chore: import upstream snapshot with attribution

2026-07-13 13:36:55 +08:00
commit c8a779b1bb
1887 changed files with 3245738 additions and 0 deletions
@@ -0,0 +1,116 @@
+/*
+ * SPDX-FileCopyrightText: Copyright (c) 1993-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ */
+#ifndef TRT_SCATTER_PLUGIN_H
+#define TRT_SCATTER_PLUGIN_H
+#include "common/kernels/kernel.h"
+#include "common/plugin.h"
+#include <string>
+#include <vector>
+
+namespace nvinfer1
+{
+namespace plugin
+{
+
+class ScatterND : public IPluginV2DynamicExt
+{
+public:
+    ScatterND();
+
+    ~ScatterND() override = default;
+
+    int32_t getNbOutputs() const noexcept override;
+
+    DimsExprs getOutputDimensions(
+        int32_t outputIndex, DimsExprs const* inputs, int32_t nbInputs, IExprBuilder& exprBuilder) noexcept override;
+
+    bool supportsFormatCombination(
+        int32_t pos, PluginTensorDesc const* inOut, int32_t nbInputs, int32_t nbOutputs) noexcept override;
+
+    void configurePlugin(DynamicPluginTensorDesc const* in, int32_t nbInputs, DynamicPluginTensorDesc const* out,
+        int32_t nbOutputs) noexcept override;
+
+    size_t getWorkspaceSize(PluginTensorDesc const* inputs, int32_t nbInputs, PluginTensorDesc const* outputs,
+        int32_t nbOutputs) const noexcept override;
+
+    int32_t initialize() noexcept override;
+
+    void terminate() noexcept override;
+
+    int32_t enqueue(PluginTensorDesc const* inputDesc, PluginTensorDesc const* outputDesc, void const* const* inputs,
+        void* const* outputs, void* workspace, cudaStream_t stream) noexcept override;
+
+    size_t getSerializationSize() const noexcept override;
+
+    void serialize(void* buffer) const noexcept override;
+
+    char const* getPluginType() const noexcept override;
+
+    char const* getPluginVersion() const noexcept override;
+
+    void destroy() noexcept override;
+
+    IPluginV2DynamicExt* clone() const noexcept override;
+
+    void setPluginNamespace(char const* pluginNamespace) noexcept override;
+
+    char const* getPluginNamespace() const noexcept override;
+
+    DataType getOutputDataType(
+        int32_t index, nvinfer1::DataType const* inputTypes, int32_t nbInputs) const noexcept override;
+
+    void attachToContext(
+        cudnnContext* cudnnContext, cublasContext* cublasContext, IGpuAllocator* gpuAllocator) noexcept override;
+
+    void detachFromContext() noexcept override;
+
+private:
+    // calculate how many slices we need to scatter = reduce_mul(indexTensor.shape[:-1])
+    int32_t calculateNumSlices(Dims indexTensorDims) const noexcept;
+    int32_t calculateCopySize(Dims const& dataDims) const noexcept;
+    void calculateTransformCoeff(Dims const& dataTensorDims, int32_t indexRank, int32_t* transformCoeff) const noexcept;
+    std::string mPluginNamespace;
+
+    static constexpr int32_t indexTensorIdx = 1;
+    static constexpr int32_t updateTensorIdx = 2;
+    static constexpr int32_t dataTensorIdx = 0;
+};
+
+class ScatterNDPluginCreator : public nvinfer1::pluginInternal::BaseCreator
+{
+public:
+    ScatterNDPluginCreator();
+
+    ~ScatterNDPluginCreator() override = default;
+
+    char const* getPluginName() const noexcept override;
+
+    char const* getPluginVersion() const noexcept override;
+
+    PluginFieldCollection const* getFieldNames() noexcept override;
+
+    IPluginV2Ext* createPlugin(char const* name, PluginFieldCollection const* fc) noexcept override;
+
+    IPluginV2Ext* deserializePlugin(char const* name, void const* serialData, size_t serialLength) noexcept override;
+
+private:
+    PluginFieldCollection mFC;
+};
+} // namespace plugin
+} // namespace nvinfer1
+
+#endif // TRT_SCATTER_PLUGIN_H