COMPMID-761: Add CL/NEON HOGDetector benchmark tests

Change-Id: I9fa088d69d05ba49ceabe962f3e0e5ac128ae83b
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/135666
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/tests/benchmark/CL/HOGDetector.cpp b/tests/benchmark/CL/HOGDetector.cpp
new file mode 100644
index 0000000..aeed4d2
--- /dev/null
+++ b/tests/benchmark/CL/HOGDetector.cpp
@@ -0,0 +1,78 @@
+/*
+ * 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/core/Types.h"
+#include "arm_compute/runtime/CL/CLArray.h"
+#include "arm_compute/runtime/CL/CLHOG.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+#include "arm_compute/runtime/CL/functions/CLHOGDescriptor.h"
+#include "arm_compute/runtime/CL/functions/CLHOGDetector.h"
+#include "tests/CL/CLAccessor.h"
+#include "tests/CL/CLHOGAccessor.h"
+#include "tests/benchmark/fixtures/HOGDetectorFixture.h"
+#include "tests/datasets/HOGDescriptorDataset.h"
+#include "tests/datasets/ShapeDatasets.h"
+#include "tests/framework/Macros.h"
+#include "tests/framework/datasets/Datasets.h"
+#include "utils/TypePrinter.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace benchmark
+{
+namespace
+{
+/* Input dataset (values must be a multiple of the HOGInfo block_size) */
+const auto DetectionWindowStrideDataset = framework::dataset::make("DetectionWindowStride", { Size2D(8, 8), Size2D(16, 16) });
+} // namespace
+
+TEST_SUITE(CL)
+TEST_SUITE(HOGDetector)
+
+using CLHOGDetectorFixture = HOGDetectorFixture<CLTensor, CLHOG, CLHOGDetector, CLAccessor, CLHOGAccessor, CLHOGDescriptor, CLDetectionWindowArray>;
+
+// *INDENT-OFF*
+// clang-format off
+REGISTER_FIXTURE_DATA_TEST_CASE(RunSmall, CLHOGDetectorFixture, framework::DatasetMode::PRECOMMIT,
+                                combine(combine(combine(
+                                DetectionWindowStrideDataset,
+                                datasets::SmallHOGDescriptorDataset()),
+                                framework::dataset::make("Format", Format::U8)),
+                                framework::dataset::make("BorderMode", {BorderMode::CONSTANT, BorderMode::REPLICATE})));
+
+REGISTER_FIXTURE_DATA_TEST_CASE(RunLarge, CLHOGDetectorFixture, framework::DatasetMode::NIGHTLY,
+                                combine(combine(combine(
+                                DetectionWindowStrideDataset,
+                                datasets::LargeHOGDescriptorDataset()),
+                                framework::dataset::make("Format", Format::U8)),
+                                framework::dataset::make("BorderMode", {BorderMode::CONSTANT, BorderMode::REPLICATE})));
+// clang-format on
+// *INDENT-ON*
+
+TEST_SUITE_END() // HOGDetector
+TEST_SUITE_END() // CL
+} // namespace benchmark
+} // namespace test
+} // namespace arm_compute
diff --git a/tests/benchmark/NEON/HOGDetector.cpp b/tests/benchmark/NEON/HOGDetector.cpp
new file mode 100644
index 0000000..3ab9fae
--- /dev/null
+++ b/tests/benchmark/NEON/HOGDetector.cpp
@@ -0,0 +1,77 @@
+/*
+ * 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/core/Types.h"
+#include "arm_compute/runtime/Array.h"
+#include "arm_compute/runtime/NEON/functions/NEHOGDescriptor.h"
+#include "arm_compute/runtime/NEON/functions/NEHOGDetector.h"
+#include "arm_compute/runtime/Tensor.h"
+#include "tests/NEON/Accessor.h"
+#include "tests/NEON/HOGAccessor.h"
+#include "tests/benchmark/fixtures/HOGDetectorFixture.h"
+#include "tests/datasets/HOGDescriptorDataset.h"
+#include "tests/datasets/ShapeDatasets.h"
+#include "tests/framework/Macros.h"
+#include "tests/framework/datasets/Datasets.h"
+#include "utils/TypePrinter.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace benchmark
+{
+namespace
+{
+/* Input dataset (values must be a multiple of the HOGInfo block_size) */
+const auto DetectionWindowStrideDataset = framework::dataset::make("DetectionWindowStride", { Size2D(8, 8), Size2D(16, 16) });
+} // namespace
+
+TEST_SUITE(NEON)
+TEST_SUITE(HOGDetector)
+
+using NEHOGDetectorFixture = HOGDetectorFixture<Tensor, HOG, NEHOGDetector, Accessor, HOGAccessor, NEHOGDescriptor, DetectionWindowArray>;
+
+// *INDENT-OFF*
+// clang-format off
+REGISTER_FIXTURE_DATA_TEST_CASE(RunSmall, NEHOGDetectorFixture, framework::DatasetMode::PRECOMMIT,
+                                combine(combine(combine(
+                                DetectionWindowStrideDataset,
+                                datasets::SmallHOGDescriptorDataset()),
+                                framework::dataset::make("Format", Format::U8)),
+                                framework::dataset::make("BorderMode", {BorderMode::CONSTANT, BorderMode::REPLICATE})));
+
+REGISTER_FIXTURE_DATA_TEST_CASE(RunLarge, NEHOGDetectorFixture, framework::DatasetMode::NIGHTLY,
+                                combine(combine(combine(
+                                DetectionWindowStrideDataset,
+                                datasets::LargeHOGDescriptorDataset()),
+                                framework::dataset::make("Format", Format::U8)),
+                                framework::dataset::make("BorderMode", {BorderMode::CONSTANT, BorderMode::REPLICATE})));
+// clang-format on
+// *INDENT-ON*
+
+TEST_SUITE_END() // HOGDetector
+TEST_SUITE_END() // NEON
+} // namespace benchmark
+} // namespace test
+} // namespace arm_compute
diff --git a/tests/benchmark/fixtures/HOGDescriptorFixture.h b/tests/benchmark/fixtures/HOGDescriptorFixture.h
index 3933a16..3129593 100644
--- a/tests/benchmark/fixtures/HOGDescriptorFixture.h
+++ b/tests/benchmark/fixtures/HOGDescriptorFixture.h
@@ -82,15 +82,11 @@
         sync_if_necessary<TensorType>();
     }
 
-    void teardown()
-    {
-        src.allocator()->free();
-        dst.allocator()->free();
-    }
+protected:
+    TensorType dst{};
 
 private:
     TensorType src{};
-    TensorType dst{};
     Function   hog_descriptor_func{};
 };
 } // namespace benchmark
diff --git a/tests/benchmark/fixtures/HOGDetectorFixture.h b/tests/benchmark/fixtures/HOGDetectorFixture.h
new file mode 100644
index 0000000..48404d8
--- /dev/null
+++ b/tests/benchmark/fixtures/HOGDetectorFixture.h
@@ -0,0 +1,101 @@
+/*
+ * 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_TEST_HOG_DETECTOR_FIXTURE
+#define ARM_COMPUTE_TEST_HOG_DETECTOR_FIXTURE
+
+#include "arm_compute/core/TensorShape.h"
+#include "arm_compute/core/Types.h"
+#include "tests/Globals.h"
+#include "tests/Utils.h"
+#include "tests/benchmark/fixtures/HOGDescriptorFixture.h"
+#include "tests/framework/Fixture.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace benchmark
+{
+template <typename TensorType,
+          typename HOGType,
+          typename Function,
+          typename Accessor,
+          typename HOGAccessor,
+          typename HOGDescriptorType,
+          typename ArrayType>
+class HOGDetectorFixture : public HOGDescriptorFixture<TensorType, HOGType, HOGDescriptorType, Accessor>
+{
+public:
+    template <typename...>
+    void setup(Size2D detection_window_stride, std::string image, HOGInfo hog_info, Format format, BorderMode border_mode)
+    {
+        HDF::setup(image, hog_info, format, border_mode);
+        HDF::run();
+
+        // Initialise descriptor (linear SVM coefficients).
+        // NOTE: Fixed values are used to keep the number of detection windows detected
+        // consistent in order to have meaningful validation tolerances.
+        // The values are "unbalanced" to reduce the number of detected objects
+        const std::random_device::result_type seed       = 0;
+        std::vector<float>                    descriptor = generate_random_real(hog_info.descriptor_size(), -0.505f, 0.495f, seed);
+
+        // Create HOG
+        hog = create_HOG<HOGType>(hog_info);
+
+        // Copy HOG descriptor values to HOG memory
+        {
+            HOGAccessor hog_accessor(hog);
+            std::memcpy(hog_accessor.descriptor(), descriptor.data(), descriptor.size() * sizeof(float));
+        }
+
+        // Create and configure function
+        hog_detector_func.configure(&(HDF::dst), &hog, &detection_windows, detection_window_stride);
+
+        // Reset detection windows
+        detection_windows.clear();
+    }
+
+    void run()
+    {
+        hog_detector_func.run();
+    }
+
+    void sync()
+    {
+        sync_if_necessary<TensorType>();
+    }
+
+private:
+    static const unsigned int max_num_detection_windows = 100000;
+
+    HOGType   hog{};
+    Function  hog_detector_func{};
+    ArrayType detection_windows{ max_num_detection_windows };
+
+    using HDF = HOGDescriptorFixture<TensorType, HOGType, HOGDescriptorType, Accessor>;
+};
+} // namespace benchmark
+} // namespace test
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_TEST_HOG_DETECTOR_FIXTURE */