When copying or moving files (in Windows for this example) it shows you the speed at which the transfer is currently happening. However this is very rarely a constant rate and can vary wildly from second to second. What factors are involved in affecting this speed?
In: Technology
When your computer copies a file, there are some steps that take the same amount of time regardless of the size of the file, and there is a step that takes longer when the file is longer– namely, copying the actual data. Because of this, there is a difference in time between, say, copying 1 file that is 1GB, and copying 10000 files that add up to 1GB.
The larger the number of files, the longer it will take to copy that amount of data.
Windows’s file copy progress bar displays things as a percentage of the amount of data copied. So during the copy process, if it gets a bunch of small files in a row, it will slow down. If it gets mostly large files in a row, it will speed up.
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