stressapptest binary package in Ubuntu Bionic amd64

 Stressful Application Test (or stressapptest, its unix name) tries to maximize
 randomized traffic to memory from processor and I/O, with the intent of
 creating a realistic high load situation in order to test the existing hardware
 devices in a computer.
 .
 Stressapptest may be used for various purposes:
  * stress test
  * hardware qualification and debugging
  * memory interface test
  * disk testing

Source package