1 files changed, 79 insertions, 0 deletions
diff --git a/runtime/neurun/backend/cpu/kernel/GatherLayer.cc b/runtime/neurun/backend/cpu/kernel/GatherLayer.cc
new file mode 100644
index 000000000..b29acba79
--- /dev/null
+++ b/runtime/neurun/backend/cpu/kernel/GatherLayer.cc
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "GatherLayer.h"
+
+#include <cker/operation/Gather.h>
+
+#include "OperationUtils.h"
+
+namespace neurun
+{
+namespace backend
+{
+namespace cpu
+{
+namespace kernel
+{
+
+void GatherLayer::configure(uint8_t *inputData, const TensorDescriptor &inputDescr,
+                            uint8_t *indicesData, const TensorDescriptor &indicesDescr,
+                            uint8_t *outputData, const TensorDescriptor &outputDescr, int32_t axis)
+{
+  _inputData.u8 = inputData;
+  _inputDescr = inputDescr;
+  _indicesData.u8 = indicesData;
+  _indicesDescr = indicesDescr;
+  _axis = axis;
+  _inputType = inputDescr.type;
+  _outputData.u8 = outputData;
+  _outputDescr = outputDescr;
+}
+
+void GatherLayer::run()
+{
+  nnfw::cker::GatherParams op_params;
+  op_params.axis = _axis;
+
+  switch (_inputType)
+  {
+    case OperandType::FLOAT32:
+      nnfw::cker::Gather<float>(op_params, convertTensorDescriptorToCkerShape(_inputDescr),
+                                _inputData.f, convertTensorDescriptorToCkerShape(_indicesDescr),
+                                _indicesData.i32, convertTensorDescriptorToCkerShape(_outputDescr),
+                                _outputData.f);
+      break;
+    case OperandType::QUANT8_ASYMM:
+      nnfw::cker::Gather<uint8_t>(op_params, convertTensorDescriptorToCkerShape(_inputDescr),
+                                  _inputData.u8, convertTensorDescriptorToCkerShape(_indicesDescr),
+                                  _indicesData.i32,
+                                  convertTensorDescriptorToCkerShape(_outputDescr), _outputData.u8);
+      break;
+    case OperandType::INT32:
+      nnfw::cker::Gather<int32_t>(
+          op_params, convertTensorDescriptorToCkerShape(_inputDescr), _inputData.i32,
+          convertTensorDescriptorToCkerShape(_indicesDescr), _indicesData.i32,
+          convertTensorDescriptorToCkerShape(_outputDescr), _outputData.i32);
+      break;
+    default:
+      throw std::runtime_error("Gather NYI for this operand type!");
+  }
+}
+
+} // namespace kernel
+} // namespace cpu
+} // namespace backend
+} // namespace neurun