Method GetBackendPathsImpl

src/backends/backendsCommon/DynamicBackendUtils.cpp:103–143

}

std::vector<std::string> DynamicBackendUtils::GetBackendPathsImpl(const std::string& backendPaths)
{
    // Check if there's any path to process at all
    if (backendPaths.empty())
    {
        // Silently return without issuing a warning as no paths have been passed, so
        // the whole dynamic backend loading feature can be considered as disabled
        return {};
    }

    std::unordered_set<std::string> uniqueBackendPaths;
    std::vector<std::string> validBackendPaths;

    // Split the given list of paths
    std::vector<std::string> tempBackendPaths = armnn::stringUtils::StringTokenizer(backendPaths, ":");

    for (const std::string& path : tempBackendPaths)
    {
        // Check whether the path is valid
        if (!IsPathValid(path))
        {
            continue;
        }

        // Check whether the path is a duplicate
        auto it = uniqueBackendPaths.find(path);
        if (it != uniqueBackendPaths.end())
        {
            // The path is a duplicate
            continue;
        }

        // Add the path to the set of unique paths
        uniqueBackendPaths.insert(path);

        // Add the path to the list of valid paths
        validBackendPaths.push_back(path);
    }

    return validBackendPaths;
}

bool DynamicBackendUtils::IsPathValid(const std::string& path)
{