Performance of Zingg Compared to Pre-built Models and Parallel Execution Best Practices

Hi, I have to provide performance data of Zingg against pre built models to my management, if I add 2-3 rows Zingg is still taking almost the same time so can we say that it is useful in large data sets mostly Also, can I run multiple instances of Zingg in parallel for different configs operating on the same database tables but different records, what all we need to take care of,