Is Ubuntu 19.04 able to support Intel Core i9-9980XE Extreme Edition or AMD Ryzen 9 3950X?

Kevin O'Gorman kogorman at gmail.com
Sat Jul 20 22:17:15 UTC 2019


I've got a desktop from System76 that's running dual Xeon E5-2620 cpus, 16
cores and 32 threads.  No problem.  I could have ordered more cores and
faster everything.  No problem.  They have even better stuff now.

On Fri, Jul 19, 2019 at 1:24 AM Bret Busby <bret.busby at gmail.com> wrote:

> On 19/07/2019, Ralf Mardorf via ubuntu-users
> <ubuntu-users at lists.ubuntu.com> wrote:
> > Hi,
> >
> > since it's Friday [1], did you notice the power consumption of those
> > CPUs?
> >
> > On Thu, 2019-07-18 at 16:39 +0000, Turritopsis Dohrnii Teo En Ming wrote:
> >> Intel Core i9-9980XE
> >
> > TDP 165 W
> >
> >> AMD Ryzen 9 3950X
> >
> > TDP 105 W
> >
> > OTOH depending on the tasks you are doing a CPU with less power
> > consumption, that takes way longer to do the same, could have a less
> > good energy efficiency. Even if such a CPU would make sense for
> > something I might need to do, I couldn't pay my German power bill
> > anymore. Fortunately it wouldn't make sense for what I'm doing with my
> > computers.
> >
> > This is the output of an Ubuntu 16.04 x86_64 kernel:
> >
> > $ grep NR_CPUS config-4.4.0-154-lowlatency
> > CONFIG_NR_CPUS=512
> >
> > IOW by default x86_64 Ubuntu kernels are obviously limited to 512 cores.
> >
> > Depending on what you try to achieve, you might need to assign processes
> > to cores by command line, the automated assignment not necessarily knows
> > what you try to achieve.
> >
> > If I would guess, that I could benefit from such an amount of CPUs, I
> > would ask the subscribers of this or a more specialized list regarding
> > experiences with those and/or similar machines for a specific purpose.
> >
> > Using such CPUs doesn't make sense for a lot of tasks. Those CPUs are
> > most likely very useful for some tasks, but after you installed Ubuntu
> > to a machine with such a CPU, you most likely have to do a lot of work
> > yourself. I seriously doubt that the automated assignment of CPUs to
> > processes does the right thing for a specific purpose.
> >
> > Btw. you need to ensure that the firmware of the motherboards that could
> > use all cores of such new CPUs, does work flawlessly with Linux.
> >
> > Regards,
> > Ralf
> >
> > [1] https://www.fridaysforfuture.org/
> >
> >
> >
>
> From what I have seen of the promotional material for the i9 systems,
> they are primarily designed and promoted (at this time), for the same
> purpose as the once most powerful computer to be found in a household
> - the Nintendo 64, for gaming.
>
> From what I understand, gaming people are more concerned with gaming,
> than the cost of the resources (including, in this case,
> electrickery). My local (real) computer shop even sells special racing
> gaming office chairs, for hundreds of AUD,for gamers, with special
> padding and safety harnesses, so they don't fall out.
>
> Given that i9 systems can, I believe, run up to 192GB of RAM, and, the
> costs of the i9 systems, I think costs are not so important for people
> with i9 systems.
>
> But, with all of that, I expect that Ubuntu Linux would likely be the
> OS most likely to make best use if the i9 capabilities. I remember,
> many years ago, when it was still a relatively new CPU on the market,
> a hardware lecturer telling the class that UNIX was the only OS
> capable of making full use of the capabilities of the 80486 CPU, and,
> with my elsewhere stated experience of Ubuntu Linux and the Haswell
> architecture and the nVIDIA Optimus thingy, I expect that Ubuntu Linux
> would likely be the best OS for handling cutting edge new CPU
> architecture.
>
> Of course, I could be wrong...
>
> I suggest, as has been the advice over the years - get a LiveCD Ubuntu
> iso DVD, (or, USB drive, if the computer is not sufficiently advanced,
> to have a DVD drive), stick it in the drive of such a system, boot it
> up, and, see how it goes, and, what of the hardware, it detects.
>
> --
> Bret Busby
> Armadale
> West Australia
> ..............
>
> "So once you do know what the question actually is,
>  you'll know what the answer means."
> - Deep Thought,
>  Chapter 28 of Book 1 of
>  "The Hitchhiker's Guide to the Galaxy:
>  A Trilogy In Four Parts",
>  written by Douglas Adams,
>  published by Pan Books, 1992
>
> ....................................................
>
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-- 
Kevin O'Gorman
#define QUESTION ((bb) || (!bb))   /* Shakespeare */

Please consider the environment before printing this email.
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