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 +1,24 @@
+#include "shape/SizeComputer.hpp"
+#include "core/Macro.h"
+#include "core/TensorUtils.hpp"
+
+namespace MNN {
+class SegmentMeanSizeComputer : public SizeComputer{
+    virtual bool onComputeSize(const MNN::Op* op, const std::vector<Tensor*>& inputs, const std::vector<Tensor*>& outputs) const override{
+        // printf("Begin to Compute Shape of SegmentMean!\n");
+        auto dataDim = inputs[0]->dimensions();
+        auto segmentIds = inputs[1];
+        auto output = outputs[0];
+        output->buffer().dimensions = dataDim;
+        int S = inputs[0]->length(0);
+        output->setLength(0, inputs[1]->host<int>()[S-1]+1);
+        for(int i=1; i<dataDim; i++) {
+            output->setLength(i, inputs[0]->length(i));
+        }
+        TensorUtils::getDescribe(outputs[0])->dimensionFormat = TensorUtils::getDescribe(inputs[0])->dimensionFormat;
+        return true;
+    }
+};
+
+REGISTER_SHAPE_INPUTS(SegmentMeanSizeComputer, OpType_Segment, std::vector<int>{1});
+}//namespace MNN