src/armnn/backends/test/ConvertFp16ToFp32TestImpl.hpp

   1 //
   2 // Copyright © 2017 Arm Ltd. All rights reserved.
   3 // See LICENSE file in the project root for full license information.
   4 //
   5
   6 #pragma once
   7
   8 #include <armnn/ArmNN.hpp>
   9 #include <armnn/Tensor.hpp>
  10 #include <armnn/TypesUtils.hpp>
  11
  12 #include <backends/WorkloadInfo.hpp>
  13 #include <backends/CpuTensorHandle.hpp>
  14
  15 #include <test/TensorHelpers.hpp>
  16
  17 #include <Half.hpp>
  18
  19 LayerTestResult<float, 4> SimpleConvertFp16ToFp32Test(armnn::IWorkloadFactory& workloadFactory)
  20 {
  21     using namespace half_float::literal;
  22
  23     const armnn::TensorInfo inputTensorInfo({1, 3, 2, 3}, armnn::DataType::Float16);
  24     const armnn::TensorInfo outputTensorInfo({1, 3, 2, 3}, armnn::DataType::Float32);
  25
  26     auto input = MakeTensor<armnn::Half, 4>(inputTensorInfo,
  27         { -37.5_h, -15.2_h, -8.76_h, -2.0_h, -1.5_h, -1.3_h, -0.5_h, -0.4_h, 0.0_h,
  28           1.0_h, 0.4_h, 0.5_h, 1.3_h, 1.5_h, 2.0_h, 8.76_h, 15.2_h, 37.5_h });
  29
  30     LayerTestResult<float, 4> ret(outputTensorInfo);
  31     ret.outputExpected = MakeTensor<float, 4>(outputTensorInfo,
  32         { -37.5f, -15.2f, -8.76f, -2.0f, -1.5f, -1.3f, -0.5f, -0.4f, 0.0f,
  33           1.0f, 0.4f, 0.5f, 1.3f, 1.5f, 2.0f, 8.76f, 15.2f, 37.5f });
  34
  35     std::unique_ptr<armnn::ITensorHandle> inputHandle = workloadFactory.CreateTensorHandle(inputTensorInfo);
  36     std::unique_ptr<armnn::ITensorHandle> outputHandle = workloadFactory.CreateTensorHandle(outputTensorInfo);
  37
  38     armnn::ConvertFp16ToFp32QueueDescriptor data;
  39     armnn::WorkloadInfo info;
  40     AddInputToWorkload(data, info, inputTensorInfo, inputHandle.get());
  41     AddOutputToWorkload(data, info, outputTensorInfo, outputHandle.get());
  42
  43     std::unique_ptr<armnn::IWorkload> workload = workloadFactory.CreateConvertFp16ToFp32(data, info);
  44
  45     inputHandle->Allocate();
  46     outputHandle->Allocate();
  47
  48     CopyDataToITensorHandle(inputHandle.get(), &input[0][0][0][0]);
  49
  50     workload->Execute();
  51
  52     CopyDataFromITensorHandle(&ret.output[0][0][0][0], outputHandle.get());
  53
  54     return ret;
  55 }