Date: Tue, 22 Mar 2016 23:39:48 -0700 From: Jack Vogel <jfvogel@gmail.com> To: Adrian Chadd <adrian.chadd@gmail.com> Cc: John Baldwin <jhb@freebsd.org>, "freebsd-arch@freebsd.org" <arch@freebsd.org> Subject: Re: More fine-grained NUMA knobs Message-ID: <CAFOYbc=vhAhpubPygLnHUZqPhD19PjvMbiYR3Kw-aBSVTaZwzQ@mail.gmail.com> In-Reply-To: <CAJ-Vmo=xe-MbFgaDyD-wAX6g4gOeLqy9PZ5AwPX=dp3HX4=Luw@mail.gmail.com> References: <27035442.YCnG4SQ1mX@ralph.baldwin.cx> <CAJ-Vmo=xe-MbFgaDyD-wAX6g4gOeLqy9PZ5AwPX=dp3HX4=Luw@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Cool! Glad to see this happening :) On Tue, Mar 22, 2016 at 8:15 PM, Adrian Chadd <adrian.chadd@gmail.com> wrote: > +1 by me! > > > -a > > > On 22 March 2016 at 17:13, John Baldwin <jhb@freebsd.org> wrote: > > Some of the I/O device affinity stuff such as bus_get_domain() (and the > > bus_get_cpus() I have in review in D5519) are useful on their own right > even > > if the VM system is not doing NUMA-aware allocations. I think it would > be > > useful to be able to enable these two "prongs" of NUMA awareness > > independently. To that end, I have a little strawman patch that adds two > > new kernel options: VM_NUMA_ALLOC and DEVICE_NUMA. I actually think it > is > > probably worth enabling DEVICE_NUMA by default on x86 (and bumping the > > default MAXMEMDOM to, say, 8 (quad-socket haswell)). > > > > You can see the simple patch at: > > > > https://github.com/bsdjhb/freebsd/compare/master...bsdjhb:numa_opts > > > > Thoughts? > > > > -- > > John Baldwin > > _______________________________________________ > > freebsd-arch@freebsd.org mailing list > > https://lists.freebsd.org/mailman/listinfo/freebsd-arch > > To unsubscribe, send any mail to "freebsd-arch-unsubscribe@freebsd.org" > _______________________________________________ > freebsd-arch@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-arch > To unsubscribe, send any mail to "freebsd-arch-unsubscribe@freebsd.org" >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAFOYbc=vhAhpubPygLnHUZqPhD19PjvMbiYR3Kw-aBSVTaZwzQ>