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/*
* Copyright (c) 2016-2023 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 ARM_COMPUTE_UTILS_ADJUSTVECSIZE_H
#define ARM_COMPUTE_UTILS_ADJUSTVECSIZE_H
#include "arm_compute/core/Error.h"
namespace arm_compute
{
/** Returns the adjusted vector size in case it is less than the input's first dimension, getting rounded down to its closest valid vector size
*
* @param[in] vec_size vector size to be adjusted
* @param[in] dim0 size of the first dimension
*
* @return the number of element processed along the X axis per thread
*/
inline unsigned int adjust_vec_size(unsigned int vec_size, size_t dim0)
{
ARM_COMPUTE_ERROR_ON(vec_size > 16);
if ((vec_size >= dim0) && (dim0 == 3))
{
return dim0;
}
while (vec_size > dim0)
{
vec_size >>= 1;
}
return vec_size;
}
} // namespace arm_compute
#endif /*ARM_COMPUTE_UTILS_H */
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