Efficient way to create vpi handles and callbacks

Hello Everyone,

Currently I am using following VPI calls to create handles and callbacks to my design hierarchal signals.

vpiHandle handle = vpi_handle_by_name( , );

cb_handle = vpi_register_cb(&cb_data);

Issue is that, for "n" number of nodes I need to call these commands "n" times and as the number of signals increases this whole process becomes significantly time taking.

 Is there any more efficient and  faster way to create multiple handles/callbacks in one go. I need to create millions of such handles and call backs.

I will really appreciate any inputs on this.

Thanks,