protected function process_memory_info()
    {

        $this->current_mem_use     = (int)memory_get_usage();
        $this->current_mem_peak    = (int)memory_get_peak_usage();
        $this->current_mem_peak_mb = (float)$this->current_mem_peak / 1024 / 1024;
        $this->current_mem_use_mb  = (float)$this->current_mem_use / 1024 / 1024;

        return true;
    }