Method build_blob

src/core/impl/utils/persistent_cache.cpp:259–292

}

PersistentCache::Blob AlgoChooserProfileCache::Key::build_blob() const {
    auto&& ret = m_blob_storage;
    if (!m_blob_storage.empty())
        return {ret.data(), ret.size()};

    ret.reserve(sizeof(TensorLayout) * 3 * m_inp_layouts_size + m_param_size);
    for (size_t i = 0; i < m_inp_layouts_size; ++i) {
        auto&& ly = m_inp_layouts_ptr[i];
        for (size_t j = 0; j < ly.ndim; ++j) {
            if (j)
                ret.push_back(',');
            ret.append(std::to_string(ly.shape[j]));
        }
        if (!ly.is_contiguous()) {
            ret.push_back(';');
            for (size_t j = 0; j < ly.ndim; ++j) {
                if (j)
                    ret.push_back(',');
                ret.append(std::to_string(ly.stride[j]));
            }
        }
        ret.push_back(';');
        ret.append(ly.dtype.name());
        ret.push_back('|');
        mgb_assert(
                ly.format.is_default() ||
                        (ly.format.is_lowbit_aligned() && ly.dtype.is_low_bit()),
                "currently only default format is supported");
    }
    if (m_param_size) {
        ret.append(reinterpret_cast<const char*>(m_param), m_param_size);
    }
    return {ret.data(), ret.size()};
}

#undef ENGRY_FMT