Performance Testing is a testing to ensure the the performance requirements of the program under real-world conditions. It includes but not limited to performance testing, stress testing and testing under load. It plays an important part in #202206201159.
Depending on the situation, a specialised testing hardware or software might be needed in order to mimic the real-world scenario.
Furthermore, 202206201335# can be applied on this kind of testing in order to capture the discrepancy of the performance between the previous version and the current version of the software.