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
+ ******************************************************************************/
+
+//
+// Created by raver119 on 30.11.17.
+//
+
+#ifndef LIBND4J_CUDACONTEXT_H
+#define LIBND4J_CUDACONTEXT_H
+
+
+
+#ifdef SD_CUDA
+#include <cuda.h>
+#include <cuda_device_runtime_api.h>
+#include <cuda_runtime.h>
+#include <cuda_runtime_api.h>
+
+#include "config.h"
+#endif
+
+// used for MKLDNN etc
+#if !defined(__STANDALONE_BUILD__)
+#include "config.h"
+#endif
+
+#include <execution/ContextBuffers.h>
+#include <execution/ErrorReference.h>
+#include <memory/Workspace.h>
+#include <system/common.h>
+#include <system/op_boilerplate.h>
+
+#include <memory>
+#include <mutex>
+#include <vector>
+
+namespace sd {
+
+class SD_LIB_EXPORT LaunchContext {
+ private:
+  // Previous implementation used heap-allocated pointer which caused crashes during JVM shutdown:
+  // - The vector* was allocated with new and "intentionally leaked"
+  // - But C++ static destruction still tried to destruct it, causing SIGSEGV
+  // - This SIGSEGV triggered signal handler which called abort(), resulting in SIGABRT
+  // Function-local static has well-defined destruction order and avoids this crash
+  static std::vector<LaunchContext*>& contexts();
+  static std::mutex _mutex;
+
+  static SD_MAP_IMPL<int, std::mutex*> _deviceMutexes;
+
+  // used for MKLDNN
+  void* _engine = nullptr;
+
+#ifdef SD_CUDA
+
+#ifndef __JAVACPP_HACK__
+
+  void* _cublasHandle = nullptr;
+  void* _cusolverHandle = nullptr;
+
+#endif  // JCPP
+
+  bool _isAllocated = false;
+#endif  // CUDA
+  memory::Workspace* _workspace = nullptr;
+  int _deviceID = 0;
+
+ public:
+#ifdef SD_CUDA
+
+#ifndef __JAVACPP_HACK__
+  LaunchContext(cudaStream_t* cudaStream, cudaStream_t& specialCudaStream, void* reductionPointer = nullptr,
+                void* scalarPointer = nullptr, int* allocationPointer = nullptr);
+
+  void* getReductionPointer() const;
+  void* getScalarPointer() const;
+  LongType* getAllocationPointer() const;
+  void* getCublasHandle() const;
+  void* getCusolverHandle() const;
+  void* getCuDnnHandle() const;
+  cudaStream_t* getCudaStream() const;
+  cudaStream_t* getCudaSpecialStream() const;
+
+  void setReductionPointer(void* reductionPointer);
+  void setScalarPointer(void* scalarPointer);
+  void setAllocationPointer(int* allocationPointer);
+  void setCudaStream(cudaStream_t* cudaStream);
+  void setCudaSpecialStream(cudaStream_t* cudaStream);
+  void setCublasHandle(void* handle);
+
+#endif  // JCPP
+
+#endif  // CUDA
+  LaunchContext(Pointer cudaStream, Pointer reductionPointer = nullptr, Pointer scalarPointer = nullptr,
+                Pointer allocationPointer = nullptr);
+  LaunchContext();
+  ~LaunchContext();
+  memory::Workspace* getWorkspace() const {
+    return _workspace;
+  }
+  void setWorkspace(memory::Workspace* theWorkspace) { _workspace = theWorkspace; }
+
+  void* engine();
+
+  int getDeviceID() const { return _deviceID; }
+  void setDeviceID(int deviceID) { _deviceID = deviceID; }
+  ErrorReference* errorReference();
+
+#ifndef __JAVACPP_HACK__
+  // this method returns mutex shared between all threads that use the same device
+  static std::mutex* deviceMutex();
+
+#endif
+
+  static bool isInitialized();
+  static void releaseBuffers();
+
+  static LaunchContext* defaultContext();
+
+  static void swapContextBuffers(ContextBuffers& buffers);
+};
+
+}  // namespace sd
+
+#endif  // LIBND4J_CUDACONTEXT_H