This is documentation for Mathematica 7, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.1)


is an option for plotting and various other algorithmic functions that specifies what aspect of performance to try to optimize with Automatic settings for options.
"Quality"optimize for quality of final results
"Speed"optimize for speed of getting results
PerformanceGoal usually uses different settings when Manipulate controls are active:
Compare the results for each setting of PerformanceGoal:
By default PerformanceGoal is set to $PerformanceGoal:
$PerformanceGoal is effectively ControlActive["Speed", "Quality"]:
New in 6