COMPMID-797: Switch to new graph.
- Cleaned up build system
Change-Id: If2faa27ee5b31fa8b972836960ab3ef671059c8d
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/126435
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
diff --git a/arm_compute/graph/backends/BackendRegistrar.h b/arm_compute/graph/backends/BackendRegistrar.h
new file mode 100644
index 0000000..f7f2f7f
--- /dev/null
+++ b/arm_compute/graph/backends/BackendRegistrar.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef ARM_COMPUTE_GRAPH_BACKEND_REGISTRAR_H__
+#define ARM_COMPUTE_GRAPH_BACKEND_REGISTRAR_H__
+
+#include "arm_compute/graph/Types.h"
+#include "arm_compute/graph/backends/BackendRegistry.h"
+
+#include <utility>
+
+namespace arm_compute
+{
+namespace graph
+{
+namespace backends
+{
+namespace detail
+{
+/** Helper class to statically register a backend */
+template <typename T>
+class BackendRegistrar final
+{
+public:
+ /** Add a new backend to the backend registry
+ *
+ * @param[in] target Execution target
+ */
+ BackendRegistrar(Target target);
+};
+
+template <typename T>
+inline BackendRegistrar<T>::BackendRegistrar(Target target)
+{
+ BackendRegistry::get().add_backend<T>(target);
+}
+} // namespace detail
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_GRAPH_BACKEND_REGISTRAR_H__ */
\ No newline at end of file
diff --git a/arm_compute/graph/backends/BackendRegistry.h b/arm_compute/graph/backends/BackendRegistry.h
new file mode 100644
index 0000000..69114ed
--- /dev/null
+++ b/arm_compute/graph/backends/BackendRegistry.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_BACKEND_REGISTRY_H__
+#define __ARM_COMPUTE_GRAPH_BACKEND_REGISTRY_H__
+
+#include "arm_compute/graph/IDeviceBackend.h"
+#include "arm_compute/graph/Types.h"
+#include "support/ToolchainSupport.h"
+
+#include <map>
+#include <memory>
+
+namespace arm_compute
+{
+namespace graph
+{
+namespace backends
+{
+/** Registry holding all the supported backends */
+class BackendRegistry final
+{
+public:
+ /** Gets backend registry instance
+ *
+ * @return Backend registry instance
+ */
+ static BackendRegistry &get();
+ /** Finds a backend in the registry
+ *
+ * @param[in] target Backend target
+ *
+ * @return Pointer to the backend interface if found, else nullptr
+ */
+ IDeviceBackend *find_backend(Target target);
+ /** Checks if a backend for a given target exists
+ *
+ * @param[in] target Execution target
+ *
+ * @return True if exists else false
+ */
+ bool contains(Target target) const;
+ /** Backends accessor
+ *
+ * @return Map containing the registered backends
+ */
+ const std::map<Target, std::unique_ptr<IDeviceBackend>> &backends() const;
+ /** Registers a backend to the registry
+ *
+ * @param[in] target Execution target to register for
+ */
+ template <typename T>
+ void add_backend(Target target);
+
+private:
+ /** Default Constructor */
+ BackendRegistry();
+
+private:
+ std::map<Target, std::unique_ptr<IDeviceBackend>> _registered_backends;
+};
+
+template <typename T>
+inline void BackendRegistry::add_backend(Target target)
+{
+ _registered_backends[target] = support::cpp14::make_unique<T>();
+}
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_GRAPH_BACKEND_REGISTRY_H__ */
diff --git a/arm_compute/graph/backends/CL/CLDeviceBackend.h b/arm_compute/graph/backends/CL/CLDeviceBackend.h
new file mode 100644
index 0000000..5adbe0e
--- /dev/null
+++ b/arm_compute/graph/backends/CL/CLDeviceBackend.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_CLDEVICEBACKEND_H__
+#define __ARM_COMPUTE_GRAPH_CLDEVICEBACKEND_H__
+
+#include "arm_compute/graph/IDeviceBackend.h"
+
+#include "arm_compute/runtime/CL/CLBufferAllocator.h"
+#include "arm_compute/runtime/CL/CLTuner.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+namespace backends
+{
+/** OpenCL device backend */
+class CLDeviceBackend final : public IDeviceBackend
+{
+public:
+ /** Default Constructor */
+ CLDeviceBackend();
+ /** Destructor */
+ ~CLDeviceBackend();
+ /** Switchs on or off the kernel tuning
+ *
+ * @note When true the tuner set is used, if no tuner is set a new default one is created
+ *
+ * @param[in] enable_tuning Enables tuning if false else true
+ */
+ void set_kernel_tuning(bool enable_tuning);
+
+ // Inherited overridden methods
+ void initialize_backend() override;
+ void setup_backend_context(GraphContext &ctx) override;
+ bool is_backend_supported() override;
+ std::unique_ptr<ITensorHandle> create_tensor(const Tensor &tensor) override;
+ std::unique_ptr<ITensorHandle> create_subtensor(ITensorHandle *parent, TensorShape shape, Coordinates coords, bool extend_parent) override;
+ std::unique_ptr<arm_compute::IFunction> configure_node(INode &node, GraphContext &ctx) override;
+ Status validate_node(INode &node) override;
+ std::shared_ptr<arm_compute::IMemoryManager> create_memory_manager(MemoryManagerAffinity affinity) override;
+
+private:
+ CLTuner _tuner; /**< CL kernel tuner */
+ CLBufferAllocator _allocator; /**< CL buffer affinity allocator */
+};
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+#endif //__ARM_COMPUTE_GRAPH_CLDEVICEBACKEND_H__
diff --git a/arm_compute/graph/backends/CL/CLFunctionFactory.h b/arm_compute/graph/backends/CL/CLFunctionFactory.h
new file mode 100644
index 0000000..6caca54
--- /dev/null
+++ b/arm_compute/graph/backends/CL/CLFunctionFactory.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_CLFUNCTIONFACTORY_H__
+#define __ARM_COMPUTE_GRAPH_CLFUNCTIONFACTORY_H__
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include <memory>
+
+namespace arm_compute
+{
+namespace graph
+{
+// Forward declarations
+class INode;
+class GraphContext;
+
+namespace backends
+{
+/** Factory for generating OpenCL backend functions **/
+class CLFunctionFactory final
+{
+public:
+ /** Create a backend execution function depending on the node type
+ *
+ * @param[in] node Node to create the backend function for
+ * @param[in] ctx Context to use
+ *
+ * @return Backend function
+ */
+ static std::unique_ptr<arm_compute::IFunction> create(INode *node, GraphContext &ctx);
+};
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+#endif //__ARM_COMPUTE_GRAPH_CLFUNCTIONFACTORY_H__
diff --git a/arm_compute/graph/backends/CL/CLNodeValidator.h b/arm_compute/graph/backends/CL/CLNodeValidator.h
new file mode 100644
index 0000000..9bd4842
--- /dev/null
+++ b/arm_compute/graph/backends/CL/CLNodeValidator.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_CLNODEVALIDATOR_H__
+#define __ARM_COMPUTE_GRAPH_CLNODEVALIDATOR_H__
+
+#include "arm_compute/core/Error.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+// Forward declarations
+class INode;
+
+namespace backends
+{
+class CLNodeValidator final
+{
+public:
+ /** Validate a node
+ *
+ * @param[in] node Node to validate
+ *
+ * @return An error status
+ */
+ static Status validate(INode *node);
+};
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+#endif //__ARM_COMPUTE_GRAPH_CLNODEVALIDATOR_H__
diff --git a/arm_compute/graph/backends/CL/CLSubTensorHandle.h b/arm_compute/graph/backends/CL/CLSubTensorHandle.h
new file mode 100644
index 0000000..4be5842
--- /dev/null
+++ b/arm_compute/graph/backends/CL/CLSubTensorHandle.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_CLSUBTENSORHANDLE_H__
+#define __ARM_COMPUTE_GRAPH_CLSUBTENSORHANDLE_H__
+
+#include "arm_compute/graph/ITensorHandle.h"
+
+#include "arm_compute/runtime/CL/CLSubTensor.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+namespace backends
+{
+/** OpenCL Sub-Tensor handle interface object **/
+class CLSubTensorHandle final : public ITensorHandle
+{
+public:
+ /** Default constructor
+ *
+ * @param[in] parent_handle Parent tensor handle
+ * @param[in] shape Sub-Tensor shape
+ * @param[in] coords Starting coordinates
+ * @param[in] extend_parent Extends parent shape if true
+ */
+ CLSubTensorHandle(ITensorHandle *parent_handle, const TensorShape &shape, const Coordinates &coords, bool extend_parent = false);
+ /** Destructor: free the tensor's memory */
+ ~CLSubTensorHandle() = default;
+ /** Allow instances of this class to be move constructed */
+ CLSubTensorHandle(CLSubTensorHandle &&) = default;
+ /** Allow instances of this class to be moved */
+ CLSubTensorHandle &operator=(CLSubTensorHandle &&) = default;
+
+ // Inherited overridden methods
+ void allocate() override;
+ arm_compute::ITensor &tensor() override;
+ const arm_compute::ITensor &tensor() const override;
+ void map(bool blocking) override;
+ void unmap() override;
+ void release_if_unused() override;
+ bool is_subtensor() const override;
+
+private:
+ arm_compute::CLSubTensor _sub_tensor; /**< Backend Sub-Tensor */
+};
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_GRAPH_CLSUBTENSORHANDLE_H__ */
diff --git a/arm_compute/graph/backends/CL/CLTensorHandle.h b/arm_compute/graph/backends/CL/CLTensorHandle.h
new file mode 100644
index 0000000..8f5a70c
--- /dev/null
+++ b/arm_compute/graph/backends/CL/CLTensorHandle.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_CLTENSORHANDLE_H__
+#define __ARM_COMPUTE_GRAPH_CLTENSORHANDLE_H__
+
+#include "arm_compute/graph/ITensorHandle.h"
+
+#include "arm_compute/runtime/CL/CLTensor.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+namespace backends
+{
+/** OpenCL Tensor handle interface object **/
+class CLTensorHandle final : public ITensorHandle
+{
+public:
+ /** Default Constructor
+ *
+ * @param[in] info Tensor metadata
+ */
+ CLTensorHandle(const ITensorInfo &info);
+ /** Destructor: free the tensor's memory */
+ ~CLTensorHandle() = default;
+ /** Allow instances of this class to be move constructed */
+ CLTensorHandle(CLTensorHandle &&) = default;
+ /** Allow instances of this class to be moved */
+ CLTensorHandle &operator=(CLTensorHandle &&) = default;
+
+ // Inherited overridden methods
+ void allocate() override;
+ arm_compute::ITensor &tensor() override;
+ const arm_compute::ITensor &tensor() const override;
+ void map(bool blocking) override;
+ void unmap() override;
+ void release_if_unused() override;
+ bool is_subtensor() const override;
+
+private:
+ arm_compute::CLTensor _tensor; /**< Backend Tensor */
+};
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_GRAPH_CLTENSORHANDLE_H__ */
diff --git a/arm_compute/graph/backends/GLES/GCDeviceBackend.h b/arm_compute/graph/backends/GLES/GCDeviceBackend.h
new file mode 100644
index 0000000..be81a8f
--- /dev/null
+++ b/arm_compute/graph/backends/GLES/GCDeviceBackend.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_GCDEVICEBACKEND_H__
+#define __ARM_COMPUTE_GRAPH_GCDEVICEBACKEND_H__
+
+#include "arm_compute/graph/IDeviceBackend.h"
+
+#include "arm_compute/runtime/GLES_COMPUTE/GCBufferAllocator.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+namespace backends
+{
+/** GLES Compute device backend */
+class GCDeviceBackend final : public IDeviceBackend
+{
+public:
+ /** Default Constructor */
+ GCDeviceBackend();
+
+ // Inherited overridden methods
+ void initialize_backend() override;
+ void setup_backend_context(GraphContext &ctx) override;
+ bool is_backend_supported() override;
+ std::unique_ptr<ITensorHandle> create_tensor(const Tensor &tensor) override;
+ std::unique_ptr<ITensorHandle> create_subtensor(ITensorHandle *parent, TensorShape shape, Coordinates coords, bool extend_parent) override;
+ std::unique_ptr<arm_compute::IFunction> configure_node(INode &node, GraphContext &ctx) override;
+ Status validate_node(INode &node) override;
+ std::shared_ptr<arm_compute::IMemoryManager> create_memory_manager(MemoryManagerAffinity affinity) override;
+
+private:
+ GCBufferAllocator _allocator; /**< GLES buffer affinity allocator */
+};
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+#endif //__ARM_COMPUTE_GRAPH_GCDEVICEBACKEND_H__
diff --git a/arm_compute/graph/backends/GLES/GCFunctionFactory.h b/arm_compute/graph/backends/GLES/GCFunctionFactory.h
new file mode 100644
index 0000000..c819c03
--- /dev/null
+++ b/arm_compute/graph/backends/GLES/GCFunctionFactory.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_GCFUNCTIONFACTORY_H__
+#define __ARM_COMPUTE_GRAPH_GCFUNCTIONFACTORY_H__
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include <memory>
+
+namespace arm_compute
+{
+namespace graph
+{
+// Forward declarations
+class INode;
+class GraphContext;
+
+namespace backends
+{
+/** Factory for generating GLES compute backend functions **/
+class GCFunctionFactory final
+{
+public:
+ /** Create a backend execution function depending on the node type
+ *
+ * @param[in] node Node to create the backend function for
+ * @param[in] ctx Context to use
+ *
+ * @return Backend function
+ */
+ static std::unique_ptr<arm_compute::IFunction> create(INode *node, GraphContext &ctx);
+};
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+#endif //__ARM_COMPUTE_GRAPH_GCFUNCTIONFACTORY_H__
diff --git a/arm_compute/graph/backends/GLES/GCNodeValidator.h b/arm_compute/graph/backends/GLES/GCNodeValidator.h
new file mode 100644
index 0000000..6fdfbdd
--- /dev/null
+++ b/arm_compute/graph/backends/GLES/GCNodeValidator.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_GCNODEVALIDATOR_H__
+#define __ARM_COMPUTE_GRAPH_GCNODEVALIDATOR_H__
+
+#include "arm_compute/core/Error.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+// Forward declarations
+class INode;
+
+namespace backends
+{
+class GCNodeValidator final
+{
+public:
+ /** Validate a node
+ *
+ * @param[in] node Node to validate
+ *
+ * @return An error status
+ */
+ static Status validate(INode *node);
+};
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+#endif //__ARM_COMPUTE_GRAPH_GCNODEVALIDATOR_H__
diff --git a/arm_compute/graph/backends/GLES/GCTensorHandle.h b/arm_compute/graph/backends/GLES/GCTensorHandle.h
new file mode 100644
index 0000000..774268f
--- /dev/null
+++ b/arm_compute/graph/backends/GLES/GCTensorHandle.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_GCTENSORHANDLE_H__
+#define __ARM_COMPUTE_GRAPH_GCTENSORHANDLE_H__
+
+#include "arm_compute/graph/ITensorHandle.h"
+
+#include "arm_compute/runtime/GLES_COMPUTE/GCTensor.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+namespace backends
+{
+/** GLES compute tensor handle interface object **/
+class GCTensorHandle final : public ITensorHandle
+{
+public:
+ /** Default Constructor
+ *
+ * @param[in] info Tensor metadata
+ */
+ GCTensorHandle(const ITensorInfo &info);
+ /** Destructor: free the tensor's memory */
+ ~GCTensorHandle() = default;
+ /** Allow instances of this class to be move constructed */
+ GCTensorHandle(GCTensorHandle &&) = default;
+ /** Allow instances of this class to be moved */
+ GCTensorHandle &operator=(GCTensorHandle &&) = default;
+
+ // Inherited overridden methods
+ void allocate() override;
+ arm_compute::ITensor &tensor() override;
+ const arm_compute::ITensor &tensor() const override;
+ void map(bool blocking) override;
+ void unmap() override;
+ void release_if_unused() override;
+ bool is_subtensor() const override;
+
+private:
+ arm_compute::GCTensor _tensor; /**< Backend Tensor */
+};
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_GRAPH_GCTENSORHANDLE_H__ */
diff --git a/arm_compute/graph/backends/NEON/NEDeviceBackend.h b/arm_compute/graph/backends/NEON/NEDeviceBackend.h
new file mode 100644
index 0000000..b23c83a
--- /dev/null
+++ b/arm_compute/graph/backends/NEON/NEDeviceBackend.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_NEDEVICEBACKEND_H__
+#define __ARM_COMPUTE_GRAPH_NEDEVICEBACKEND_H__
+
+#include "arm_compute/graph/IDeviceBackend.h"
+
+#include "arm_compute/runtime/Allocator.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+namespace backends
+{
+/** NEON device backend */
+class NEDeviceBackend final : public IDeviceBackend
+{
+public:
+ NEDeviceBackend();
+
+ // Inherited overridden methods
+ void initialize_backend() override;
+ void setup_backend_context(GraphContext &ctx) override;
+ bool is_backend_supported() override;
+ std::unique_ptr<ITensorHandle> create_tensor(const Tensor &tensor) override;
+ std::unique_ptr<ITensorHandle> create_subtensor(ITensorHandle *parent, TensorShape shape, Coordinates coords, bool extend_parent) override;
+ std::unique_ptr<arm_compute::IFunction> configure_node(INode &node, GraphContext &ctx) override;
+ Status validate_node(INode &node) override;
+ std::shared_ptr<arm_compute::IMemoryManager> create_memory_manager(MemoryManagerAffinity affinity) override;
+
+private:
+ Allocator _allocator; /**< NEON backend allocator */
+};
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+#endif //__ARM_COMPUTE_GRAPH_NEDEVICEBACKEND_H__
diff --git a/arm_compute/graph/backends/NEON/NEFunctionFactory.h b/arm_compute/graph/backends/NEON/NEFunctionFactory.h
new file mode 100644
index 0000000..1143c29
--- /dev/null
+++ b/arm_compute/graph/backends/NEON/NEFunctionFactory.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_NEFUNCTIONFACTORY_H__
+#define __ARM_COMPUTE_GRAPH_NEFUNCTIONFACTORY_H__
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include <memory>
+
+namespace arm_compute
+{
+namespace graph
+{
+// Forward declarations
+class INode;
+class GraphContext;
+
+namespace backends
+{
+/** Factory for generating NEON backend functions **/
+class NEFunctionFactory final
+{
+public:
+ /** Create a backend execution function depending on the node type
+ *
+ * @param[in] node Node to create the backend function for
+ * @param[in] ctx Context to use
+ *
+ * @return Backend function
+ */
+ static std::unique_ptr<arm_compute::IFunction> create(INode *node, GraphContext &ctx);
+};
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+#endif //__ARM_COMPUTE_GRAPH_NEFUNCTIONFACTORY_H__
diff --git a/arm_compute/graph/backends/NEON/NENodeValidator.h b/arm_compute/graph/backends/NEON/NENodeValidator.h
new file mode 100644
index 0000000..38f58a9
--- /dev/null
+++ b/arm_compute/graph/backends/NEON/NENodeValidator.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_NENODEVALIDATOR_H__
+#define __ARM_COMPUTE_GRAPH_NENODEVALIDATOR_H__
+
+#include "arm_compute/core/Error.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+// Forward declarations
+class INode;
+
+namespace backends
+{
+class NENodeValidator final
+{
+public:
+ /** Validate a node
+ *
+ * @param[in] node Node to validate
+ *
+ * @return An error status
+ */
+ static Status validate(INode *node);
+};
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+#endif //__ARM_COMPUTE_GRAPH_NENODEVALIDATOR_H__
diff --git a/arm_compute/graph/backends/NEON/NESubTensorHandle.h b/arm_compute/graph/backends/NEON/NESubTensorHandle.h
new file mode 100644
index 0000000..11dcec6
--- /dev/null
+++ b/arm_compute/graph/backends/NEON/NESubTensorHandle.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_NESUBTENSORHANDLE_H__
+#define __ARM_COMPUTE_GRAPH_NESUBTENSORHANDLE_H__
+
+#include "arm_compute/graph/ITensorHandle.h"
+
+#include "arm_compute/runtime/SubTensor.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+namespace backends
+{
+/** NEON Sub-Tensor handle interface object **/
+class NESubTensorHandle final : public ITensorHandle
+{
+public:
+ /** Default constructor
+ *
+ * @param[in] parent_handle Parent tensor handle
+ * @param[in] shape Sub-Tensor shape
+ * @param[in] coords Starting coordinates
+ * @param[in] extend_parent Extends parent shape if true
+ */
+ NESubTensorHandle(ITensorHandle *parent_handle, const TensorShape &shape, const Coordinates &coords, bool extend_parent = false);
+ /** Destructor: free the tensor's memory */
+ ~NESubTensorHandle() = default;
+ /** Allow instances of this class to be move constructed */
+ NESubTensorHandle(NESubTensorHandle &&) = default;
+ /** Allow instances of this class to be moved */
+ NESubTensorHandle &operator=(NESubTensorHandle &&) = default;
+
+ // Inherited overridden methods
+ void allocate() override;
+ arm_compute::ITensor &tensor() override;
+ const arm_compute::ITensor &tensor() const override;
+ void map(bool blocking) override;
+ void unmap() override;
+ void release_if_unused() override;
+ bool is_subtensor() const override;
+
+private:
+ arm_compute::SubTensor _sub_tensor; /**< Backend Sub-Tensor */
+};
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_GRAPH_NESUBTENSORHANDLE_H__ */
diff --git a/arm_compute/graph/backends/NEON/NETensorHandle.h b/arm_compute/graph/backends/NEON/NETensorHandle.h
new file mode 100644
index 0000000..06ccdd8
--- /dev/null
+++ b/arm_compute/graph/backends/NEON/NETensorHandle.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_NETENSORHANDLE_H__
+#define __ARM_COMPUTE_GRAPH_NETENSORHANDLE_H__
+
+#include "arm_compute/graph/ITensorHandle.h"
+
+#include "arm_compute/runtime/Tensor.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+namespace backends
+{
+/** NEON Tensor handle interface object **/
+class NETensorHandle final : public ITensorHandle
+{
+public:
+ /** Default Constructor
+ *
+ * @param[in] info Tensor metadata
+ */
+ NETensorHandle(const ITensorInfo &info);
+ /** Destructor: free the tensor's memory */
+ ~NETensorHandle() = default;
+ /** Allow instances of this class to be move constructed */
+ NETensorHandle(NETensorHandle &&) = default;
+ /** Allow instances of this class to be moved */
+ NETensorHandle &operator=(NETensorHandle &&) = default;
+
+ // Inherited overridden methods
+ void allocate() override;
+ arm_compute::ITensor &tensor() override;
+ const arm_compute::ITensor &tensor() const override;
+ void map(bool blocking) override;
+ void unmap() override;
+ void release_if_unused() override;
+ bool is_subtensor() const override;
+
+private:
+ arm_compute::Tensor _tensor; /**< Backend Tensor */
+};
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_GRAPH_NETENSORHANDLE_H__ */
diff --git a/arm_compute/graph/backends/Utils.h b/arm_compute/graph/backends/Utils.h
new file mode 100644
index 0000000..b902d17
--- /dev/null
+++ b/arm_compute/graph/backends/Utils.h
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_BACKENDS_UTILS_H__
+#define __ARM_COMPUTE_GRAPH_BACKENDS_UTILS_H__
+
+#include "arm_compute/graph/GraphContext.h"
+#include "arm_compute/runtime/IMemoryManager.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+namespace backends
+{
+/** Creates and configures a named function
+ *
+ * @param[in] name Name of the function
+ * @param[in] args Function arguments
+ *
+ * @return A configured backend function
+ */
+template <typename FunctionType, typename FunctionNameType, typename... ParameterType>
+std::pair<std::unique_ptr<arm_compute::IFunction>, FunctionNameType> create_named_function(FunctionNameType name, ParameterType... args)
+{
+ auto f = arm_compute::support::cpp14::make_unique<FunctionType>();
+ f->configure(std::forward<ParameterType>(args)...);
+ return std::make_pair(std::move(f), name);
+}
+
+/** Creates and configures a named function
+ *
+ * @param[in] name Name of the function
+ * @param[in] mm Memory manager to use
+ * @param[in] args Function arguments
+ *
+ * @return A configured backend function
+ */
+template <typename FunctionType, typename FunctionNameType, typename MemoryManagerType, typename... ParameterType>
+std::pair<std::unique_ptr<arm_compute::IFunction>, FunctionNameType> create_named_memory_managed_function(FunctionNameType name,
+ MemoryManagerType mm,
+ ParameterType... args)
+{
+ auto f = arm_compute::support::cpp14::make_unique<FunctionType>(mm);
+ f->configure(std::forward<ParameterType>(args)...);
+ return std::make_pair(std::move(f), name);
+}
+
+/** Checks if an operation is in place
+ *
+ * @param[in] input Pointer to input
+ * @param[in] output Pointer to output
+ *
+ * @return True if output is nullptr or input is equal to the output, else false
+ */
+inline bool is_in_place_operation(void *input, void *output)
+{
+ return (output == nullptr) || (input == output);
+}
+
+/** Returns the memory manager for a given target
+ *
+ * @param[in] ctx Graph context containing memory management metadata
+ * @param[in] target Target to retrieve the memory manager from
+ *
+ * @return The memory manager for the given target else false
+ */
+inline std::shared_ptr<IMemoryManager> get_memory_manager(GraphContext &ctx, Target target)
+{
+ bool enabled = ctx.config().use_function_memory_manager && (ctx.memory_management_ctx(target) != nullptr);
+ return enabled ? ctx.memory_management_ctx(target)->mm : nullptr;
+}
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+
+#endif /* __ARM_COMPUTE_GRAPH_BACKENDS_UTILS_H__ */
diff --git a/arm_compute/graph/backends/ValidateHelpers.h b/arm_compute/graph/backends/ValidateHelpers.h
new file mode 100644
index 0000000..ca01295
--- /dev/null
+++ b/arm_compute/graph/backends/ValidateHelpers.h
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_BACKENDS_DETAIL_VALIDATE_HELPERS_H__
+#define __ARM_COMPUTE_GRAPH_BACKENDS_DETAIL_VALIDATE_HELPERS_H__
+
+#include "arm_compute/graph/Logger.h"
+#include "arm_compute/graph/Tensor.h"
+#include "arm_compute/graph/Types.h"
+#include "arm_compute/graph/nodes/Nodes.h"
+
+#include "arm_compute/core/Error.h"
+#include "arm_compute/core/ITensorInfo.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+namespace backends
+{
+namespace detail
+{
+/** Returns backing tensor info of a given tensor
+ *
+ * @param[in] tensor Tensor to extract the backing tensor from
+ *
+ * @return Backing tensor tensor info if present else nullptr
+ */
+inline arm_compute::ITensorInfo *get_backing_tensor_info(arm_compute::graph::Tensor *tensor)
+{
+ return ((tensor == nullptr) || (tensor->handle() == nullptr)) ? nullptr : tensor->handle()->tensor().info();
+}
+
+/** Validates a Convolution layer node
+ *
+ * @tparam ConvolutionLayer Default Convolution layer function type
+ * @tparam DirectConvolutionLayer Direct Convolution layer function type
+ * @tparam GEMMConvolutionLayer GEMM Convolution layer function type
+ * @tparam WinogradConvolutionLayer Winograd Convolution layer function type
+ *
+ * @param[in] node Node to validate
+ *
+ * @return Status
+ */
+template <typename ConvolutionLayer, typename DirectConvolutionLayer, typename GEMMConvolutionLayer, typename WinogradConvolutionLayer>
+Status validate_convolution_layer(ConvolutionLayerNode &node)
+{
+ ARM_COMPUTE_LOG_GRAPH_VERBOSE("Validating ConvolutionLayer node with ID : " << node.id() << " and Name: " << node.name() << std::endl);
+ ARM_COMPUTE_RETURN_ERROR_ON(node.num_inputs() != 3);
+ ARM_COMPUTE_RETURN_ERROR_ON(node.num_outputs() != 1);
+
+ // Extract IO and info
+ arm_compute::ITensorInfo *input = get_backing_tensor_info(node.input(0));
+ arm_compute::ITensorInfo *weights = get_backing_tensor_info(node.input(1));
+ arm_compute::ITensorInfo *biases = get_backing_tensor_info(node.input(2));
+ arm_compute::ITensorInfo *output = get_backing_tensor_info(node.output(0));
+ const PadStrideInfo conv_info = node.convolution_info();
+ const ConvolutionMethod conv_algorithm = node.convolution_method();
+
+ // Validate function
+ Status status{};
+ switch(conv_algorithm)
+ {
+ case ConvolutionMethod::DIRECT:
+ status = DirectConvolutionLayer::validate(input, weights, biases, output, conv_info);
+ break;
+ case ConvolutionMethod::GEMM:
+ status = GEMMConvolutionLayer::validate(input, weights, biases, output, conv_info);
+ break;
+ case ConvolutionMethod::WINOGRAD:
+ status = WinogradConvolutionLayer::validate(input, weights, biases, output, conv_info);
+ break;
+ default:
+ break;
+ }
+
+ // If validation fails try the Default approach
+ if(!bool(status) || (conv_algorithm == ConvolutionMethod::DEFAULT))
+ {
+ std::cout << status.error_description() << std::endl;
+ status = ConvolutionLayer::validate(input, weights, biases, output, conv_info);
+ if(bool(status))
+ {
+ ARM_COMPUTE_LOG_GRAPH_INFO("Switched ConvolutionLayer method of node with ID : "
+ << node.id() << " and Name: " << node.name() << std::endl);
+ node.set_convolution_method(ConvolutionMethod::DEFAULT);
+ }
+ }
+
+ return status;
+}
+
+/** Validates a Depthwise Convolution layer node
+ *
+ * @tparam DepthwiseConvolutionLayer Default Depthwise Convolution layer type
+ * @tparam DepthwiseConvolutionLayer3x3 Optimized 3x3 Depthwise Convolution layer type
+ *
+ * @param[in] node Node to validate
+ *
+ * @return Status
+ */
+template <typename DepthwiseConvolutionLayer, typename DepthwiseConvolutionLayer3x3>
+Status validate_depthwise_convolution_layer(DepthwiseConvolutionLayerNode &node)
+{
+ ARM_COMPUTE_LOG_GRAPH_VERBOSE("Validating DepthwiseConvolutionLayer node with ID : " << node.id() << " and Name: " << node.name() << std::endl);
+ ARM_COMPUTE_RETURN_ERROR_ON(node.num_inputs() != 3);
+ ARM_COMPUTE_RETURN_ERROR_ON(node.num_outputs() != 1);
+
+ // Extract IO and info
+ arm_compute::ITensorInfo *weights = detail::get_backing_tensor_info(node.input(1));
+ const DepthwiseConvolutionMethod dwc_algorithm = node.depthwise_convolution_method();
+ ARM_COMPUTE_ERROR_ON(weights == nullptr);
+
+ // TODO (geopin01) : Switch when validation is implemented
+ // Validate function
+ if((dwc_algorithm == DepthwiseConvolutionMethod::OPTIMIZED_3x3) && (weights->tensor_shape().x() != 3))
+ {
+ ARM_COMPUTE_LOG_GRAPH_INFO("Switched DepthwiseConvolutionLayer method of node with ID : "
+ << node.id() << " and Name: " << node.name() << std::endl);
+ node.set_depthwise_convolution_method(DepthwiseConvolutionMethod::DEFAULT);
+ }
+
+ return Status{};
+}
+} // namespace detail
+} // namespace backends
+} // namespace graph
+} // namespace arm_compute
+
+#endif /* __ARM_COMPUTE_GRAPH_BACKENDS_DETAIL_VALIDATE_HELPERS_H__ */