our_knp/examples/knp/backends/gpu/cuda-backend/impl/uid.cuh
int 8f43927575 Initial import: KNP experiments (examples, viz, cats-dogs, reports)
examples/ is based on KasperskyLab/knp at 55470ed6 with local changes
to the mnist-learn altai/blifat models, cuda-backend CMake and model_loader.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-14 18:17:15 +03:00

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/**
* @file uid.cuh
* @brief CUDA UID implementation.
* @kaspersky_support Artiom N.
* @date 28.03.2025
* @license Apache 2.0
* @copyright © 2025 AO Kaspersky Lab
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <cuda/std/array>
#include <cuda.h>
#include <knp/core/uid.h>
#include <knp/core/impexp.h>
namespace knp::backends::gpu::cuda
{
constexpr int tag_size = 16;
using UID = ::cuda::std::array<std::uint8_t, tag_size>;
constexpr UID ZERO_UID = {0};
/**
* @brief Convert from knp::core::UID to cuda UID.
* @param uid core UID.
*/
cuda::UID to_gpu_uid(const knp::core::UID &uid);
/**
* @brief Convert from CUDA UID to knp::core::UID.
* @param uid CUDA UID.
*/
knp::core::UID to_cpu_uid(const cuda::UID &uid);
/**
* @brief Create new GPU UID.
* @return new gpu UID.
*/
inline cuda::UID new_uid() { return to_gpu_uid(knp::core::UID{}); }
inline bool empty_uid(const cuda::UID& uid)
{
for (const auto &uid_digit : uid)
{
if (uid_digit) return false;
}
return true;
}
} // namespace knp::backends::gpu::cuda