COMPMID-1505: Add native grouping support at graph level

Change-Id: Iedc91b0aee743b59af5140c8acb8124548da3163
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/144362
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Giorgio Arena <giorgio.arena@arm.com>
Reviewed-by: Michele DiGiorgio <michele.digiorgio@arm.com>

1 files changed, 97 insertions, 0 deletions

diff --git a/src/graph/mutators/NodeExecutionMethodMutator.cpp b/src/graph/mutators/NodeExecutionMethodMutator.cpp
new file mode 100644
index 0000000000..896bf0742c
--- /dev/null
+++ b/src/graph/mutators/NodeExecutionMethodMutator.cpp
@@ -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.
+ */
+#include "arm_compute/graph/mutators/NodeExecutionMethodMutator.h"
+
+#include "arm_compute/graph/Graph.h"
+#include "arm_compute/graph/Logger.h"
+#include "arm_compute/graph/Utils.h"
+#include "arm_compute/graph/backends/BackendRegistry.h"
+#include "arm_compute/graph/nodes/Nodes.h"
+
+#include "arm_compute/core/utils/misc/Cast.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+namespace
+{
+/** Runs a default setter function on a given types of nodes
+ *
+ * @tparam Setter Setter function to run
+ *
+ * @param[in, out] g         Graph to extract the nodes from
+ * @param[in]      node_type Node type
+ * @param[in]      setter    Setter function
+ */
+template <typename Setter>
+void set_default_on_invalid_method(Graph &g, NodeType node_type, Setter &&setter)
+{
+    const std::vector<NodeID> &node_ids = g.nodes(node_type);
+    for(auto &node_id : node_ids)
+    {
+        INode *node = g.node(node_id);
+        if(node != nullptr)
+        {
+            // Validate node
+            backends::IDeviceBackend *backend = backends::BackendRegistry::get().find_backend(node->assigned_target());
+            Status                    status  = backend->validate_node(*node);
+
+            // Set default execution method in case of failure
+            if(!bool(status))
+            {
+                setter(node);
+            }
+        }
+    }
+}
+} // namespace
+
+const char *NodeExecutionMethodMutator::name()
+{
+    return "NodeExecutionMethodMutator";
+}
+
+void NodeExecutionMethodMutator::mutate(Graph &g)
+{
+    // Convolution Layer
+    set_default_on_invalid_method(g, NodeType::ConvolutionLayer, [](INode * n)
+    {
+        ARM_COMPUTE_LOG_GRAPH_INFO("Switched ConvolutionLayer method of node with ID : "
+                                   << n->id() << " and Name: " << n->name() << std::endl);
+        auto *casted_node = arm_compute::utils::cast::polymorphic_downcast<ConvolutionLayerNode *>(n);
+        casted_node->set_convolution_method(ConvolutionMethod::Default);
+    });
+
+    // Depthwise Convolution Layer
+    set_default_on_invalid_method(g, NodeType::DepthwiseConvolutionLayer, [](INode * n)
+    {
+        ARM_COMPUTE_LOG_GRAPH_INFO("Switched Depthwise ConvolutionLayer method of node with ID : "
+                                   << n->id() << " and Name: " << n->name() << std::endl);
+        auto *casted_node = arm_compute::utils::cast::polymorphic_downcast<DepthwiseConvolutionLayerNode *>(n);
+        casted_node->set_depthwise_convolution_method(DepthwiseConvolutionMethod::Default);
+    });
+}
+} // namespace graph
+} // namespace arm_compute