text_combined: philipp thomas xoktndvnakhjptlinkde wed 20 feb 2008 180433 0800 randall r schulz wrote better rule thumb never run 64bit processor tasks dont require address space affords better rule thumb rather slim margin pros x8664 ive yet seen instance compiler able things better x8664 theres quite additional registers available split address space kernel user space differently x8664 user space gets quite bit plus served discover lots sloppy programming revealed int long length thats benefit programmers users memory mapping files pae wont help one bit youre limited range 32 bit pointer philipp thu 07 aug 2008 133709 0100 opensuse 35 gb ram rest missing