Why do software installation or updates always go very fast up to 90% complete, then the last 5-10% takes so much longer?
In: Technology
I’ve actually developed loading bars for applications before.
99 times out of 100 a loading bar is set by dividing the number of tasks to accomplish by the number of tasks already accomplished. Rarely is there any consideration to the length of time it takes to do a task. If there is, it’s a best guess. Not many people want to pay for time studies to get it to be a realistic loading bar. They just want a notification of progress so they don’t think the application is frozen.
Just for kicks and giggles. I have done a time study on an application loading and normalized the loading bar to be fairly accurate as a countdown. On the computer I was developing with. I transferred the application to a user’s computer and it was way off. (Maybe my HD was fast or slower than the user’s, or their network connection was flaky. Who knows. There’s a million reasons).
Not saying you can’t figure it out, but no one is going to pay a developer to do it.
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