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/*
* Copyright (c) Facebook, Inc. and its affiliates.
* All rights reserved.
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
namespace fbgemm {
/**
* @brief Reference implementation of matrix transposition: B = A^T.
* @param M The height of the matrix.
* @param N The width of the matrix.
* @param src The memory buffer of the source matrix A.
* @param ld_src The leading dimension of the source matrix A.
* @param dst The memory buffer of the destination matrix B.
* @param ld_dst The leading dimension of the destination matrix B.
*/
void transpose_ref(
int M,
int N,
const float* src,
int ld_src,
float* dst,
int ld_dst);
namespace internal {
/**
* @brief Transpose a matrix using Intel AVX2.
*
* This is called if the code is running on a CPU with Intel AVX2 support.
*/
void transpose_8x8(
int M,
int N,
const float* src,
int ld_src,
float* dst,
int ld_dst);
/**
* @brief Transpose a matrix using Intel AVX512.
*
* This is called if the code is running on a CPU with Intel AVX512 support.
*/
void transpose_16x16(
int M,
int N,
const float* src,
int ld_src,
float* dst,
int ld_dst);
} // namespace internal
} // namespace fbgemm
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