why loading bars jump around instead of smoothly increasing percent?

Question

3%. 5%. 34%! 97%! 97… 98…

In: Technology

Answer 1

For a game, it would be because loading the mapping, the models, the textures, and lighting.
The amount of time spent on each of them isn’t equal, and it can’t tell how much it has loaded, until after it has done that. the textures themselves could cause the jump from 12% to 74%
Compare to downloading a file, where it is know how big it is, and so can know how much of it, it has recieved.