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/*
* 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 CKW_SRC_CL_HELPERS_CLMEMORYOPBUFFERHELPER_H
#define CKW_SRC_CL_HELPERS_CLMEMORYOPBUFFERHELPER_H
#include "src/cl/helpers/ICLMemoryOpHelper.h"
#include <cstdint>
#include <string>
#include <vector>
namespace ckw
{
// Forward Declarations
class CLKernelWriter;
class CLTile;
template <class CLTile>
class TileView;
enum class MemoryOperation;
/** Helper class to write memory operations (like load/store) in OpenCL
*/
class CLMemoryOpBufferHelper : public ICLMemoryOpHelper
{
public:
/** Constructor similar to @ref ICLMemoryOpHelper() */
CLMemoryOpBufferHelper(CLKernelWriter *writer,
ITensor *tensor,
TensorSampler *sampler,
MemoryOperation op,
const TileView<CLTile> &dst)
: ICLMemoryOpHelper(writer, tensor, sampler, op, dst)
{
}
/** Copy constructor */
CLMemoryOpBufferHelper(const CLMemoryOpBufferHelper &) = delete;
/** Assignment operator overload */
CLMemoryOpBufferHelper &operator=(const CLMemoryOpBufferHelper &) = delete;
// Methods overridden
void initialize(const CLTile *x, const CLTile *z, const CLTile *b) override;
void write_row(int32_t row_id, const std::string &coord_y) override;
void finalize() override;
private:
struct LeftoverDescriptor
{
LeftoverDescriptor(const std::string &dst, const std::string &coord, const std::string &statement)
: dst(dst), coord(coord), statement(statement)
{
}
std::string dst{}; // Describes the destination tile or part of it
std::string coord{}; // Describes the coordinate to be used in boundary checks
std::string statement{}; // Describes the memory operation statement
};
std::vector<int32_t> _ls_width_part{};
std::vector<LeftoverDescriptor> _leftovers_x{};
std::string _coord_orig_z{};
static bool validate(const CLKernelWriter *writer,
const ITensor *tensor,
const TensorSampler *sampler,
const Tensor3dMapper *mapper,
MemoryOperation op,
const TileView<CLTile> &dst);
void out_of_bound_initialize_x(const std::string &coord);
void out_of_bound_finalize_x();
void out_of_bound_initialize_y(const std::string &coord);
void out_of_bound_finalize_y(const std::string &dst);
void out_of_bound_initialize_z(const std::string &coord);
void out_of_bound_finalize_z();
std::string
to_statement(MemoryOperation op, int32_t vector_width, const std::string &data, const std::string &address) const;
std::string
to_buffer_address(const std::string &x, const std::string &y, const std::string &z, const std::string &b) const;
};
} // namespace ckw
#endif // CKW_SRC_CL_HELPERS_CLMEMORYOPBUFFERHELPER_H
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