS / false: FAILED
  203. ///
  204. bool SubgraphConstMigrationPass::GetAssociatedNodes(const map<ComputeGraphPtr, map<uint32_t, NodePtr>> &all_data_nodes,
  205. const NodePtr &const_node, uint32_t &parent_index) {
  206. for (const auto in_node : const_node->GetInAllNodes()) {
  207. if (in_node->GetType() != DATA) {
  208. return false;
  209. }
  210. uint32_t node_index = 0;
  211. if (!AttrUtils::GetInt(in_node->GetOpDesc(), ATTR_NAME_PARENT_NODE_INDEX, node_index)) {
  212. return false;
  213. }
  214. // Input Data feed other Node, need add new Data.
  215. if ((parent_index == kInvalidParent) && in_node->GetOutDataNodes().empty()) {
  216. parent_index = node_index;
  217. }
  218. }
  219. return true;
  220. }
  221. ///
  222. /// @ingroup ge
  223. /// @brief Check parallel node is same for all subgraph.
  224. /// @param [in] all_const_nodes: Const groups of subgraph.
  225. /// @param [in] const_node: Const Node for migration.
  226. /// @param [in] node_key: Key of Const node.
  227. /// @return true: Same / false: not same
  228. ///
  229. bool SubgraphConstMigrationPass::IsParallelNodeSame(const map<ComputeGraphPtr, map<string, NodePtr>> &all_const_nodes,
  230. const NodePtr &const_node, const string &node_key) {
  231. auto it = all_const_nodes.begin();
  232. for (++it; it != all_const_nodes.end(); ++it) {
  233. const auto &const_nodes = it->second;
  234. auto node_it = const_nodes.find(node_key);
  235. if (node_it == const_nodes.end()) {
  236. GELOGW("Const node: %s not fount, key: %s", const_node->GetName().c_str(), node_key.c_str());
  237. return false;
  238. }
  239. const auto &work_node = node_it->second;
  240. if (!IsSameConstNode(const_node, work_node)) {
  241. GELOGI("Not same: %s %s, key: %s", const_node->GetName().c_str(), work_node->GetName().c_str(), node_key.c_str());
  242. return false;
  243. }
  244. }
  245. return true;
  246. }
  247. ///
  248. /// @ingroup ge
  249. /// @brief Migration subgraph Node to Root
  250. /// @param [in] graph: Root compute graph.
  251. /// @param [in] func_node: functional Node of Case.
  252. /// @param [in] all_const_nodes: Const groups of subgraph.
  253. /// @param [in] all_data_nodes: Data groups of subgraph.
  254. /// @param [in] const_node: Const Node for migration.
  255. /// @param [in] node_key: Key of Const node for migration.
  256. /// @return 0: SUCCESS / others: FAILED
  257. ///
  258. Status SubgraphConstMigrationPass::GraphNodeMigration(const ComputeGraphPtr &graph, const NodePtr &func_node,
  259. const map<ComputeGraphPtr, map<string, NodePtr>> &all_const_nodes,
  260. map<ComputeGraphPtr, map<uint32_t, NodePtr>> &all_data_nodes,
  261. const NodePtr &const_node, const string &node_key) {
  262. if (!IsParallelNodeSame(all_const_nodes, const_node, node_key)) {
  263. return SUCCESS;
  264. }
  265. // Get associated Data, if Data feed other nodes, need append new Data.
  266. uint32_t parent_index = kInvalidParent;
  267. if (!GetAssociatedNodes(all_data_nodes, const_node, parent_index)) {
  268. return SUCCESS;
  269. }
  270. GELOGI("Move node: %s, parent index: %u", const_node->GetName().c_str(), parent_index);
  271. if (AppendParallelNode(func_node, parent_index, all_data_nodes) != SUCCESS) {
  272. return FAILED;
  273. }
  274. if (MoveNodeToParent(graph, func_node, all_const_nodes, all_data_nodes, node_key, parent_index) != SUCCESS) {
  275. return FAILED;
  276. }
  277. return SUCCESS;
  278. }
  279. ///
  280. /// @ingroup ge
  281. /// @brief Append Input Tensor for functional node.
  282. /// @param [in] func_node: functional Node of Case.
  283. /// @param [in/out] parent_index: Parent index for migration.
  284. /// @param [in/out] all_data_nodes: Data groups of subgraph.
  285. /// @return 0: SUCCESS / others: FAILED
  286. ///
  287. Status SubgraphConstMigrationPass::AppendParallelNode(const NodePtr &func_node, uint32_t &parent_index,
  288. map<ComputeGraphPtr, map<uint32_t, NodePtr>> &all_data_nodes) {
  289. // If outputs index invalid, add Data and Input Tensor.
  290. if (parent_index != kInvalidParent) {
  291. return SUCCESS;
  292. }
  293. // Add Data to subgraph.
  294. parent_index = func_node->GetAllInDataAnchorsSize(); // Update to valid parent index.
  295. for (auto &item : all_data_nodes) {
  296. const auto &subgraph = item.first;
  297. const auto data_name = subgraph->GetName() + "_data_" + std::to_string(parent_index);
  298. OpDescBuilder op_builder(data_name, DATA);
  299. const auto op_desc = op_builder.AddInput("x").AddOutput("y").Build();
  300. if (op_desc == nullptr) {
  301. REPORT_CALL_ERROR("E19999", "Build op:%s(%s) failed", data_name.c_str(), DATA);
  302. GELOGE(OUT_OF_MEMORY, "[Build][OpDesc] %s(%s) failed", data_name.c_str(), DATA);
  303. return OUT_OF_MEMORY;
  304. }
  305. uint32_t data_index = parent_index - kCaseInputBase;
  306. if (!AttrUtils::SetInt(op_desc, ATTR_NAME_INDEX, data_index)) {
  307. REPORT_CALL_ERROR("E19999", "Set Attr:%s to op:%s(%s) failed", ATTR_NAME_INDEX.c_str(),
  308. op_desc->GetName().c_str(), op_desc->GetType().c_str());
  309. GELOGE(FAILED, "[Set][Attr] %s to op:%s(%s) failed", ATTR_NAME_INDEX.c_str(),
  310. op_desc->GetName().c_str(), op_desc->GetType().c_str());
  311. return FAILED;
  312. }
  313. if (!AttrUtils::SetInt(op_desc, ATTR_NAME_PARENT_NODE_INDEX, parent_index)) {
  314. REPORT_CALL_ERROR("E19999", "Set Attr:%s to op:%s(%s) failed", ATTR_NAME_PARENT_NODE_INDEX.c_str(),
  315. op_desc->GetName().c_str(), op_desc->GetType().c_str());
  316. GELOGE(FAILED, "[Set][Attr] %s to op:%s(%s) failed", ATTR_NAME_PARENT_NODE_INDEX.c_str(),
  317. op_desc->GetName().c_str(), op_desc->GetType().c_str());
  318. return FAILED;
  319. }
  320. item.second[parent_index] = subgraph->AddNode(op_desc);
  321. GELOGI("Add Node: %s, parent index: %u", op_desc->GetName().c_str(), parent_index);
  322. }
  323. // Add InputTensor to functional Node.
  324. NodeUtils::AppendInputAnchor(func_node, parent_index + 1);
  325. return SUCCESS;
  326. }
  327. ///
  328. /// @ingroup ge
  329. /// @brief Delete Node from subgraph.
  330. /// @param [in] graph: subgraph for process.
  331. /// @param [in] const_node: Node will move to parent.
  332. /// @param [in] data_node: Place holder for Const.
  333. /// @return 0: SUCCESS / others: FAILED
  334. ///
  335. Status SubgraphConstMigrationPass::DetachParallelNode(const ComputeGraphPtr &graph, const NodePtr &const_node,
  336. const NodePtr &data_node) {
  337. // Break Data and Move node.
  338. const auto &in_anchor = const_node->GetInControlAnchor();
  339. const auto out_anchors = in_anchor->GetPeerOutControlAnchors();
  340. for (const auto out_anchor : out_anchors) {
  341. GE_CHK_GRAPH_STATUS_RET(GraphUtils::RemoveEdge(out_anchor, in_anchor),
  342. "[Remove][Edge] between %s and %s failed", out_anchor->GetOwnerNode()->GetName().c_str(),
  343. const_node->GetName().c_str());
  344. const auto owner_node = out_anchor->GetOwnerNode();
  345. GELOGI("Remove Edge: %s %s", owner_node->GetName().c_str(), const_node->GetName().c_str());
  346. if (owner_node->GetInAllNodes().empty() && owner_node->GetOutAllNodes().empty() && owner_node != data_node) {
  347. GE_CHK_GRAPH_STATUS_RET(GraphUtils::RemoveNodeWithoutRelink(graph, owner_node),
  348. "[Remove][Node] without relink failed, node:%s", owner_node->GetName().c_str());
  349. }
  350. }
  351. const auto &ctrl_anchor = const_node->GetOutControlAnchor();
  352. const auto ctrl_anchors = ctrl_anchor->GetPeerInControlAnchors();
  353. for (const auto in_anchor : ctrl_anchors) {
  354. GE_CHK_GRAPH_STATUS_RET(GraphUtils::RemoveEdge(ctrl_anchor, in_anchor),
  355. "[Remove][ControlEdge] between %s and %s failed",
  356. const_node->GetName().c_str(), in_anchor->GetOwnerNode()->GetName().c_str());
  357. GELOGI("Remove Edge: %s %s", const_node->GetName().c_str(), in_anchor->GetOwnerNode()->GetName().c_str());
  358. GE_CHK_GRAPH_STATUS_RET(GraphUtils::AddEdge(data_node->GetOutControlAnchor(), in_anchor),
  359. "[Add][ControlEdge] between %s and %s failed",
  360. data_node->GetName().c_str(), in_anchor->GetOwnerNode()->GetName().c_str());
  361. GELOGI("Add Edge: %s %s", data_node->GetName().c_str(), in_anchor->GetOwnerNode()->GetName().c_str());
  362. }
  363. // Break Move and follow, Link Data and follow.
  364. const auto &out_anchor = const_node->GetOutDataAnchor(kZeroIndex);
  365. const auto in_anchors = out_anchor->GetPeerInDataAnchors();
  366. for (const auto in_anchor : in_anchors) {
  367. GE_CHK_GRAPH_STATUS_RET(GraphUtils::RemoveEdge(out_anchor, in_anchor),
  368. "[Remove][Edge] between %s and %s failed",
  369. const_node->GetName().c_str(), in_anchor->GetOwnerNode()->GetName().c_str());
  370. GELOGI("Remove Edge: %s %s", const_node->GetName().c_str(), in_anchor->GetOwnerNode()->GetName().c_str());
  371. GE_CHK_GRAPH_STATUS_RET(GraphUtils::AddEdge(data_node->GetOutDataAnchor(kZeroIndex), in_anchor),
  372. "[Add][Edge] between %s and %s failed",
  373. data_node->GetName().c_str(), in_anchor->GetOwnerNode()->GetName().c_str());
  374. GELOGI("Add Edge: %s %s", data_node->GetName().c_str(), in_anchor->GetOwnerNode()->GetName().c_str());
  375. }
  376. // Update Data op DataType.
  377. const auto &const_desc = const_node->GetOpDesc();
  378. const auto &tensor_desc = const_desc->GetOutputDesc(kZeroIndex);
  379. const auto &data_desc = data_node->GetOpDesc();
  380. (void)data_desc->UpdateInputDesc(kZeroIndex, tensor_desc); // Set Data Input to new connect Node.
  381. (void)data_desc->UpdateOutputDesc(kZeroIndex, tensor_desc); // Set Data Output to new connect Node.
  382. return SUCCESS;
  383. }
  384. ///
  385. /// @ingroup ge
  386. /// @brief Move Node to Parent Graph.
  387. /// @param [in] graph: Parent compute graph.
  388. /// @param [in] func_node: functional Node of Case.
  389. /// @param [in] const_node: Node will move to parent.
  390. /// @param [in] parent_index: Parent index of Node input.
  391. /// @return 0: SUCCESS / others: FAILED
  392. ///
  393. Status SubgraphConstMigrationPass::AttachParallelNode(const ComputeGraphPtr &graph, const NodePtr &func_node,
  394. const NodePtr &const_node, uint32_t parent_index) {
  395. GE_CHECK_NOTNULL(const_node);
  396. if (parent_index == kInvalidParent) {
  397. return INTERNAL_ERROR;
  398. }
  399. const auto &func_desc = func_node->GetOpDesc();
  400. const auto &tensor_desc = const_node->GetOpDesc()->GetOutputDesc(kZeroIndex);
  401. (void)func_desc->UpdateInputDesc(parent_index, tensor_desc); // Set Data Input to new connect Node.
  402. const auto &in_anchor = func_node->GetInDataAnchor(parent_index);
  403. const auto &out_anchor = in_anchor->GetPeerOutAnchor();
  404. if (out_anchor != nullptr) { // Break useless old link.
  405. GE_CHK_GRAPH_STATUS_RET(GraphUtils::RemoveEdge(out_anchor, in_anchor),
  406. "[Remove][Edge] between %s and %s failed",
  407. out_anchor->GetOwnerNode()->GetName().c_str(), func_node->GetName().c_str());
  408. const auto owner_node = out_anchor->GetOwnerNode();
  409. GELOGI("Remove Edge: %s %s", owner_node->GetName().c_str(), func_node->GetName().c_str());
  410. if (owner_node->GetInAllNodes().empty() && owner_node->GetOutAllNodes().empty()) {
  411. GE_CHK_GRAPH_STATUS_RET(GraphUtils::RemoveNodeWithoutRelink(graph, owner_node),
  412. "[Remove][Node] without relink failed, node:%s", owner_node->GetName().c_str());
  413. }
  414. }
  415. GE_CHK_GRAPH_STATUS_RET(GraphUtils::AddEdge(const_node->GetOutDataAnchor(kZeroIndex), in_anchor),
  416. "[Add][Edge] between %s and %s failed",
  417. const_node->GetName().c_str(), func_node->GetName().c_str());
  418. GELOGI("Add Edge: %s %s, index: %u", const_node->GetName().c_str(), func_node->GetName().c_str(), parent_index);
  419. (void)graph->AddNode(const_node);
  420. (void)const_node->SetOwnerComputeGraph(graph);
  421. GELOGI("Add Node: %s %s", graph->GetName().c_str(), const_node->GetName().c_str());
  422. return SUCCESS;
  423. }
  424. ///
  425. /// @ingroup ge
  426. /// @brief Move node to Parent graph.
  427. /// @param [in] graph: Root compute graph.
  428. /// @param [in] func_node: functional Node of Case.
  429. /// @param [in] graph_nodes: Data groups of subgraph.
  430. /// @param [in] index: anchor index of move Node.
  431. /// @param [in] inputs: Parent index of Node input.
  432. /// @param [in] outputs: Parent index of Node output.
  433. /// @return 0: SUCCESS / others: FAILED
  434. ///
  435. Status SubgraphConstMigrationPass::MoveNodeToParent(const ComputeGraphPtr &graph, const NodePtr &func_node,
  436. const map<ComputeGraphPtr, map<string, NodePtr>> &all_const_nodes,
  437. const map<ComputeGraphPtr, map<uint32_t, NodePtr>> &all_data_nodes,
  438. const string &node_key, uint32_t parent_index) {
  439. if (node_key.empty() || parent_index == kInvalidParent) {
  440. REPORT_INNER_ERROR("E19999", "Param node_key is empty or param parent_index is 0x%X, check invalid",
  441. kInvalidParent);
  442. GELOGE(FAILED, "[Check][Param] Param node_key is empty or param parent_index is 0x%X", kInvalidParent);
  443. return FAILED;
  444. }
  445. NodePtr move_node;
  446. for (auto &item : all_const_nodes) {
  447. const auto &subgraph = item.first;
  448. const auto it_const = item.second.find(node_key);
  449. if (it_const == item.second.end()) {
  450. REPORT_INNER_ERROR("E19999", "Const node name:%s not found in graph:%s, check invalid",
  451. node_key.c_str(), subgraph->GetName().c_str());
  452. GELOGE(FAILED, "[Check][Param] Const node name:%s not found in graph:%s",
  453. node_key.c_str(), subgraph->GetName().c_str());
  454. return FAILED;
  455. }
  456. move_node = it_const->second;
  457. const auto it_nodes = all_data_nodes.find(subgraph);
  458. if (it_nodes == all_data_nodes.end()) {
  459. REPORT_INNER_ERROR("E19999", "Const node name:%s not found in graph:%s, check invalid",
  460. node_key.c_str(), subgraph->GetName().c_str());
  461. GELOGE(FAILED, "[Check][Param] Const node name:%s not found in graph:%s",
  462. node_key.c_str(), subgraph->GetName().c_str());
  463. return FAILED;
  464. }
  465. const auto it_data = it_nodes->second.find(parent_index);
  466. if (it_data == it_nodes->second.end()) {
  467. REPORT_INNER_ERROR("E19999", "Const node name:%s not found in graph:%s, check invalid",
  468. node_key.c_str(), subgraph->GetName().c_str());
  469. GELOGE(FAILED, "[Check][Param] Const node name:%s not found in graph:%s",
  470. node_key.c_str(), subgraph->GetName().c_str());
  471. return FAILED;
  472. }
  473. if (DetachParallelNode(subgraph, move_node, it_data->second) != SUCCESS) {
  474. GELOGE(FAILED, "[Detach][ParallelNode] Data:%s not found, index:%u", move_node->GetName().c_str(), parent_index);
  475. return FAILED;
  476. }
  477. GE_CHK_GRAPH_STATUS_RET(GraphUtils::RemoveNodeWithoutRelink(subgraph, move_node),
  478. "[Remove][Node] without relink failed, node:%s, graph:%s",
  479. move_node->GetName().c_str(), subgraph->GetName().c_str());
  480. GELOGI("Remove Node: %s %s", subgraph->GetName().c_str(), move_node->GetName().c_str());
  481. }
  482. if (AttachParallelNode(graph, func_node, move_node, parent_index) != SUCCESS) {
  483. return FAILED;
  484. }
  485. return SUCCESS;
  486. }
  487. } // 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