weiner@novavax.UUCP (Bob Weiner) (01/21/89)
I haven't seen anything on this topic so I figured I would ask the net. We recently bought 9 DN4500's (68030-based) and run them on a net which has only 68020 and 68030 nodes. My question is: are all of our UNIX/AEGIS commands that are part of SR10 compiled to run on the 68000? If so, isn't this a large performance penalty that many sites could do without? And is a 68020 based version of the OS available? Thanks, for any help. Bob -- Bob Weiner, Motorola, Inc., USENET: ...!gatech!uflorida!novavax!weiner (407) 738-2087
mishkin@apollo.COM (Nathaniel Mishkin) (01/24/89)
In article <926@novavax.UUCP> weiner@novavax.UUCP (Bob Weiner) writes: >I haven't seen anything on this topic so I figured I would ask the >net. We recently bought 9 DN4500's (68030-based) and run them on a >net which has only 68020 and 68030 nodes. My question is: are all of >our UNIX/AEGIS commands that are part of SR10 compiled to run on the >68000? If so, isn't this a large performance penalty that many sites >could do without? And is a 68020 based version of the OS available? The kernels for all the newer machines (3x00, 4x00) are built using compiler options that tell the compiler that it's OK to use 68020 features. However, virtually all (if not all) user-space software is built in such a way that it runs on all 680x0. Given what I understand to be a pretty low payoff, I think it would be a pretty big headache both for Apollo developers and Apollo customers if we had to haul around multiple versions of (say) "/bin/ls" (i.e. 68000 and 68020 versions). Of course users can choose to built their own software however they want. (I.e. if they don't have any non 020/030 machines, they might want to build using "-cpu 68020".) -- -- Nat Mishkin Apollo Computer Inc., Chelmsford, MA mishkin@apollo.com