1 files changed, 63 insertions, 0 deletions
diff --git a/runtimes/neurun/backend/acl_common/IACLTensor.cc b/runtimes/neurun/backend/acl_common/IACLTensor.cc
new file mode 100644
index 000000000..89972e267
--- /dev/null
+++ b/runtimes/neurun/backend/acl_common/IACLTensor.cc
@@ -0,0 +1,63 @@
+/*
+ * 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 "IACLTensor.h"
+#include "Convert.h"
+#include "Swizzle.h"
+
+namespace neurun
+{
+namespace backend
+{
+namespace acl_common
+{
+
+size_t IACLTensor::num_dimensions() const
+{
+  throw std::runtime_error("No definition of num_dimensions()");
+  return 0;
+}
+
+size_t IACLTensor::dimension(size_t index) const
+{
+  // Assume that the front is higher dimensional.
+  // i.g. N: 0, C: 1, H: 2, W: 3 for NCHW layout
+  // NOTE This tensor must not be applied dim correction
+  assert(num_dimensions() > index);
+  const ARMComputeAxis reversed{(static_cast<uint32_t>(num_dimensions() - index) - 1)};
+  return info()->dimension(reversed.value());
+}
+
+size_t IACLTensor::calcOffset(const neurun::util::Coordinates &coords) const
+{
+  const auto rank = coords.size();
+  ::arm_compute::Coordinates acl_coords;
+  for (size_t i = 0; i < rank; ++i)
+  {
+    acl_coords.set(acl_common::ToARMComputeAxis(rank, i).value(), coords[i]);
+  }
+
+  return info()->offset_element_in_bytes(acl_coords);
+}
+
+model::Layout IACLTensor::layout() const
+{
+  return acl_common::asRuntimeLayout(info()->data_layout());
+}
+
+} // namespace acl_common
+} // namespace backend
+} // namespace neurun