Adds the following new ops:

alias_inplace_add
alias_inplace_subtract
alias_inplace_update
empty
empty_like
parallel_stack

Some of these ops will be used to speed up the data-loading pipline.
Change: 143502368

1 files changed, 42 insertions, 0 deletions

diff --git a/tensorflow/core/kernels/inplace_ops_functor.h b/tensorflow/core/kernels/inplace_ops_functor.h
new file mode 100644
index 0000000000..6cb15eda91
--- /dev/null
+++ b/tensorflow/core/kernels/inplace_ops_functor.h
@@ -0,0 +1,42 @@
+/* Copyright 2016 The TensorFlow Authors. 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 TENSORFLOW_KERNELS_INPLACE_FUNCTOR_H_
+#define TENSORFLOW_KERNELS_INPLACE_FUNCTOR_H_
+
+#include "tensorflow/core/framework/tensor.h"
+#include "tensorflow/core/lib/core/status.h"
+
+namespace tensorflow {
+namespace functor {
+
+// Inplace update/add/sub values in 'y'. It computes
+//   y[i, :] = v if op is I_UPDATE
+//   y[i, :] += v if op is I_ADD
+//   y[i, :] -= v if op is I_SUB
+enum InplaceOpType {
+  I_UPDATE,  // x = y
+  I_ADD,     // x += y
+  I_SUB,     // x -= y
+};
+
+template <typename Device>
+Status DoInplace(const Device& device, InplaceOpType op, const Tensor& value,
+                 const Tensor& loc, Tensor* output);
+
+}  // end namespace functor
+}  // end namespace tensorflow
+
+#endif  // TENSORFLOW_KERNELS_INPLACE_FUNCTOR_H_