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author | Jim Flynn <jim.flynn@arm.com> | 2020-03-19 17:03:14 +0000 |
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committer | Jim Flynn <jim.flynn@arm.com> | 2020-03-19 17:03:14 +0000 |
commit | 0e2bab81442ee6cc2b94e4f7881ed0c5c6af65e7 (patch) | |
tree | b0af08b5a0b74149fca422151127ac6310385399 /src/armnnUtils/Permute.cpp | |
parent | 8c3259fa007d43fcc5ea56fe6928526dbe79f3c0 (diff) | |
download | armnn-0e2bab81442ee6cc2b94e4f7881ed0c5c6af65e7.tar.gz |
Creating gh-pages documentation for ArmNN
Signed-off-by: Jim Flynn <jim.flynn@arm.com>
Diffstat (limited to 'src/armnnUtils/Permute.cpp')
-rw-r--r-- | src/armnnUtils/Permute.cpp | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/src/armnnUtils/Permute.cpp b/src/armnnUtils/Permute.cpp deleted file mode 100644 index a758bd9fbf..0000000000 --- a/src/armnnUtils/Permute.cpp +++ /dev/null @@ -1,127 +0,0 @@ -// -// Copyright © 2017 Arm Ltd. All rights reserved. -// SPDX-License-Identifier: MIT -// - -#include <armnn/Tensor.hpp> - -#include <armnnUtils/Permute.hpp> - -#include "Half.hpp" - -#include <cassert> -#include <cstring> - -namespace -{ - -class PermuteLoop -{ -public: - using size_type = unsigned int; - - PermuteLoop(const armnn::TensorShape& dstShape, const armnn::PermutationVector& mappings) - : m_DstShape(dstShape) - { - assert(dstShape.GetNumDimensions() == mappings.GetSize()); - - const size_type numDims = dstShape.GetNumDimensions(); - - size_type srcStride = 1U; - size_type dstStride = 1U; - - for (size_type i = numDims - 1U, k = 0U; k < numDims; ++k, --i) - { - m_SrcStrides[mappings[i]] = srcStride; - m_DstStrides[i] = dstStride; - - srcStride *= dstShape[mappings[i]]; - dstStride *= dstShape[i]; - } - } - - void Unroll(const void* srcData, void* dstData, size_t dataTypeSize) - { - assert(srcData); - assert(dstData); - assert(dataTypeSize > 0); - - const unsigned char* srcDataPtr = reinterpret_cast<const unsigned char*>(srcData); - unsigned char* dstDataPtr = reinterpret_cast<unsigned char*>(dstData); - - const unsigned char* const srcEndPtr = srcDataPtr + m_DstShape.GetNumElements() * dataTypeSize; - unsigned char* const dstEndPtr = dstDataPtr + m_DstShape.GetNumElements() * dataTypeSize; - - Unroll(0, srcDataPtr, dstDataPtr, srcEndPtr, dstEndPtr, dataTypeSize); - } - -private: - void Unroll(size_type dimension, - const unsigned char* srcData, unsigned char* dstData, - const unsigned char* srcEnd, unsigned char* dstEnd, - size_t dataTypeSize) - { - assert(srcData); - assert(dstData); - assert(srcEnd); - assert(dstEnd); - assert(srcData < srcEnd); - assert(dstData < dstEnd); - assert(dataTypeSize > 0); - - if (dimension >= m_DstShape.GetNumDimensions()) - { - ::memcpy(dstData, srcData, dataTypeSize); - } - else - { - for (size_type i = 0; i < m_DstShape[dimension]; i++) - { - Unroll(dimension + 1, srcData, dstData, srcEnd, dstEnd, dataTypeSize); - - srcData += m_SrcStrides[dimension] * dataTypeSize; - dstData += m_DstStrides[dimension] * dataTypeSize; - } - } - } - - armnn::TensorShape m_DstShape; - std::array<size_type, armnn::MaxNumOfTensorDimensions> m_SrcStrides; - std::array<size_type, armnn::MaxNumOfTensorDimensions> m_DstStrides; -}; - -} // namespace - -namespace armnnUtils -{ - -armnn::TensorShape Permuted(const armnn::TensorShape& srcShape, const armnn::PermutationVector& mappings) -{ - assert(srcShape.GetNumDimensions() == mappings.GetSize()); - - const unsigned int numDims = mappings.GetSize(); - unsigned int outDims[armnn::MaxNumOfTensorDimensions]; - - for (unsigned int i = 0U; i < numDims; ++i) - { - outDims[mappings[i]] = srcShape[i]; - } - - armnn::TensorShape permutedShape(numDims, outDims); - return permutedShape; -} - -armnn::TensorInfo Permuted(const armnn::TensorInfo& info, const armnn::PermutationVector& mappings) -{ - armnn::TensorInfo outInfo(info); - outInfo.SetShape(Permuted(info.GetShape(), mappings)); - return outInfo; -} - -void Permute(const armnn::TensorShape& dstShape, const armnn::PermutationVector& mappings, - const void* src, void* dst, size_t dataTypeSize) -{ - PermuteLoop(dstShape, mappings).Unroll(src, dst, dataTypeSize); -} - -} // namespace armnnUtils |