Prepare the basic types for the compute kernel writer (CKW)

- Add TensorInfo
- Add TileInfo
- Add CLTile
- Add basic utility methods to get tensor components
- Add unit tests

Resolves COMPMID-5782, COMPMID-5785

Signed-off-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Change-Id: I5e590bddd240d2f1fc876cac7129947558d7d53b
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/c/VisualCompute/ComputeLibrary/+/486221
Tested-by: bsgcomp <bsgcomp@arm.com>
Reviewed-by: Jakub Sujak <jakub.sujak@arm.com>
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Comments-Addressed: bsgcomp <bsgcomp@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/9687
Reviewed-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Reviewed-by: Pablo Marquez Tello <pablo.tello@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 84 insertions, 0 deletions

diff --git a/compute_kernel_writer/include/ckw/TileInfo.h b/compute_kernel_writer/include/ckw/TileInfo.h
new file mode 100644
index 0000000000..4f801513b0
--- /dev/null
+++ b/compute_kernel_writer/include/ckw/TileInfo.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2023 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 COMPUTE_KERNEL_WRITER_INCLUDE_CKW_TILEINFO_H
+#define COMPUTE_KERNEL_WRITER_INCLUDE_CKW_TILEINFO_H
+
+#include "ckw/Types.h"
+
+#include <array>
+#include <cstdint>
+
+namespace ckw
+{
+// Constants to access the tile width and height in the TileShape
+constexpr int32_t kTileWidthIdx  = 0;
+constexpr int32_t kTileHeightIdx = 1;
+
+/** Compute Kernel Writer tile shape */
+using TileShape = std::array<int32_t, 2>;
+
+/** Compute Kernel Writer tile info */
+class TileInfo
+{
+public:
+    /** Constructor used to initialize a scalar variable with a given data type
+     *
+     * @param[in] dt Tile data type
+     */
+    TileInfo(DataType dt);
+    /** Constructor used to initialize a vector with a given data type and vector length.
+     *
+     * @param[in] dt Tile data type
+     * @param[in] w  Tile width (or vector length)
+     */
+    TileInfo(DataType dt, int32_t w);
+    /** Constructor used to initialize a tile with a given data type and tile sizes.
+     *
+     * @param[in] dt Tile data type
+     * @param[in] w  Tile width
+     * @param[in] h  Tile height
+     */
+    TileInfo(DataType dt, int32_t w, int32_t h);
+    /** Set width */
+    TileInfo &width(int32_t w);
+    /** Get width */
+    int32_t width() const;
+    /** Set height */
+    TileInfo &height(int32_t h);
+    /** Get height */
+    int32_t height() const;
+    /** Set data type */
+    TileInfo &data_type(DataType dt);
+    /** Get data type */
+    DataType data_type() const;
+
+private:
+    DataType  _dt{ DataType::Unknown };
+    TileShape _shape{};
+};
+
+} // namespace ckw
+
+#endif /* COMPUTE_KERNEL_WRITER_INCLUDE_CKW_TILEINFO_H */