From de36e4a9c299028e792c3a5bd99ad0816d806077 Mon Sep 17 00:00:00 2001 From: Ryan OShea Date: Fri, 13 Mar 2020 16:26:19 +0000 Subject: IVGCVSW-3726 Upload ArmNN Doxygen files * Upload current ArmNN Doxygen files Signed-off-by: Ryan OShea Change-Id: I8989ed16ee40a99a4495b100bd009cf3e24a7285 --- ...ctarmnn_1_1_q_asymm_s8_quantization_scheme.html | 237 +++++++++++++++++++++ 1 file changed, 237 insertions(+) create mode 100644 Documentation/structarmnn_1_1_q_asymm_s8_quantization_scheme.html (limited to 'Documentation/structarmnn_1_1_q_asymm_s8_quantization_scheme.html') diff --git a/Documentation/structarmnn_1_1_q_asymm_s8_quantization_scheme.html b/Documentation/structarmnn_1_1_q_asymm_s8_quantization_scheme.html new file mode 100644 index 0000000000..3f8e8b898b --- /dev/null +++ b/Documentation/structarmnn_1_1_q_asymm_s8_quantization_scheme.html @@ -0,0 +1,237 @@ + + + + + + + +ArmNN: QAsymmS8QuantizationScheme Struct Reference + + + + + + + + + + + + + + +
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+Public Member Functions | +List of all members
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QAsymmS8QuantizationScheme Struct Reference
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#include <NetworkQuantizationScheme.hpp>

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+Inheritance diagram for QAsymmS8QuantizationScheme:
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+ + +IQuantizationScheme + +
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+Public Member Functions

OffsetScalePair ComputeScheme (double min, double max) const override
 
int NumBits () const override
 
DataType GetDataType () const override
 
- Public Member Functions inherited from IQuantizationScheme
virtual ~IQuantizationScheme ()
 
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Detailed Description

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Definition at line 64 of file NetworkQuantizationScheme.hpp.

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Member Function Documentation

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◆ ComputeScheme()

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OffsetScalePair ComputeScheme (double min,
double max 
) const
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Implements IQuantizationScheme.

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Definition at line 66 of file NetworkQuantizationScheme.hpp.

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References IQuantizationScheme::NumBits().

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67  {
68  if (min > max)
69  {
70  throw InvalidArgumentException("min > max will result in invalid quantization.");
71  }
72 
73  double highest = (1 << NumBits()) - 1;
74 
75  min = std::min(0.0, min); // min <= 0.0
76  max = std::max(0.0, max); // max >= 0.0
77 
78  // To avoid dividing by zero when quantizing a zero filled tensor
79  if (min == 0.0 && max == 0.0)
80  {
81  max = 1.0;
82  }
83 
84  // Assumes quantization range [0-255]
85  double scale = (max-min) / highest ;
86  double offset = - min / scale;
87 
88  //Clamp 0 to Highest
89  offset = std::max(0.0, std::min(highest, offset));
90 
91  //-128 on offset to cast to signed range
92  return std::make_pair(static_cast<float>(scale), static_cast<int>(std::round(offset)-128));
93  }
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◆ GetDataType()

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DataType GetDataType () const
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Implements IQuantizationScheme.

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Definition at line 97 of file NetworkQuantizationScheme.hpp.

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References armnn::QAsymmS8.

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97 { return DataType::QAsymmS8; }
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◆ NumBits()

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int NumBits () const
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Implements IQuantizationScheme.

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Definition at line 95 of file NetworkQuantizationScheme.hpp.

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95 { return 8; }
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The documentation for this struct was generated from the following file: +
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