1 //
2 // Copyright © 2017 Arm Ltd. All rights reserved.
3 // SPDX-License-Identifier: MIT
4 //
5
6 #include "../TestUtils.hpp"
7
8 #include <Optimizer.hpp>
9
10 #include <boost/test/unit_test.hpp>
11
12 BOOST_AUTO_TEST_SUITE(Optimizer)
13 using namespace armnn::optimizations;
14
BOOST_AUTO_TEST_CASE(ConvertConstantsHalfToFloatTest)15 BOOST_AUTO_TEST_CASE(ConvertConstantsHalfToFloatTest)
16 {
17 armnn::Graph graph;
18
19 const armnn::TensorInfo info({ 1, 1, 1, 2 }, armnn::DataType::Float32);
20
21 // Create the half precision input data
22 unsigned int dims[] = { 4, 1, 1, 1 };
23 std::vector<float> convWeightsData{ 1.f, 2.f, 3.f, 4.f };
24 std::vector<uint16_t> halfWeights(4);
25 armnnUtils::FloatingPointConverter::ConvertFloat32To16(convWeightsData.data(), convWeightsData.size(),
26 halfWeights.data());
27 armnn::ConstTensor weights(armnn::TensorInfo(4, dims, armnn::DataType::Float16), halfWeights);
28
29 //Create the simple test network
30 auto input = graph.AddLayer<armnn::InputLayer>(0, "input");
31 input->GetOutputSlot().SetTensorInfo(info);
32
33 auto fc = graph.AddLayer<armnn::FullyConnectedLayer>(armnn::FullyConnectedDescriptor(), "fc");
34 fc->m_Weight = std::make_unique<armnn::ScopedCpuTensorHandle>(weights);
35 fc->GetOutputSlot().SetTensorInfo(info);
36
37 auto output = graph.AddLayer<armnn::OutputLayer>(1, "output");
38
39 //Connect up the layers
40 input->GetOutputSlot().Connect(fc->GetInputSlot(0));
41 fc->GetOutputSlot().Connect(output->GetInputSlot(0));
42
43 //Test the tensor info is correct.
44 BOOST_CHECK(fc->m_Weight->GetTensorInfo().GetDataType() == armnn::DataType::Float16);
45
46 // Run the optimizer
47 armnn::Optimizer::Pass(graph, armnn::MakeOptimizations(ConvertConstantsHalfToFloat()));
48
49 //Test the tensor info is correct.
50 BOOST_CHECK(fc->m_Weight->GetTensorInfo().GetDataType() == armnn::DataType::Float32);
51
52 // Now test the data matches float32 data
53 float* data = fc->m_Weight->GetTensor<float>();
54 BOOST_CHECK(1.0f == data[0]);
55 BOOST_CHECK(2.0f == data[1]);
56 BOOST_CHECK(3.0f == data[2]);
57 BOOST_CHECK(4.0f == data[3]);
58 }
59
60 BOOST_AUTO_TEST_SUITE_END()