From 31441595009182c985dacbedc70c41ee6664d070 Mon Sep 17 00:00:00 2001
From: Ryan OShea <ryan.oshea3@arm.com>
Date: Mon, 7 Nov 2022 16:20:48 +0000
Subject: IVGCVSW-7214 Disable BF16-Turbo-Mode and remove conversion layers

 - Remove Bf16ToFp32 Conversion Layer
 - Remove Fp32ToBf16 Conversion Layer
 - Remove B16 Conversion tests
 * Throw exception if m_ReduceFp32ToBf16 optimzer option is set to true
 * Provide comments to enable fast math in order to use bf16
 * Update docs to inform users to enable fast math for bf16

 Execute Network Changes
 * Require bf16_turbo_mode to also have fast_math_enabled set to true
 - Remove setting m_ReduceFp32ToBf16 optimizer option

Signed-off-by: Ryan OShea <ryan.oshea3@arm.com>
Change-Id: Ibaa6da9d29c96a1ce32ff5196b0847fde9f04a1c
---
 src/armnn/layers/ConvertFp32ToBf16Layer.cpp | 56 -----------------------------
 1 file changed, 56 deletions(-)
 delete mode 100644 src/armnn/layers/ConvertFp32ToBf16Layer.cpp

(limited to 'src/armnn/layers/ConvertFp32ToBf16Layer.cpp')

diff --git a/src/armnn/layers/ConvertFp32ToBf16Layer.cpp b/src/armnn/layers/ConvertFp32ToBf16Layer.cpp
deleted file mode 100644
index 7c98eea239..0000000000
--- a/src/armnn/layers/ConvertFp32ToBf16Layer.cpp
+++ /dev/null
@@ -1,56 +0,0 @@
-//
-// Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
-// SPDX-License-Identifier: MIT
-//
-
-#include "ConvertFp32ToBf16Layer.hpp"
-#include "LayerCloneBase.hpp"
-
-#include <armnn/TypesUtils.hpp>
-
-#include <armnn/backends/WorkloadData.hpp>
-#include <armnn/backends/WorkloadFactory.hpp>
-
-namespace armnn
-{
-
-ConvertFp32ToBf16Layer::ConvertFp32ToBf16Layer(const char* name)
-    : Layer(1, 1, LayerType::ConvertFp32ToBf16, name)
-{
-}
-
-std::unique_ptr<IWorkload> ConvertFp32ToBf16Layer::CreateWorkload(const IWorkloadFactory& factory) const
-{
-    ConvertFp32ToBf16QueueDescriptor descriptor;
-    SetAdditionalInfo(descriptor);
-
-    return factory.CreateWorkload(LayerType::ConvertFp32ToBf16, descriptor, PrepInfoAndDesc(descriptor));
-}
-
-ConvertFp32ToBf16Layer* ConvertFp32ToBf16Layer::Clone(Graph& graph) const
-{
-    return CloneBase<ConvertFp32ToBf16Layer>(graph, GetName());
-}
-
-void ConvertFp32ToBf16Layer::ValidateTensorShapesFromInputs()
-{
-
-    VerifyLayerConnections(1, CHECK_LOCATION());
-
-    const TensorShape& outputShape = GetOutputSlot(0).GetTensorInfo().GetShape();
-
-    VerifyShapeInferenceType(outputShape, m_ShapeInferenceMethod);
-
-    auto inferredShapes = InferOutputShapes({ GetInputSlot(0).GetConnection()->GetTensorInfo().GetShape() });
-
-    ARMNN_ASSERT(inferredShapes.size() == 1);
-
-    ValidateAndCopyShape(outputShape, inferredShapes[0], m_ShapeInferenceMethod, "LayerName");
-}
-
-void ConvertFp32ToBf16Layer::ExecuteStrategy(IStrategy& strategy) const
-{
-    strategy.ExecuteStrategy(this, GetParameters(), {}, GetName());
-}
-
-} // namespace armnn
-- 
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