No. It's not realistic to get an improvement that way. FPGAs can provide improvement in some important cases but the system design (software and hardware co-des

No. It's not realistic to get an improvement that way. FPGAs can provide improvement in some important cases but the system design (software and hardware co-design) is radically different. You can't expect to iterate your way there when you're starting with a conventional software-only system running on a generic white-box server.