wehub-resource-sync
127 lines
3.9 KiB
C++
127 lines
3.9 KiB
C++
/*
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* ******************************************************************************
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* *
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* *
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* * This program and the accompanying materials are made available under the
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* * terms of the Apache License, Version 2.0 which is available at
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* * https://www.apache.org/licenses/LICENSE-2.0.
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* *
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* * See the NOTICE file distributed with this work for additional
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* * information regarding copyright ownership.
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* * Unless required by applicable law or agreed to in writing, software
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* * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* * License for the specific language governing permissions and limitations
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* * under the License.
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* *
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* * SPDX-License-Identifier: Apache-2.0
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* *****************************************************************************
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*/
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//
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// @author raver119@gmail.com
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//
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#include <array/ConstantShapeBuffer.h>
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#include <sstream>
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namespace sd {
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ConstantShapeBuffer::ConstantShapeBuffer( PointerWrapper* primary)
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: ConstantShapeBuffer(primary, nullptr) {
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#if defined(SD_GCC_FUNCTRACE)
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st = backward::StackTrace();
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st.load_here(32);
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#endif
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}
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ConstantShapeBuffer::ConstantShapeBuffer() : _magic(MAGIC_VALID), _refCount(1) {
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_primaryShapeInfo = nullptr;
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_specialShapeInfo = nullptr;
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}
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ConstantShapeBuffer::~ConstantShapeBuffer() {
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// Clear magic number first to mark as invalid during destruction
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_magic = 0;
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if(_primaryShapeInfo != nullptr)
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delete _primaryShapeInfo;
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_primaryShapeInfo = nullptr;
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if(_specialShapeInfo != nullptr)
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delete _specialShapeInfo;
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_specialShapeInfo = nullptr;
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}
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ConstantShapeBuffer::ConstantShapeBuffer( PointerWrapper* primary,
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PointerWrapper* special) : _magic(MAGIC_VALID), _refCount(1) {
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_primaryShapeInfo = primary;
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_specialShapeInfo = special;
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#if defined(SD_GCC_FUNCTRACE)
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st = backward::StackTrace();
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st.load_here(32);
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#endif
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}
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LongType *ConstantShapeBuffer::primary() {
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if(_primaryShapeInfo != nullptr) {
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return reinterpret_cast<LongType *>(_primaryShapeInfo->pointer());
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}
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return nullptr;
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}
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LongType *ConstantShapeBuffer::special() {
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if(_specialShapeInfo != nullptr) {
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return reinterpret_cast<LongType *>(_specialShapeInfo->pointer());
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}
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return nullptr;
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}
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LongType *ConstantShapeBuffer::platform() {
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#ifdef SD_CUDA
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return special();
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#else
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return primary();
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#endif // CUDABLAS
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}
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std::string ConstantShapeBuffer::getStackTraceAsString() const {
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#if defined(SD_GCC_FUNCTRACE) && !defined(__JAVACPP_HACK__)
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// Use backward::Printer to format the stack trace into a string
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std::ostringstream oss;
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backward::Printer p;
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p.snippet = false; // Don't include source code snippets
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p.address = true; // Include addresses
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p.object = false; // Don't include object file info
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p.color_mode = backward::ColorMode::never; // No ANSI colors in string
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// Print to our string stream (we need to cast away const to use st)
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// This is safe since print doesn't modify the StackTrace
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backward::StackTrace& mutable_st = const_cast<backward::StackTrace&>(st);
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p.print(mutable_st, oss);
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return oss.str();
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#else
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return ""; // Return empty string when functrace is not enabled
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#endif
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}
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void ConstantShapeBuffer::addRef() {
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_refCount.fetch_add(1, std::memory_order_relaxed);
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}
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void ConstantShapeBuffer::release() {
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// Decrement refcount - buffer stays in cache even when refcount reaches baseline
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// The cache owns these buffers and is responsible for their lifecycle
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// Don't delete when refcount reaches 1 - that means cache is the only owner
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_refCount.fetch_sub(1, std::memory_order_acq_rel);
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// NOTE: Buffers are deleted only when the cache itself is cleared/destroyed,
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// not when temporary users release their references
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}
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int ConstantShapeBuffer::getRefCount() const {
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return _refCount.load(std::memory_order_relaxed);
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}
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} // namespace sd
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