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

1 files changed, 0 insertions, 30 deletions

diff --git a/src/armnnUtils/FloatingPointConverter.cpp b/src/armnnUtils/FloatingPointConverter.cpp
index 8123cf3577..7a684f1eb0 100644
--- a/src/armnnUtils/FloatingPointConverter.cpp
+++ b/src/armnnUtils/FloatingPointConverter.cpp
@@ -43,34 +43,4 @@ void FloatingPointConverter::ConvertFloat16To32(const void* srcFloat16Buffer,
     }
 }
 
-void FloatingPointConverter::ConvertFloat32ToBFloat16(const float* srcFloat32Buffer,
-                                                      size_t numElements,
-                                                      void* dstBFloat16Buffer)
-{
-    ARMNN_ASSERT(srcFloat32Buffer != nullptr);
-    ARMNN_ASSERT(dstBFloat16Buffer != nullptr);
-
-    armnn::BFloat16* bf16 = static_cast<armnn::BFloat16*>(dstBFloat16Buffer);
-
-    for (size_t i = 0; i < numElements; i++)
-    {
-        bf16[i] = armnn::BFloat16(srcFloat32Buffer[i]);
-    }
-}
-
-void FloatingPointConverter::ConvertBFloat16ToFloat32(const void* srcBFloat16Buffer,
-                                                      size_t numElements,
-                                                      float* dstFloat32Buffer)
-{
-    ARMNN_ASSERT(srcBFloat16Buffer != nullptr);
-    ARMNN_ASSERT(dstFloat32Buffer != nullptr);
-
-    const armnn::BFloat16* bf16 = static_cast<const armnn::BFloat16*>(srcBFloat16Buffer);
-
-    for (size_t i = 0; i < numElements; i++)
-    {
-        dstFloat32Buffer[i] = bf16[i].ToFloat32();
-    }
-}
-
 } //namespace armnnUtils