Method alloc

src/core/impl/utils/mempool.cpp:19–43

}

void* MemPoolStorage::alloc(size_t elem_size) {
    constexpr size_t MAX_BUF_SIZE = 32 * 1024;  // max 32 KiB per buf
    if (!m_free.empty()) {
        auto ptr = m_free.back();
        m_free.pop_back();
        return ptr;
    }
    if (m_cur_buf_pos >= m_cur_buf_size_bytes) {
        auto buf_size = m_cur_buf_size_bytes;
        if (!buf_size) {
            buf_size = elem_size * 2;
        }
        buf_size = std::min(buf_size * 2, 2048 * elem_size);
        if (buf_size > MAX_BUF_SIZE) {
            buf_size = std::max<size_t>(
                    MAX_BUF_SIZE - MAX_BUF_SIZE % elem_size, 16 * elem_size);
        }
        m_buf.emplace_back(new uint8_t[buf_size]);
        m_cur_buf_pos = 0;
        m_cur_buf_size_bytes = buf_size;
    }
    auto ptr = m_buf.back().get() + m_cur_buf_pos;
    m_cur_buf_pos += elem_size;
    return ptr;
}

void MemPoolStorage::free(void* ptr) {
    if (!m_disable_freelist)