> On Feb 17, 2017, at 1:42 PM, Charles Srstka via swift-evolution > <swift-evolution@swift.org> wrote: > > - Much better performance. In my testing, updating the completedUnitProperty, > with something observing it, takes 1.04 seconds on my 2013 Retinabook, > compared with NSProgress’s 52.91 seconds (58.53 seconds if an autorelease > pool is used). This frees back-end code from the responsibility of being > adulterated with what is effectively UI code in order to determine when the > progress object should be updated.
This should have said “updating the completedUnitProperty one million times, with something observing it.” I eagerly await the implementation of our new forum, hopefully with an edit feature, with bated breath. Charles
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