IVGCVSW-8229 & IVGCVSW-8237 ScatterNd: Front end and reference implementation
(scatter_nd, scatter_nd_add, and scatter_nd_update, scatter_nd_sub, scatter_nd_min, scatter_nd_max, scatter_nd_mul)
* Front end support for ScatterNd added.
* Reference implementation for ScatterNd added.
* Unit tests added.
Signed-off-by: Tianle Cheng <tianle.cheng@arm.com>
Change-Id: I30da9056d9b03ca9b5fb8d09987341128badbcf4
diff --git a/src/backends/reference/RefLayerSupport.cpp b/src/backends/reference/RefLayerSupport.cpp
index f97d03a..654aeb5 100644
--- a/src/backends/reference/RefLayerSupport.cpp
+++ b/src/backends/reference/RefLayerSupport.cpp
@@ -356,6 +356,13 @@
infos[1],
*(PolymorphicDowncast<const ReduceDescriptor*>(&descriptor)),
reasonIfUnsupported);
+ case LayerType::ScatterNd:
+ return IsScatterNdSupported(infos[0],
+ infos[1],
+ infos[2],
+ infos[3],
+ *(PolymorphicDowncast<const ScatterNdDescriptor*>(&descriptor)),
+ reasonIfUnsupported);
case LayerType::Slice:
return IsSliceSupported(infos[0],
infos[1],
@@ -2442,6 +2449,64 @@
return supported;
}
+bool RefLayerSupport::IsScatterNdSupported(const TensorInfo& input,
+ const TensorInfo& indices,
+ const TensorInfo& updates,
+ const TensorInfo& output,
+ const ScatterNdDescriptor& descriptor,
+ Optional<std::string&> reasonIfUnsupported) const
+{
+ IgnoreUnused(descriptor);
+
+ bool supported = true;
+
+ std::array<DataType, 7> supportedTypes
+ {
+ DataType::Float32,
+ DataType::Float16,
+ DataType::QAsymmS8,
+ DataType::QAsymmU8,
+ DataType::QSymmS8,
+ DataType::QSymmS16,
+ DataType::Signed32
+ };
+
+ std::array<DataType, 1> indicesSupportedTypes =
+ {
+ DataType::Signed32
+ };
+
+ supported &= CheckSupportRule(TypeAnyOf(indices, indicesSupportedTypes), reasonIfUnsupported,
+ "ScatterNd: indices type not supported.");
+
+ supported &= CheckSupportRule(TypeAnyOf(updates, supportedTypes), reasonIfUnsupported,
+ "ScatterNd: updates type not supported.");
+
+ supported &= CheckSupportRule(TypeAnyOf(output, supportedTypes), reasonIfUnsupported,
+ "ScatterNd: output type not supported");
+
+ supported &= CheckSupportRule(TypesAreEqual(updates, output), reasonIfUnsupported,
+ "ScatterNd: input and updates types are mismatched");
+
+ if (descriptor.m_InputEnabled)
+ {
+ // If the input slot is enabled, we have the input tensor in this slot
+ supported &= CheckSupportRule(TypeAnyOf(input, supportedTypes), reasonIfUnsupported,
+ "ScatterNd: input type not supported.");
+
+ supported &= CheckSupportRule(TypesAreEqual(input, output), reasonIfUnsupported,
+ "ScatterNd: input and output types are mismatched");
+ }
+ else
+ {
+ // If the input slot is not enabled, we have the shape tensor in this slot
+ supported &= CheckSupportRule(TypeAnyOf(input, indicesSupportedTypes), reasonIfUnsupported,
+ "ScatterNd: shape type not supported.");
+ }
+
+ return supported;
+}
+
bool RefLayerSupport::IsShapeSupported(const TensorInfo& input,
const TensorInfo& output,
Optional<std::string&> reasonIfUnsupported) const