src/core/NEON/kernels/arm_gemm/kernels/a64_sgemm_nativeA_pretransposeB_16x4.hpp

/*
 * Copyright (c) 2019 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
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
#pragma once

#ifdef __aarch64__

namespace arm_gemm {

// Actual kernel implementations
void a64_sgemm_nativeA_pretransposeB_16x4(const float *, int, const float *, float *, int, float, unsigned int, unsigned int, unsigned int);

// Native A/Pretranspose B SGEMM "strategy" class.
//
// This describes the characteristics of a family of kernels, in terms of
// the required interleave properties and the output block size.
//
// All kernels in the family must share these characteristics.  The actual
// kernel to be used can be chosen at runtime, based on the CPUInfo
// structure.
class sgemm_nativeA_pretransposeB_16x4 {
public:
    typedef float operand_type;
    typedef float result_type;

    typedef void (*kern_type)(const float *, int, const float *, float *, int, float, unsigned int, unsigned int, unsigned int);

    /* Desired data layout for B buffer (used for pretranspose) */
    static const int  B_interleave = 16;
    static const int  B_block = 1;
    static const bool B_transpose = true;

    /* Kernel blocking parameters */
    static unsigned int out_width() {
        return 16;
    }

    static unsigned int out_height() {
        return 4;
    }

    static unsigned int k_unroll() {
        return 1;
    }

    StdTransformsFixed<operand_type, result_type, 4, 16> transforms = {};

    // Default to the generic kernel
    kern_type kernel=a64_sgemm_nativeA_pretransposeB_16x4;

    sgemm_nativeA_pretransposeB_16x4(const CPUInfo *ci) {

    }
};

} // namespace arm_gemm

#endif // __aarch64__