Performance testing is done to provide stakeholders
with information about their application regarding speed, stability and
scalability. More importantly, performance testing uncovers what needs to be
improved before the product goes to market. Without performance testing,
software is likely to suffer from issues such as: running slow while several
users use it simultaneously, inconsistencies across different operating systems
and poor usability. Performance testing will determine whether or not their
software meets speed, scalability and stability requirements under expected
workloads. Applications sent to market with poor performance metrics due to
nonexistent or poor performance testing are likely to gain a bad reputation and
fail to meet expected sales goals. Also, mission critical applications like
space launch programs or life saving medical equipments should be performance
tested to ensure that they run for a long period of time without deviations
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