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/*
* Copyright (c) 2017-2018, 2022-2023 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 NO_MULTI_THREADING
#include <mutex>
#endif
#include <cstdint>
#include "arm_gemm.hpp"
#include "kernel_weight_format.hpp"
#include "utils.hpp"
namespace arm_gemm {
#ifndef NO_MULTI_THREADING
std::mutex report_mutex;
#endif
WeightFormat get_weight_format(const KernelWeightFormat kwf, size_t element_size) {
if (kwf==KernelWeightFormat::NON_FIXED) {
return WeightFormat::UNSPECIFIED;
}
uint32_t kwf_i = static_cast<uint32_t>(kwf);
uint32_t wf_i = 0;
const auto block_bytes = (kwf_i >> 8) & 0xf;
const auto vector_count = (kwf_i >> 12) & 0xf;
uint32_t vector_bytes;
// For fast mode BF16 kernels set the appropriate bit and override element size to 2.
if (kwf_i & 0x10) {
element_size = 2;
wf_i |= 0x10;
}
#ifdef ARM_COMPUTE_ENABLE_SVE
// Get total bytes in vector output
if (kwf_i & 0x1) {
vector_bytes = vector_count * get_vector_length<uint8_t>();
} else {
#else
if (1) {
#endif
vector_bytes = vector_count * 16;
}
auto input_blocking = block_bytes / element_size;
auto output_blocking = vector_bytes / block_bytes;
wf_i |= (input_blocking << 20);
wf_i |= (output_blocking << 8);
return static_cast<WeightFormat>(wf_i);
}
} // namespace arm_gemm
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