COMPMID-1333: Add CLSplit

Change-Id: I0f31e68dc0a1d6ddec5cd32602b6a3aa62070fe1
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/146778
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele DiGiorgio <michele.digiorgio@arm.com>

1 files changed, 151 insertions, 0 deletions

diff --git a/tests/validation/fixtures/SplitFixture.h b/tests/validation/fixtures/SplitFixture.h
new file mode 100644
index 0000000000..07501775e5
--- /dev/null
+++ b/tests/validation/fixtures/SplitFixture.h
@@ -0,0 +1,151 @@
+/*
+ * 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_SPLIT_FIXTURE
+#define ARM_COMPUTE_TEST_SPLIT_FIXTURE
+
+#include "arm_compute/core/TensorShape.h"
+#include "arm_compute/core/Types.h"
+
+#include "tests/AssetsLibrary.h"
+#include "tests/Globals.h"
+#include "tests/IAccessor.h"
+#include "tests/RawLutAccessor.h"
+#include "tests/framework/Asserts.h"
+#include "tests/framework/Fixture.h"
+#include "tests/validation/Helpers.h"
+#include "tests/validation/reference/SliceOperations.h"
+
+#include <algorithm>
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+template <typename TensorType, typename ITensorType, typename AccessorType, typename FunctionType, typename T>
+class SplitFixture : public framework::Fixture
+{
+public:
+    template <typename...>
+    void setup(TensorShape shape, unsigned int axis, unsigned int splits, DataType data_type)
+    {
+        _target    = compute_target(shape, axis, splits, data_type);
+        _reference = compute_reference(shape, axis, splits, data_type);
+    }
+
+protected:
+    template <typename U>
+    void fill(U &&tensor, int i)
+    {
+        library->fill_tensor_uniform(tensor, i);
+    }
+
+    std::vector<TensorType> compute_target(const TensorShape &shape, unsigned int axis, unsigned int splits, DataType data_type)
+    {
+        // Create tensors
+        TensorType                 src = create_tensor<TensorType>(shape, data_type);
+        std::vector<TensorType>    dsts(splits);
+        std::vector<ITensorType *> dsts_ptr;
+        for(auto &dst : dsts)
+        {
+            dsts_ptr.emplace_back(&dst);
+        }
+
+        // Create and configure function
+        FunctionType split;
+        split.configure(&src, dsts_ptr, axis);
+
+        ARM_COMPUTE_EXPECT(src.info()->is_resizable(), framework::LogLevel::ERRORS);
+        ARM_COMPUTE_EXPECT(std::all_of(dsts.cbegin(), dsts.cend(), [](const TensorType & t)
+        {
+            return t.info()->is_resizable();
+        }),
+        framework::LogLevel::ERRORS);
+
+        // Allocate tensors
+        src.allocator()->allocate();
+        for(unsigned int i = 0; i < splits; ++i)
+        {
+            dsts[i].allocator()->allocate();
+        }
+
+        ARM_COMPUTE_EXPECT(!src.info()->is_resizable(), framework::LogLevel::ERRORS);
+        ARM_COMPUTE_EXPECT(std::all_of(dsts.cbegin(), dsts.cend(), [](const TensorType & t)
+        {
+            return !t.info()->is_resizable();
+        }),
+        framework::LogLevel::ERRORS);
+
+        // Fill tensors
+        fill(AccessorType(src), 0);
+
+        // Compute function
+        split.run();
+
+        return dsts;
+    }
+
+    std::vector<SimpleTensor<T>> compute_reference(const TensorShape &shape, unsigned int axis, unsigned int splits, DataType data_type)
+    {
+        // Create reference
+        SimpleTensor<T>              src{ shape, data_type };
+        std::vector<SimpleTensor<T>> dsts;
+
+        // Fill reference
+        fill(src, 0);
+
+        // Calculate splice for each split
+        const size_t axis_split_step = shape[axis] / splits;
+        unsigned int axis_offset     = 0;
+
+        // Start/End coordinates
+        Coordinates start_coords;
+        Coordinates end_coords;
+        for(unsigned int d = 0; d < shape.num_dimensions(); ++d)
+        {
+            end_coords.set(d, -1);
+        }
+
+        for(unsigned int i = 0; i < splits; ++i)
+        {
+            // Update coordinate on axis
+            start_coords.set(axis, axis_offset);
+            end_coords.set(axis, axis_offset + axis_split_step);
+
+            dsts.emplace_back(std::move(reference::slice(src, start_coords, end_coords)));
+
+            axis_offset += axis_split_step;
+        }
+
+        return dsts;
+    }
+
+    std::vector<TensorType>      _target{};
+    std::vector<SimpleTensor<T>> _reference{};
+};
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_TEST_SPLIT_FIXTURE */