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Diffstat (limited to 'src/backends/reference/workloads/BatchNormImpl.hpp')
-rw-r--r-- | src/backends/reference/workloads/BatchNormImpl.hpp | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/backends/reference/workloads/BatchNormImpl.hpp b/src/backends/reference/workloads/BatchNormImpl.hpp new file mode 100644 index 0000000000..a7579c8373 --- /dev/null +++ b/src/backends/reference/workloads/BatchNormImpl.hpp @@ -0,0 +1,56 @@ +// +// Copyright © 2017 Arm Ltd. All rights reserved. +// SPDX-License-Identifier: MIT +// + +#pragma once + +#include "RefWorkloadUtils.hpp" + +#include <armnn/Tensor.hpp> + +#include <cmath> + +namespace armnn +{ + +template<typename NormData> +static void BatchNormImpl(NormData data, + const float* varIn, + const float* meanIn, + const float* gammaIn, + const float* betaIn, + float * outputData, + const float * inputData) +{ + const TensorInfo& inputInfo0 = GetTensorInfo(data.m_Inputs[0]); + for (unsigned int c = 0; c < inputInfo0.GetShape()[1]; c++) + { + float var = varIn[c]; + float mean = meanIn[c]; + float gamma = gammaIn[c]; + float beta = betaIn[c]; + + float mult = gamma / sqrtf(var + data.m_Parameters.m_Eps); + float add = beta - mult * mean; + + for (unsigned int n = 0; n < inputInfo0.GetShape()[0]; n++) + { + for (unsigned int j = 0; j < inputInfo0.GetShape()[2]; j++) + { + for (unsigned int i = 0; i < inputInfo0.GetShape()[3]; i++) + { + unsigned int index = i + + j*inputInfo0.GetShape()[3] + + c*inputInfo0.GetShape()[3] * inputInfo0.GetShape()[2] + + n*inputInfo0.GetShape()[3] * inputInfo0.GetShape()[2] + * inputInfo0.GetShape()[1]; + + outputData[index] = mult * inputData[index] + add; + } + } + } + } +} + +} //namespace armnn |