If you're having problems running BF Hardline try our guide: http://n4g.com/news/1526580...
It probably depends on how you complete the game (e.g., talking to NPCs, quests, etc), but I'm guessing it's the core gameplay that is very short.
Still, 8-10 hours seems reasonable for this type of game.
Let's hope this optimization doesn't lead to more crashes and errors. Here's a fix guide http://n4g.com/news/1332146...
This is an early list, so hopefully the devs get to fix the bugs before official launch day.
😂