chore: import upstream snapshot with attribution

2026-07-13 13:33:03 +08:00
commit 5b57521aa1
8226 changed files with 3425766 additions and 0 deletions
@@ -0,0 +1,54 @@
+//
+//  ScalePlugin.cpp
+//  MNN
+//
+//  Created by MNN on b'2020/08/14'.
+//  Copyright © 2018, Alibaba Group Holding Limited
+//
+
+#include "ScalePlugin.hpp"
+namespace MNN {
+ScalePlugin::ScalePlugin(const Op* op, const MNNTRTPlugin::Plugin* plugin) {
+    auto shape = plugin->outputs()->GetAs<MNNTRTPlugin::Shape>(0);
+    mBatch     = shape->dim()->data()[0];
+    mChannel   = shape->dim()->data()[1];
+    mArea      = 1;
+    for (int i = 2; i < shape->dim()->size(); ++i) {
+        mArea *= shape->dim()->data()[i];
+    }
+    auto scale = op->main_as_Scale();
+    cudaMalloc(&mDeviceScale, mChannel * sizeof(float));
+    MNN_ASSERT(nullptr != mDeviceScale);
+    cudaMalloc(&mDeviceBias, mChannel * sizeof(float));
+    MNN_ASSERT(nullptr != mDeviceBias);
+    mInputCount = mBatch * mChannel * mArea;
+    {
+        auto alphaData = scale->scaleData()->data();
+        cudaMemcpy(mDeviceScale, alphaData, mChannel * sizeof(float), cudaMemcpyHostToDevice);
+    }
+    {
+        auto biasData = scale->biasData()->data();
+        if (nullptr != biasData) {
+            cudaMemcpy(mDeviceBias, biasData, mChannel * sizeof(float), cudaMemcpyHostToDevice);
+        } else {
+            cudaMemset(mDeviceBias, 0, mChannel * sizeof(float));
+        }
+    }
+}
+ScalePlugin::~ScalePlugin() {
+    cudaFree(mDeviceBias);
+    cudaFree(mDeviceScale);
+}
+int ScalePlugin::onEnqueue(int batchSize, const void* const* inputs, void** outputs, void*, nvinfer1::DataType dataType, cudaStream_t stream) {
+    const float* bottom_data = reinterpret_cast<const float*>(inputs[0]);
+    float* top_data          = reinterpret_cast<float*>(outputs[0]);
+
+    const int count    = batchSize * mInputCount;
+    const int dim      = mArea;
+    const int channels = mChannel;
+
+    return ScaleExecute(dataType, count, channels, dim, bottom_data, top_data, (const float*)mDeviceScale, (const float*)mDeviceBias,
+                 stream);
+}
+
+} // namespace MNN