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
@@ -0,0 +1,126 @@
+/*
+ *  ******************************************************************************
+ *  *
+ *  *
+ *  * 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
+//
+#include <array/ConstantShapeBuffer.h>
+#include <sstream>
+
+namespace sd {
+ConstantShapeBuffer::ConstantShapeBuffer( PointerWrapper* primary)
+    : ConstantShapeBuffer(primary, nullptr) {
+#if defined(SD_GCC_FUNCTRACE)
+  st = backward::StackTrace();
+  st.load_here(32);
+#endif
+
+}
+ConstantShapeBuffer::ConstantShapeBuffer() : _magic(MAGIC_VALID), _refCount(1) {
+  _primaryShapeInfo = nullptr;
+  _specialShapeInfo = nullptr;
+}
+ConstantShapeBuffer::~ConstantShapeBuffer() {
+  // Clear magic number first to mark as invalid during destruction
+  _magic = 0;
+
+  if(_primaryShapeInfo != nullptr)
+    delete _primaryShapeInfo;
+  _primaryShapeInfo = nullptr;
+
+  if(_specialShapeInfo != nullptr)
+    delete _specialShapeInfo;
+  _specialShapeInfo = nullptr;
+}
+
+ConstantShapeBuffer::ConstantShapeBuffer( PointerWrapper* primary,
+                                          PointerWrapper* special) : _magic(MAGIC_VALID), _refCount(1) {
+  _primaryShapeInfo = primary;
+  _specialShapeInfo = special;
+#if defined(SD_GCC_FUNCTRACE)
+  st = backward::StackTrace();
+  st.load_here(32);
+#endif
+}
+
+LongType *ConstantShapeBuffer::primary()  {
+  if(_primaryShapeInfo != nullptr) {
+    return reinterpret_cast<LongType *>(_primaryShapeInfo->pointer());
+  }
+
+  return nullptr;
+}
+
+LongType *ConstantShapeBuffer::special()  {
+  if(_specialShapeInfo != nullptr) {
+    return reinterpret_cast<LongType *>(_specialShapeInfo->pointer());
+  }
+
+  return nullptr;
+}
+
+LongType *ConstantShapeBuffer::platform()  {
+#ifdef SD_CUDA
+  return special();
+#else
+  return primary();
+#endif  // CUDABLAS
+}
+
+std::string ConstantShapeBuffer::getStackTraceAsString() const {
+#if defined(SD_GCC_FUNCTRACE) && !defined(__JAVACPP_HACK__)
+  // Use backward::Printer to format the stack trace into a string
+  std::ostringstream oss;
+  backward::Printer p;
+  p.snippet = false;  // Don't include source code snippets
+  p.address = true;   // Include addresses
+  p.object = false;   // Don't include object file info
+  p.color_mode = backward::ColorMode::never;  // No ANSI colors in string
+
+  // Print to our string stream (we need to cast away const to use st)
+  // This is safe since print doesn't modify the StackTrace
+  backward::StackTrace& mutable_st = const_cast<backward::StackTrace&>(st);
+  p.print(mutable_st, oss);
+
+  return oss.str();
+#else
+  return "";  // Return empty string when functrace is not enabled
+#endif
+}
+
+void ConstantShapeBuffer::addRef() {
+  _refCount.fetch_add(1, std::memory_order_relaxed);
+}
+
+void ConstantShapeBuffer::release() {
+  // Decrement refcount - buffer stays in cache even when refcount reaches baseline
+  // The cache owns these buffers and is responsible for their lifecycle
+  // Don't delete when refcount reaches 1 - that means cache is the only owner
+  _refCount.fetch_sub(1, std::memory_order_acq_rel);
+
+  // NOTE: Buffers are deleted only when the cache itself is cleared/destroyed,
+  // not when temporary users release their references
+}
+
+int ConstantShapeBuffer::getRefCount() const {
+  return _refCount.load(std::memory_order_relaxed);
+}
+
+}  // namespace sd