* Scalability Question @ 2014-07-04 20:40 Nick Krause 2014-07-05 3:24 ` Mike Galbraith 0 siblings, 1 reply; 5+ messages in thread From: Nick Krause @ 2014-07-04 20:40 UTC (permalink / raw) To: linux-kernel I am curious after reading some outdated kernel papers, how scalable is the kernel of late? I am curious mostly in memory and cpu subsystems as file systems will change based on user's choice. Nicholas Krause ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Scalability Question 2014-07-04 20:40 Scalability Question Nick Krause @ 2014-07-05 3:24 ` Mike Galbraith 2014-07-05 3:33 ` Nick Krause 0 siblings, 1 reply; 5+ messages in thread From: Mike Galbraith @ 2014-07-05 3:24 UTC (permalink / raw) To: Nick Krause; +Cc: linux-kernel On Fri, 2014-07-04 at 16:40 -0400, Nick Krause wrote: > I am curious after reading some outdated kernel papers, how scalable > is the kernel of > late? I am curious mostly in memory and cpu subsystems as file systems > will change > based on user's choice. You can currently configure for up to 8192 CPUs. I've not seen any benchmark data whatsoever for huge boxen, have no idea where which subsystem crumbles. SGI asked for the increase to 8192, so presumably do manage to squeeze acceptable performance out of size XXXXL boxen. -Mike ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Scalability Question 2014-07-05 3:24 ` Mike Galbraith @ 2014-07-05 3:33 ` Nick Krause 2014-07-05 3:44 ` Richard Weinberger 0 siblings, 1 reply; 5+ messages in thread From: Nick Krause @ 2014-07-05 3:33 UTC (permalink / raw) To: Mike Galbraith; +Cc: linux-kernel The most powerful super computer runs Ubuntu with over 3.2 million cores. There fore I can state that Linux is very good at scaling as I have seem the other side with embedded systems. Cheers Nick On Fri, Jul 4, 2014 at 11:24 PM, Mike Galbraith <umgwanakikbuti@gmail.com> wrote: > On Fri, 2014-07-04 at 16:40 -0400, Nick Krause wrote: >> I am curious after reading some outdated kernel papers, how scalable >> is the kernel of >> late? I am curious mostly in memory and cpu subsystems as file systems >> will change >> based on user's choice. > > You can currently configure for up to 8192 CPUs. I've not seen any > benchmark data whatsoever for huge boxen, have no idea where which > subsystem crumbles. SGI asked for the increase to 8192, so presumably > do manage to squeeze acceptable performance out of size XXXXL boxen. > > -Mike > ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Scalability Question 2014-07-05 3:33 ` Nick Krause @ 2014-07-05 3:44 ` Richard Weinberger 2014-07-05 3:54 ` Nick Krause 0 siblings, 1 reply; 5+ messages in thread From: Richard Weinberger @ 2014-07-05 3:44 UTC (permalink / raw) To: Nick Krause; +Cc: Mike Galbraith, linux-kernel On Sat, Jul 5, 2014 at 5:33 AM, Nick Krause <xerofoify@gmail.com> wrote: > The most powerful super computer runs Ubuntu with over 3.2 million cores. These kind of computers don't run a single kernel. See grid computing. > There fore I can state that Linux is very good at scaling as I have seem > the other side with embedded systems. > Cheers Nick > > On Fri, Jul 4, 2014 at 11:24 PM, Mike Galbraith > <umgwanakikbuti@gmail.com> wrote: >> On Fri, 2014-07-04 at 16:40 -0400, Nick Krause wrote: >>> I am curious after reading some outdated kernel papers, how scalable >>> is the kernel of >>> late? I am curious mostly in memory and cpu subsystems as file systems >>> will change >>> based on user's choice. >> >> You can currently configure for up to 8192 CPUs. I've not seen any >> benchmark data whatsoever for huge boxen, have no idea where which >> subsystem crumbles. SGI asked for the increase to 8192, so presumably >> do manage to squeeze acceptable performance out of size XXXXL boxen. >> >> -Mike >> > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- Thanks, //richard ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Scalability Question 2014-07-05 3:44 ` Richard Weinberger @ 2014-07-05 3:54 ` Nick Krause 0 siblings, 0 replies; 5+ messages in thread From: Nick Krause @ 2014-07-05 3:54 UTC (permalink / raw) To: Richard Weinberger; +Cc: Mike Galbraith, linux-kernel That's true. Cheers Nick On Fri, Jul 4, 2014 at 11:44 PM, Richard Weinberger <richard.weinberger@gmail.com> wrote: > On Sat, Jul 5, 2014 at 5:33 AM, Nick Krause <xerofoify@gmail.com> wrote: >> The most powerful super computer runs Ubuntu with over 3.2 million cores. > > These kind of computers don't run a single kernel. > See grid computing. > >> There fore I can state that Linux is very good at scaling as I have seem >> the other side with embedded systems. >> Cheers Nick >> >> On Fri, Jul 4, 2014 at 11:24 PM, Mike Galbraith >> <umgwanakikbuti@gmail.com> wrote: >>> On Fri, 2014-07-04 at 16:40 -0400, Nick Krause wrote: >>>> I am curious after reading some outdated kernel papers, how scalable >>>> is the kernel of >>>> late? I am curious mostly in memory and cpu subsystems as file systems >>>> will change >>>> based on user's choice. >>> >>> You can currently configure for up to 8192 CPUs. I've not seen any >>> benchmark data whatsoever for huge boxen, have no idea where which >>> subsystem crumbles. SGI asked for the increase to 8192, so presumably >>> do manage to squeeze acceptable performance out of size XXXXL boxen. >>> >>> -Mike >>> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> Please read the FAQ at http://www.tux.org/lkml/ > > > > -- > Thanks, > //richard ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2014-07-05 3:54 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2014-07-04 20:40 Scalability Question Nick Krause 2014-07-05 3:24 ` Mike Galbraith 2014-07-05 3:33 ` Nick Krause 2014-07-05 3:44 ` Richard Weinberger 2014-07-05 3:54 ` Nick Krause
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