On Tue, Nov 27, 2018 at 07:38:18AM +0100, Brice Goglin wrote:
> Le 27/11/2018 à 02:05, Segher Boessenkool a écrit :
> > Cool stuff :-)
> > gcc110 (a power7, 2 packages, 16 cores, 64 threads):
> > $ hwloc-ls -s --no-io
> > depth 0:1 Machine (type #1)
> > depth 1: 2 NUMANode (type #2)
> > de
On Tue, Nov 27, 2018 at 12:48 AM Baptiste Jonglez via cfarm-users
wrote:
> On 25-11-18, Segher Boessenkool via cfarm-users wrote:
> > On Sun, Nov 25, 2018 at 01:14:31PM +0100, Stefan Ring via cfarm-users wrote:
> > > On Sun, Nov 25, 2018 at 10:25 AM Baptiste Jonglez via cfarm-users
> > > wrote:
>
Le 27/11/2018 à 02:05, Segher Boessenkool a écrit :
> Cool stuff :-)
> gcc110 (a power7, 2 packages, 16 cores, 64 threads):
> $ hwloc-ls -s --no-io
> depth 0: 1 Machine (type #1)
> depth 1: 2 NUMANode (type #2)
> depth 2:16 Package (type #3)
>depth 3: 16 L3Cache (type #4)
>
On Tue, Nov 27, 2018 at 12:10:27AM +0100, Brice Goglin via cfarm-users wrote:
> Instead of hardwiring Linux-specific things, many projects now just use
> hwloc [1] to get such kind of topology information in a portable way
> (that's what I use cfarm for). On the command-line, you'd just do
> "hwloc
Le 27/11/2018 à 00:01, Segher Boessenkool via cfarm-users a écrit :
>
>> Ansible parses /proc/cpuinfo:
>>
>>
>> https://github.com/ansible/ansible/blob/devel/lib/ansible/module_utils/facts/hardware/linux.py#L181
>>
>> Do you know how lscpu gets its information?
> It uses /proc/cpuinfo, and /sys/
On Mon, Nov 26, 2018 at 10:46:39PM +0100, Baptiste Jonglez wrote:
> On 25-11-18, Segher Boessenkool via cfarm-users wrote:
> > On Sun, Nov 25, 2018 at 01:14:31PM +0100, Stefan Ring via cfarm-users wrote:
> > > On Sun, Nov 25, 2018 at 10:25 AM Baptiste Jonglez via cfarm-users
> > > wrote:
> > > >
>
On Nov 26 2018, Baptiste Jonglez via cfarm-users
wrote:
> Do you know how lscpu gets its information?
It uses /sys/devices/system/cpu.
Andreas.
--
Andreas Schwab, sch...@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1
"And now for something completely
Hey everyone.
Anecdotally,
strace lscpu 2> logfile
cat logfile
shows a number of parses of /sys followed by some parsing of /proc
specifically:
open("/proc/cpuinfo", O_RDONLY) = 3
uname({sysname="Linux", nodename="cgraff1-host", ...}) = 0
fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}
On 25-11-18, Segher Boessenkool via cfarm-users wrote:
> On Sun, Nov 25, 2018 at 01:14:31PM +0100, Stefan Ring via cfarm-users wrote:
> > On Sun, Nov 25, 2018 at 10:25 AM Baptiste Jonglez via cfarm-users
> > wrote:
> > >
> > > According to ansible [https://cfarm.tetaneutral.net/machines/list/] gcc
On Mon, Nov 26 2018, David Edelsohn wrote:
> On Sun, Nov 25, 2018 at 6:16 PM Ævar Arnfjörð Bjarmason
> wrote:
>>
>>
>> +CC cfarm-admins@
>>
>> On Sun, Nov 25 2018, David Edelsohn via cfarm-users wrote:
>>
>> > On Sat, Nov 24, 2018 at 5:53 PM Segher Boessenkool via cfarm-users
>> > wrote:
>> >>
On Sun, Nov 25, 2018 at 6:16 PM Ævar Arnfjörð Bjarmason
wrote:
>
>
> +CC cfarm-admins@
>
> On Sun, Nov 25 2018, David Edelsohn via cfarm-users wrote:
>
> > On Sat, Nov 24, 2018 at 5:53 PM Segher Boessenkool via cfarm-users
> > wrote:
> >>
> >> Hi!
> >>
> >> On Sat, Nov 24, 2018 at 11:28:58PM +010
+CC cfarm-admins@
On Sun, Nov 25 2018, David Edelsohn via cfarm-users wrote:
> On Sat, Nov 24, 2018 at 5:53 PM Segher Boessenkool via cfarm-users
> wrote:
>>
>> Hi!
>>
>> On Sat, Nov 24, 2018 at 11:28:58PM +0100, Ævar Arnfjörð Bjarmason via
>> cfarm-users wrote:
>> > I got access to the farm a
On Sat, Nov 24, 2018 at 5:53 PM Segher Boessenkool via cfarm-users
wrote:
>
> Hi!
>
> On Sat, Nov 24, 2018 at 11:28:58PM +0100, Ævar Arnfjörð Bjarmason via
> cfarm-users wrote:
> > I got access to the farm a while ago to test free software projects I
> > work on, mainly git.git. I wanted to send
On Sun, Nov 25, 2018 at 02:57:09PM +0100, Ævar Arnfjörð Bjarmason wrote:
> On Sun, Nov 25 2018, Segher Boessenkool via cfarm-users wrote:
> > On Sun, Nov 25, 2018 at 10:23:41AM +0100, Baptiste Jonglez wrote:
> >> On 24-11-18, Segher Boessenkool via cfarm-users wrote:
> >> > On Sat, Nov 24, 2018 at
On Sun, Nov 25 2018, Segher Boessenkool via cfarm-users wrote:
> On Sun, Nov 25, 2018 at 10:23:41AM +0100, Baptiste Jonglez wrote:
>> On 24-11-18, Segher Boessenkool via cfarm-users wrote:
>> > On Sat, Nov 24, 2018 at 11:28:58PM +0100, Ævar Arnfjörð Bjarmason via
>> > cfarm-users wrote:
>> > > I
On Sun, Nov 25, 2018 at 01:14:31PM +0100, Stefan Ring via cfarm-users wrote:
> On Sun, Nov 25, 2018 at 10:25 AM Baptiste Jonglez via cfarm-users
> wrote:
> >
> > According to ansible [https://cfarm.tetaneutral.net/machines/list/] gcc112
> > has 160 cores, and gcc135 has 128 cores. Is ansible gett
On Sun, Nov 25, 2018 at 10:23:41AM +0100, Baptiste Jonglez wrote:
> On 24-11-18, Segher Boessenkool via cfarm-users wrote:
> > On Sat, Nov 24, 2018 at 11:28:58PM +0100, Ævar Arnfjörð Bjarmason via
> > cfarm-users wrote:
> > > I've tried to be conservative about resources. It's all nice -n 19'd,
>
On Sun, Nov 25, 2018 at 10:25 AM Baptiste Jonglez via cfarm-users
wrote:
>
> According to ansible [https://cfarm.tetaneutral.net/machines/list/] gcc112
> has 160 cores, and gcc135 has 128 cores. Is ansible getting this wrong?
8 threads per core. It really does not make sense to target more than
Hi,
On 24-11-18, Segher Boessenkool via cfarm-users wrote:
> On Sat, Nov 24, 2018 at 11:28:58PM +0100, Ævar Arnfjörð Bjarmason via
> cfarm-users wrote:
> > I got access to the farm a while ago to test free software projects I
> > work on, mainly git.git. I wanted to send a headsup about what I've
Hi!
On Sat, Nov 24, 2018 at 11:28:58PM +0100, Ævar Arnfjörð Bjarmason via
cfarm-users wrote:
> I got access to the farm a while ago to test free software projects I
> work on, mainly git.git. I wanted to send a headsup about what I've been
> up to.
>
> I'm setting up something where the integrat
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