chore: import upstream snapshot with attribution

2026-07-13 12:47:05 +08:00
commit 4f3b7da785
7394 changed files with 2005594 additions and 0 deletions
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+/* ******************************************************************************
+ *
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ *  See the NOTICE file distributed with this work for additional
+ *  information regarding copyright ownership.
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+
+//
+// @author raver119@gmail.com
+//
+
+#ifndef LIBND4J_STASH_H
+#define LIBND4J_STASH_H
+
+#include <array/NDArray.h>
+
+#include <atomic>
+#include <functional>
+#include <map>
+#include <string>
+#include <vector>
+
+namespace sd {
+namespace graph {
+class SD_LIB_EXPORT KeyPair {
+  int _node;
+  std::string _name;
+
+ public:
+  KeyPair(int node = 0, const char *name = nullptr);
+
+  bool operator<(const KeyPair &other) const;
+
+  bool operator==(const KeyPair &other) const { return _node == other._node; }
+
+  int key() const { return _node; }
+  std::string name() const { return _name; }
+};
+}  // namespace graph
+}  // namespace sd
+
+#ifndef __JAVACPP_HACK__
+
+namespace std {
+template <>
+class SD_LIB_EXPORT hash<sd::graph::KeyPair> {
+ public:
+  size_t operator()(const sd::graph::KeyPair &k) const;
+};
+};  // namespace std
+
+#endif
+
+namespace sd {
+namespace graph {
+class SD_LIB_EXPORT Stash {
+ protected:
+  std::map<KeyPair, NDArray *> _stash;
+  std::vector<NDArray *> _handles;
+
+ public:
+  Stash();
+  ~Stash();
+
+  void storeArray(int nodeId, const char *name, NDArray *array);
+
+  bool checkStash(int nodeId, const char *name);
+
+  NDArray *extractArray(int nodeId, const char *name);
+
+  void clear();
+};
+}  // namespace graph
+
+}  // namespace sd
+
+#endif  // LIBND4J_STASH_H