CLTypes.h

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/*
 * Copyright (c) 2020-2021 Arm Limited.
 *
 * SPDX-License-Identifier: MIT
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#ifndef ARM_COMPUTE_RUNTIME_CLTYPES_H
#define ARM_COMPUTE_RUNTIME_CLTYPES_H
#include "arm_compute/core/Types.h"

namespace arm_compute
{
/** OpenCL GEMM kernel types */
enum class CLGEMMKernelType
{
    /** Native GEMM kernel with fixed block size.
     * @note Temporary variant to keep compatibility with the old implementation.
     * @note This variant will be deprecated in favor of a new and configurable NATIVE variant
     */
    NATIVE_V1,
    /** Native GEMM kernel with configurable block size.*/
    NATIVE,
    /** Reshaped GEMM kernel where both lhs and rhs matrices are reshaped. Fixed block size fixed.
     * @note Temporary variant to keep compatibility with the old implementation.
     * @note This variant will be deprecated in favor of RESHAPED
     */
    RESHAPED_V1,
    /** Reshaped GEMM kernel where both lhs and rhs matrices are reshaped. Configurable reshape and block size */
    RESHAPED,
    /** Reshaped GEMM kernel where only the rhs matrix is reshaped. Configurable reshape and block size */
    RESHAPED_ONLY_RHS
};

/** OpenCL GEMM kernel selection parameters. These information are retrieved to select the GEMM kernel on OpenCL */
struct CLGEMMKernelSelectionParams
{
    unsigned int m{ 0 };                         /**< Number of rows for the lhs matrix. Lhs matrix NOT transposed */
    unsigned int n{ 0 };                         /**< Number of columns for the rhs matrix. Rhs matrix NOT transposed */
    unsigned int k{ 0 };                         /**< Number of rows for the rhs matrix. Rhs matrix NOT transposed */
    unsigned int b{ 0 };                         /**< Batch size */
    bool         is_rhs_constant{ false };       /**< True if the content of the rhs matrix is constant */
    DataType     data_type{ DataType::UNKNOWN }; /**< Data type */
};

/** List the possible OpenCL backends */
enum class CLBackendType
{
    Native, /**< OpenCL native backend */
    Clvk,   /**< CLVK backend */
};
} // namespace arm_compute
#endif /* ARM_COMPUTE_RUNTIME_CLTYPES_H */