IVGCVSW-2858 Add support for QSymm16 quantization

Change-Id: Ia7c305c30c39ec0e9db447a461479be17fde250c
Signed-off-by: Nattapat Chaimanowong <nattapat.chaimanowong@arm.com>

1 files changed, 18 insertions, 5 deletions

diff --git a/src/armnn/NetworkQuantizer.cpp b/src/armnn/NetworkQuantizer.cpp
index bf5c9ef0f2..f577aea00e 100644
--- a/src/armnn/NetworkQuantizer.cpp
+++ b/src/armnn/NetworkQuantizer.cpp
@@ -24,14 +24,14 @@
 namespace armnn
 {
 
-INetworkQuantizer* INetworkQuantizer::CreateRaw(INetwork* inputNetwork)
+INetworkQuantizer* INetworkQuantizer::CreateRaw(INetwork* inputNetwork, const QuantizerOptions& options)
 {
-    return new NetworkQuantizer(inputNetwork);
+    return new NetworkQuantizer(inputNetwork, options);
 }
 
-INetworkQuantizerPtr INetworkQuantizer::Create(INetwork* inputNetwork)
+INetworkQuantizerPtr INetworkQuantizer::Create(INetwork* inputNetwork, const QuantizerOptions& options)
 {
-    return INetworkQuantizerPtr(CreateRaw(inputNetwork), &INetworkQuantizer::Destroy);
+    return INetworkQuantizerPtr(CreateRaw(inputNetwork, options), &INetworkQuantizer::Destroy);
 }
 
 void INetworkQuantizer::Destroy(INetworkQuantizer *quantizer)
@@ -58,7 +58,20 @@ INetworkPtr NetworkQuantizer::ExportNetwork()
     VisitLayers(graph, rangeVisitor);
 
     // Step 2) Convert input InputNetwork to Quantized InputNetwork
-    QuantizerVisitor quantizerVisitor(m_Ranges);
+    std::unique_ptr<IQuantizationScheme> quantizationScheme;
+    switch (m_Options.m_ActivationFormat)
+    {
+        case DataType::QuantisedAsymm8:
+            quantizationScheme = std::make_unique<QAsymm8QuantizationScheme>();
+            break;
+        case DataType::QuantisedSymm16:
+            quantizationScheme = std::make_unique<QSymm16QuantizationScheme>();
+            break;
+        default:
+            throw InvalidArgumentException("Unsupported quantization target");
+    }
+
+    QuantizerVisitor quantizerVisitor(m_Ranges, quantizationScheme.get());
     VisitLayers(graph, quantizerVisitor);
 
     return quantizerVisitor.RetrieveFinalNetwork();