PermuteAsReshapeTests.cpp File Reference

#include "../TestUtils.hpp"
#include <Optimizer.hpp>
#include <boost/test/unit_test.hpp>

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Functions
	BOOST_AUTO_TEST_CASE (PermuteAsReshapeTest)

Function Documentation

BOOST_AUTO_TEST_CASE()

BOOST_AUTO_TEST_CASE

(

PermuteAsReshapeTest

)

Definition at line 17 of file PermuteAsReshapeTests.cpp.

References Graph::AddLayer(), BOOST_AUTO_TEST_SUITE_END(), Graph::cbegin(), Graph::cend(), CheckSequence(), armnn::Float32, Graph::InsertNewLayer(), armnn::MakeOptimizations(), and Optimizer::Pass().

{
    armnn::Graph graph;

    std::string permuteLayerName = "permute";

    const armnn::TensorInfo infoIn({ 1, 2, 3, 1 }, armnn::DataType::Float32);
    const armnn::TensorInfo infoOut({ 1, 1, 2, 3 }, armnn::DataType::Float32);

    auto output = graph.AddLayer<armnn::OutputLayer>(0, "output");

    graph.InsertNewLayer<armnn::InputLayer>(output->GetInputSlot(0), 0, "input")
        ->GetOutputHandler()
        .SetTensorInfo(infoIn);

    // Inserts permute.
    graph
        .InsertNewLayer<armnn::PermuteLayer>(output->GetInputSlot(0), armnn::PermuteDescriptor({ 0, 2, 3, 1 }),
                                             permuteLayerName.c_str())
        ->GetOutputHandler()
        .SetTensorInfo(infoOut);

    BOOST_TEST(CheckSequence(graph.cbegin(), graph.cend(), &IsLayerOfType<armnn::InputLayer>,
                             &IsLayerOfType<armnn::PermuteLayer>, &IsLayerOfType<armnn::OutputLayer>));

    armnn::Optimizer::Pass(graph, armnn::MakeOptimizations(PermuteAsReshape()));

    // The permute is replaced by an equivalent reshape.

    auto checkReshape = [&infoOut](const armnn::Layer* const layer) -> bool {
        const auto reshapeLayer = static_cast<const armnn::ReshapeLayer*>(layer);
        return IsLayerOfType<armnn::ReshapeLayer>(layer) &&
               (reshapeLayer->GetParameters().m_TargetShape == infoOut.GetShape()) &&
               (reshapeLayer->GetOutputHandler().GetTensorInfo().GetShape() == infoOut.GetShape());
    };

    BOOST_TEST(CheckSequence(graph.cbegin(), graph.cend(), &IsLayerOfType<armnn::InputLayer>, checkReshape,
                             &IsLayerOfType<armnn::OutputLayer>));

    std::list<std::string> testRelatedLayers = { permuteLayerName };
    BOOST_TEST(CheckRelatedLayers<armnn::ReshapeLayer>(graph, testRelatedLayers));
}