mirror of https://github.com/alibaba/MNN.git
				
				
				
			
		
			
				
	
	
		
			55 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			55 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
| //
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| //  GeometryThreshold.cpp
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| //  MNN
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| //
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| //  Created by MNN on 2020/07/27.
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| //  Copyright © 2018, Alibaba Group Holding Limited
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| //
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| 
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| #include "geometry/GeometryComputer.hpp"
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| #include "core/OpCommonUtils.hpp"
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| #include "geometry/GeometryComputerUtils.hpp"
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| 
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| namespace MNN {
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| class GeometryThreshold : public GeometryComputer {
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| public:
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|     virtual bool onCompute(const Op* op, const std::vector<Tensor*>& inputs, const std::vector<Tensor*>& outputs, Context& context, CommandBuffer& res) const override {
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|         MNN_ASSERT(1 == inputs.size());
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|         MNN_ASSERT(1 == outputs.size());
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|         auto input = inputs[0];
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|         auto output = outputs[0];
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|         // compare with threshold
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|         std::shared_ptr<Tensor> compValue(new Tensor);
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|         {
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|             auto thresholdConst = context.allocConst(op, {}, halide_type_of<float>());
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|             thresholdConst->host<float>()[0] = op->main_as_ELU()->alpha();
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|             compValue->buffer().type = halide_type_of<int>();
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|             TensorUtils::copyShape(input, compValue.get(), true);
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|             auto cmd = GeometryComputerUtils::makeBinary(BinaryOpOperation_GREATER, input, thresholdConst.get(), compValue.get());
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|             res.extras.emplace_back(compValue);
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|             res.command.emplace_back(std::move(cmd));
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|         }
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|         // select
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|         {
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|             auto zeroConst = context.allocConst(op, {}, halide_type_of<float>());
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|             auto oneConst = context.allocConst(op, {}, halide_type_of<float>());
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|             zeroConst->host<float>()[0] = 0.0;
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|             oneConst->host<float>()[0] = 1.0;
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|             std::unique_ptr<OpT> selectOp(new OpT);
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|             selectOp->type = OpType_Select;
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|             auto cmd = GeometryComputerUtils::makeCommand(selectOp.get(), {compValue.get(), oneConst.get(), zeroConst.get()}, {output});
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|             res.command.emplace_back(std::move(cmd));
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|         }
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|         return true;
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|     }
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| };
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| 
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| static void _create() {
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|     std::shared_ptr<GeometryComputer> comp(new GeometryThreshold);
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|     GeometryComputer::registerGeometryComputer(comp, {OpType_Threshold});
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| }
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| 
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| REGISTER_GEOMETRY(GeometryThreshold, _create);
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| 
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| } // namespace MNN
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