[moco/tf] Remove unused Canonicalization files (#4191)

This will remove unused Canonicalization files that are replaced by the files in Canonicalization folder

Signed-off-by: SaeHie Park <saehie.park@samsung.com>

diff --git a/contrib/moco-tf/src/Transforms/Canonicalization.cpp b/contrib/moco-tf/src/Transforms/Canonicalization.cpp
deleted file mode 100644 (file)
index ad187c4..0000000
--- a/contrib/moco-tf/src/Transforms/Canonicalization.cpp
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- * 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 "Canonicalization.h"
-
-#include "Knob.h"
-
-#include "Dialect/TFDialect.h"
-#include "Dialect/TFNodes.h"
-#include "Dialect/TFNodeVisitor.h"
-#include "Dialect/TFNodeImpl.h"
-
-#include <moco/tf/Names.h>
-#include <moco/Log.h>
-
-namespace moco
-{
-namespace tf
-{
-
-class TFNodeCanonicalize final : public TFNodeMutableVisitor<bool>
-{
-public:
-  TFNodeCanonicalize(loco::Graph *graph) : _graph(graph){};
-
-public:
-  bool visit(TFBiasAdd *node);
-
-private:
-  loco::Graph *_graph;
-};
-
-bool TFNodeCanonicalize::visit(TFBiasAdd *node)
-{
-  if (!moco::tf::get<moco::tf::Knob::CanonicalizeBiasAdd>())
-    return false;
-
-  LOGGER(l);
-
-  /**
-   * @note This will replace TFBiasAdd node with Canonical BiasEncode + TensorBiasAdd
-   *
-   *       Before
-   *                 A -- TFBiasAdd - C
-   *                 B -/
-   *
-   *       After
-   *                    - TFBiasAdd -
-   *                 A --------------- TensorBiasAdd - C
-   *                 B - BiasEncode -/
-   *
-   *       Where
-   *                 A : value of TFBiasAdd
-   *                 B : bias of TFBiasAdd
-   *                 C : a node that uses TFBiasAdd as an input
-   *                 TFBiasAdd is disconnected from other nodes
-   */
-
-  INFO(l) << "TFNodeCanonicalize TFBiasAdd begin";
-
-  // tensorflow data_format: one of NHWC or NCHW.
-  auto data_layout = as_DataLayout(node->data_layout());
-
-  // creating loco nodes
-  auto bias_enc = _graph->nodes()->create<loco::BiasEncode>();
-
-  auto bias_add = _graph->nodes()->create<loco::TensorBiasAdd>();
-  {
-    if (data_layout == DataLayout::NHWC)
-    {
-      INFO(l) << "TFNodeCanonicalize TFBiasAdd axis 3";
-      bias_add->axis(3);
-    }
-    else if (data_layout == DataLayout::NCHW)
-    {
-      INFO(l) << "TFNodeCanonicalize TFBiasAdd axis 1";
-      bias_add->axis(1); // Channel
-      // Note: the following descrition of TF 1.13 at
-      // https://www.tensorflow.org/api_docs/python/tf/nn/bias_add seems wrong:
-      // "bias: A 1-D Tensor with size matching the last dimension of value."
-      // because providing the size of W (last dimension) to bias throws an error with TensorFlow
-    }
-  }
-
-  auto node_A = node->value();
-  auto node_B = node->bias();
-
-  // update connections
-  bias_add->value(node_A);
-  bias_add->bias(bias_enc);
-  bias_enc->input(node_B);
-
-  // replace old with new : about C in above note
-  replace(node).with(bias_add);
-  node->value(nullptr);
-  node->bias(nullptr);
-
-  INFO(l) << "TFNodeCanonicalize TFBiasAdd done";
-
-  return true;
-}
-
-bool Canonicalization::run(loco::Graph *graph)
-{
-  auto active_nodes = loco::active_nodes(loco::output_nodes(graph));
-  bool changed = false;
-
-  for (auto node : active_nodes)
-  {
-    if (node->dialect() == TFDialect::get())
-    {
-      auto tf_node = dynamic_cast<moco::tf::TFNode *>(node);
-      assert(tf_node != nullptr);
-      TFNodeCanonicalize canonicalize(graph);
-      if (tf_node->accept(&canonicalize))
-        changed = true;
-    }
-  }
-
-  return changed;
-}
-
-} // namespace tf
-} // namespace moco

diff --git a/contrib/moco-tf/src/Transforms/Canonicalization.h b/contrib/moco-tf/src/Transforms/Canonicalization.h
deleted file mode 100644 (file)
index 1f8e63c..0000000
--- a/contrib/moco-tf/src/Transforms/Canonicalization.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * 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.
- */
-
-#ifndef __MOCO_TF_CANONICALIZATION_H__
-#define __MOCO_TF_CANONICALIZATION_H__
-
-#include "Transform.h"
-
-#include <loco.h>
-
-namespace moco
-{
-namespace tf
-{
-
-/**
- * @brief  Convert to Canonical dialect
- */
-class Canonicalization : public Transform
-{
-public:
-  const char *name(void) const final { return "Canonicalization"; }
-
-public:
-  bool run(loco::Graph *graph) override;
-};
-
-} // namespace tf
-} // namespace moco
-
-#endif // __MOCO_TF_CANONICALIZATION_H__