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Intel Inference Engine deep learning backend (#10608)

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* Intel Inference Engine deep learning backend.

* OpenFace network using Inference Engine backend
This commit is contained in:
Dmitry Kurtaev
2018-02-06 11:57:35 +03:00
committed by Vadim Pisarevsky
parent 292dfc2d72
commit 10e1de74d2
26 changed files with 1379 additions and 49 deletions
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modules/dnn/src/layers/fully_connected_layer.cpp
+21 -1
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@@ -43,6 +43,7 @@
#include "../precomp.hpp"
#include "layers_common.hpp"
#include "op_halide.hpp"
#include "op_inf_engine.hpp"
#include "opencl_kernels_dnn.hpp"
#include <opencv2/dnn/shape_utils.hpp>
@@ -127,7 +128,8 @@ public:
virtual bool supportBackend(int backendId)
{
return backendId == DNN_BACKEND_DEFAULT ||
backendId == DNN_BACKEND_HALIDE && haveHalide() && axis == 1;
backendId == DNN_BACKEND_HALIDE && haveHalide() && axis == 1 ||
backendId == DNN_BACKEND_INFERENCE_ENGINE && haveInfEngine() && axis == 1;
}
virtual bool setActivation(const Ptr<ActivationLayer>& layer)
@@ -395,6 +397,24 @@ public:
return Ptr<BackendNode>();
}
virtual Ptr<BackendNode> initInfEngine(const std::vector<Ptr<BackendWrapper> >&)
{
#ifdef HAVE_INF_ENGINE
InferenceEngine::LayerParams lp;
lp.name = name;
lp.type = "FullyConnected";
lp.precision = InferenceEngine::Precision::FP32;
std::shared_ptr<InferenceEngine::FullyConnectedLayer> ieLayer(new InferenceEngine::FullyConnectedLayer(lp));
ieLayer->_out_num = blobs[0].size[0];
ieLayer->_weights = wrapToInfEngineBlob(blobs[0]);
if (blobs.size() > 1)
ieLayer->_biases = wrapToInfEngineBlob(blobs[1]);
return Ptr<BackendNode>(new InfEngineBackendNode(ieLayer));
#endif // HAVE_INF_ENGINE
return Ptr<BackendNode>();
}
virtual int64 getFLOPS(const std::vector<MatShape> &inputs,
const std::vector<MatShape> &outputs) const
{