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_CONSTANTHOLDER_H
+#define LIBND4J_CONSTANTHOLDER_H
+#include <array/ConstantDataBuffer.h>
+#include <array/ConstantDescriptor.h>
+
+#include <map>
+#include <mutex>
+
+namespace sd {
+class ConstantHolder {
+ private:
+  int _deviceId = 0;
+  std::mutex _mutex;
+
+  std::map<DataType, ConstantDataBuffer> _buffers;
+
+ public:
+  ConstantHolder(const ConstantHolder &other);
+  ConstantHolder() = default;
+  ~ConstantHolder() = default;
+
+  ConstantHolder &operator=(const ConstantHolder &other) = delete;
+  ConstantHolder &operator=(ConstantHolder &&other) = delete;
+
+  bool hasBuffer(DataType dataType);
+
+  template <typename T>
+  bool hasBuffer();
+
+  void addBuffer(ConstantDataBuffer &pointer, DataType dataType);
+
+  template <typename T>
+  void addBuffer(ConstantDataBuffer &pointer);
+
+  ConstantDataBuffer *getConstantDataBuffer(DataType dataType);
+
+  template <typename T>
+  ConstantDataBuffer *getConstantDataBuffer();
+
+  std::mutex *mutex();
+};
+}  // namespace sd
+
+#endif  // DEV_TESTS_CONSTANTHOLDER_H