How the performance will be affected if multiple user run a BIP report at the same time?

Summary:

How the performance will be affected if multiple user run a BIP report at the same time?

Content (required):

If multiple users run the same BIP report at the same time, will the performance affected?

If yes, how many users could be the limit, and how much it will affect the performance?

For example, there is a report have large size output, so it may take 30 mins to finish, what if multiple users run it at the same time? Will the time be longer?