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Diffstat (limited to 'src/armnn/optimizations/OptimizeInverseConversions.hpp')
-rw-r--r-- | src/armnn/optimizations/OptimizeInverseConversions.hpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/armnn/optimizations/OptimizeInverseConversions.hpp b/src/armnn/optimizations/OptimizeInverseConversions.hpp new file mode 100644 index 0000000000..5089d63f2f --- /dev/null +++ b/src/armnn/optimizations/OptimizeInverseConversions.hpp @@ -0,0 +1,44 @@ +// +// Copyright © 2017 Arm Ltd. All rights reserved. +// See LICENSE file in the project root for full license information. +// +#pragma once + +#include "Optimization.hpp" + +namespace armnn +{ +namespace optimizations +{ + +class OptimizeInverseConversionsImpl +{ +public: + /// Run for every connection between two inverse data type conversion layers, i.e. + /// Fp16ToFp32 followed by Fp32ToFp16 or vice-versa. + void Run(Graph& graph, InputSlot& connection) const + { + Layer& base = connection.GetConnectedOutputSlot()->GetOwningLayer(); + Layer& child = connection.GetOwningLayer(); + + BOOST_ASSERT((base.GetType() == LayerType::ConvertFp16ToFp32 && + child.GetType() == LayerType::ConvertFp32ToFp16) || + (base.GetType() == LayerType::ConvertFp32ToFp16 && + child.GetType() == LayerType::ConvertFp16ToFp32)); + + // Bypass both conversion layers + child.GetOutputSlot().MoveAllConnections(*base.GetInputSlot(0).GetConnectedOutputSlot()); + } + +protected: + OptimizeInverseConversionsImpl() = default; + ~OptimizeInverseConversionsImpl() = default; +}; + +using OptimizeInverseConversionsFp16 = + OptimizeForConnection<ConvertFp16ToFp32Layer, ConvertFp32ToFp16Layer, OptimizeInverseConversionsImpl>; +using OptimizeInverseConversionsFp32 = + OptimizeForConnection<ConvertFp32ToFp16Layer, ConvertFp16ToFp32Layer, OptimizeInverseConversionsImpl>; + +} // namespace optimizations +} // namespace armnn |