Might you mean Gentoo? http://dev.gentoo.org/~vapier/s390/
On Fri, Jan 27, 2012 at 3:04 PM, John Campbell <soup...@gmail.com> wrote: > Cameron Seay wrote: > > What would I have to do to get a distro to run on z/VM? I want to run > > Scientific Linux, but there does not appear to be a version for VM. Do I > > need to make modifications in the source code and recompile it? > > The greatest weakness I see to a "Scientific Linux" on a mainframe > (especially under z/VM) is that the workload if heavy on computation-- > the resource most shared-- rather than hammering I/O (which mainframes > have optimized for bandwidth and connectivity). > > Now I've done some heavy number crunching wayyyyy in the past (when a > 120MFLOP array processor was still "hot stuff") and it can hammer a > system flat (all right, so I was working w/ a UNIVAC 1100/80 w/ a > DataWest Array Processor... and I handled microcode and I/O management > to do 3D FFT benchmarks in efforts to sell to oil companies for > exploration) and thinking about sharing CPUs with an instance doing > anything like that kind of workload kinda makes me break out into > hives. > > Remember, a mainframe's CPU is optimized for "best reliable > single-thread performance" (think about balancing B-Trees, for > instance, or the "Merge" phase of sort/merge) and the impact of making > the CPU (or "CP") reliable imposes its own burden (Ref: Appendix "A" > of "Linux for the S/390"). > > Yeah, you can do it. Maybe you'd be best looking (memory failure, > distro name not handy!!!) at the distro that downloads source packages > and compiles them as you build up the system (dammit, I can't believe > the hole in my memory). > > (sighs) > > I can't trust my memory because it isn't accurate: I recall looking a > lot younger 30 years ago. > > -soup > > -- > John R. Campbell Speaker to Machines souperb at gmail dot > com > MacOS X proved it was easier to make Unix user-friendly than to fix Windows > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or > visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > ---------------------------------------------------------------------- > For more information on Linux on System z, visit > http://wiki.linuxvm.org/ > ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
