lowchecker.pdf
I've emailed them to see if the code is going to be available
as it could be quite a handy tool to have when trying to track
down issues like the one Sébastien posted about.
cheers,
Chris
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences
ock.
Hmm, we've had a report from someone trying to use Ray on
our BG/P that they've seen it lock up - is it likely to be
the same issue ?
cheers,
Chris
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computational Initiative
Email: sam...@unimelb.e
rful, thank you! :-)
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computational Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.unimelb.edu.au/
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Version: GnuPG v1.4.10 (GNU/Linux)
Comment: U
spect, from which it is derived):
[root@bruce-m openmpi-1.4.2]# find . -name tm
./orte/mca/plm/tm
./orte/mca/ras/tm
cheers!
Chris
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 18/08/11 23:11, Jeff Squyres wrote:
> 1.4.4
Haven't been keeping up I'm afraid - is 1.4.4 backwards
compatible with 1.4.2 ?
cheers!
Chris
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Science
98]
[bruce002:04048] [11] /lib64/libc.so.6(__libc_start_main+0xf4) [0x3e12a1d994]
[bruce002:04048] [12] ./tp_lb_ub_ng [0x400af9]
[bruce002:04048] *** End of error message ***
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam
ging about (for example):
Local host: bruce001
File Name:
/vlsci/tmp/979325.bruce-m.vlsci.unimelb.edu.au/openmpi-sessions-samuel@bruce001_0/14488/1/shared_mem_pool.bruce001
Is there a way to tell it to use /tmp without changing what
$TMPDIR is set to ?
cheers,
Chris
- --
Christopher
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On 14/12/11 09:21, Jeff Squyres wrote:
> On Dec 13, 2011, at 1:10 AM, Christopher Samuel wrote:
>
> > I think you want s/settings/setting/ there.
>
> Fixed! Thanks.
Not a problem.
> > Also I can not seem to make it accept
MPI usage"), here are sm pingpong latencies
> (using 1.4.3) for session dirs on Lustre, an SSD and tmpfs:
Very interesting, no measurable difference (maybe even tmpfs being a
touch slower)..
Is that benchmark public ?
cheers!
Chris
- --
Christopher Samuel - Senior Systems Administrato
memory backed filesystems with the same benchmark.
+1 to be able to disable this warning via an MCA parameter.
cheers,
Chris
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903
mpi/ticket/2937
That's great - much appreciated!
cheers,
Chris
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.unimelb.edu.au/
-BEGIN PGP S
until 1.4.6 appears.
cheers!
Chris
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.unimelb.edu.au/
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.11 (GNU/Linux
you have any figures comparing some code with and without CMA ?
cheers,
Chris
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.unimelb.edu.au/
-
know does a lot of comms and is latency
sensitive), but my Copious Free Time(tm) appears to have run out for the
moment. :-(
But certainly very interesting..
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unim
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On 20/01/12 04:55, Jeff Squyres wrote:
> Please test:
Great - we can now silence that warning for NFS, thanks!
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email:
GCC with its plugin
architecture ?
cheers!
Chris
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.unimelb.edu.au/
-BEGIN PGP SIGNATURE-
Versi
com/ResLibSearchResult.aspx?keywords=openpbs
Does anyone test against it?
cheers,
Chris
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.unimelb.edu.au/
-BEGIN
1.5.5rc2/ompi/contrib/vt'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/tmp/chris/openmpi-1.5.5rc2/ompi'
make: *** [all-recursive] Error 1
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@u
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 24/02/12 15:12, Christopher Samuel wrote:
> I suspect this is irrelevant, but I got a build failure trying to
> compile it on our BG/P front end node (login node) with the IBM XL
> compilers.
Oops, forgot how I built it..
export
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On 13/02/12 22:11, Matthias Jurenz wrote:
> Do you have any idea? Please help!
Do you see the same bad latency in the old branch (1.4.5) ?
cheers,
Chris
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Scien
-BEGIN PGP SIGNED MESSAGE-
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On 29/02/12 07:44, Jeffrey Squyres wrote:
> - BlueGene fixes
rc3 fixes the builds on our front end node, thanks!
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email:
r
> 1.6.0).
What symptoms would an affected job show? Does it fail with an OMPI
error or does it just hang using 0% CPU?
cheers,
Chris
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0
-BEGIN PGP SIGNED MESSAGE-
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On 16/03/12 08:14, Shamis, Pavel wrote:
> I did not get any patch.
It arrived OK here, you can get it from the archive:
http://www.open-mpi.org/community/lists/devel/2012/03/10717.php
- --
Christopher Samuel - Senior Systems Administra
FOR A PARTICULAR PURPOSE.
Hope this is of use!
cheers,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://twitter.com/vlsci
-BEG
alk?day=thursday
Is there interest from OMPI in supporting this, given it looks like
it's quite likely to make it into the mainline kernel?
Or is better to wait for it to be merged, and then take a look?
All the best,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI
plan or not!
Thoughts please?
All the best,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://twitter.com/vlsci
-BEGIN PGP
at 1.6.
Thanks so much to you all!
All the best,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://twitter.com/vlsci
-BEGIN
l the best,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://twitter.com/vlsci
-BEGIN PGP SIGNATURE-
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yet.
> Brice: do the Phis appear in the hwloc topology object?
They appear in lstopo as mic0 and mic1.
> Chris: can you run lstopo on one of the nodes and send me the
> output (off-list)?
One of the hosts? Not a problem, will do.
All the best!
Chris
- --
Christopher SamuelSenio
ther
> nodes.
Gotcha.
> Solving the first two is relatively straightforward. In my mind,
> the primary issue is the last one - does anyone know if a process
> on the Phi's can "see" interconnects like a TCP NIC or an
> Infiniband adaptor?
I'm not sure, but I
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On 03/05/13 14:30, Ralph Castain wrote:
> On May 2, 2013, at 9:18 PM, Christopher Samuel
> wrote:
>
>> We're using Slurm, and it supports them already apparently, so I'm
>> not sure if that helps?
>
> It doe
ng like this, or got any ideas?
cheers,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://twitter.com/vlsci
-BEGIN PGP SIGNATURE
run as they will be used to from our other Intel
systems and to only use srun if the code requires it (one or two
commercial apps that use Intel MPI).
Can I ask, if the PMI2 ideas work out is that likely to get backported
to OMPI 1.6.x ?
All the best,
Chris
- --
Christopher Samuel
to see if it resolves the difference.
When I've got the current rush out of the way I'll try a private build
of 1.7 and see how that goes with NAMD.
cheers!
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Ini
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 23/07/13 17:06, Christopher Samuel wrote:
> Bringing up a new IBM SandyBridge cluster I'm running a NAMD test
> case and noticed that if I run it with srun rather than mpirun it
> goes over 20% slower.
Following on from this issu
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On 07/08/13 16:18, Christopher Samuel wrote:
> Anyone seen anything similar, or any ideas on what could be going
> on?
Apologies, forgot to mention that Slurm is set up with:
# ACCOUNTING
JobAcctGatherType=jobacct_gather
-BEGIN PGP SIGNED MESSAGE-
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On 07/08/13 16:19, Christopher Samuel wrote:
> Anyone seen anything similar, or any ideas on what could be going
> on?
Sorry, this was with:
# ACCOUNTING
JobAcctGatherType=jobacct_gather/linux
JobAcctGatherFrequency=30
Since those initial
is using more than its allowed memory per tasks,
but I'm not sure I understand how that could lead to Slurm thinking
the job is using vastly more memory than it actually is though.
cheers,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computa
love to be able to test this out if we can as I currently see a
60% penalty with srun with my test NAMD job from our tame MM person.
thanks!
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.ed
issues with it so far.
In the long term I suspect the jobacct_gather/cgroup plugin will give
better numbers once it's had more work.
All the best,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimel
rush to
try and get this done before I need to leave for the day). :-(
cheers,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://twi
are:
(gdb) print remainder
$1 = (struct malloc_chunk *) 0x2008e5700
(gdb) print remainder_size
$2 = 0
ANy ideas?
cheers,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0
o you get the same behavior if you disable ptmalloc in OMPI?
> (your IB large message bandwidth will suffer a bit, though)
Not tried that, but I'll take a look at it if it doesn't seem possible
to fix it with a change to the default memory limits (that'll be the
least intrusive).
_disable=1 I don't get the crash at all,
or the spin with the Intel compiler build. Nice!
Thanks for this, I'll take a look further next week..
Very much obliged,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Ini
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On 30/08/13 16:01, Christopher Samuel wrote:
> Thanks for this, I'll take a look further next week..
The code where it's SEGV'ing is here:
/* check that one of the above allocation paths succeeded */
if ((unsigned long)(size)
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On 02/09/13 15:40, Christopher Samuel wrote:
> It dies when it does:
>
> set_head(remainder, remainder_size | PREV_INUSE);
>
> where remainder_size=0.
Ignore that, I've shown it to someone who is actually a programmer and
w
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On 02/09/13 16:32, Christopher Samuel wrote:
> I cannot duplicate this under valgrind or gdb and given that this
> doesn't happen every time I run it and gdb indicates there are at
> least 2 threads running then we're wonderin
flat out!
All the best,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://twitter.com/vlsci
-BEGIN PGP SIGNATURE-
Version: Gnu
y release
> it soon.
Stupid question, but never having played with PMI before is it just
the case of appending the --with-pmi option to our current configure?
thanks,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation
r29103 with mpirun - 8341 seconds
Open-MPI 1.7.3a1r29103 with srun - 7476 seconds
So that's about 11% faster, and the mpirun speed has decreased though
of course that's built using PMI so perhaps that's the cause?
cheers,
Chris
- --
Christopher SamuelSenior Systems Administra
sr/local/${BASE} --with-slurm --with-openib
--enable-static --enable-shared
make -j
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://
t's doing a lot more than that and has a
reputation for being a *very* chatty MPI code.
For comparison whilst users see GROMACS also suffer with srun under
1.6.5 they don't see anything like the slow down that NAMD gets.
All the best,
Chris
- --
Christopher SamuelSenior Syste
mory in use.
Hope this is useful!
All the best,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://twitter.com/vlsci
-
irun has:
envar 64
whereas srun has:
envar NULL
Are these differences significant?
I'm intrigued that the problem child (srun 1.6.5) is the only one
where number is 1.
All the best,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Scien
samuel@barcoo ~]$ module show openmpi 2>&1 | grep binding
setenv OMPI_MCA_orte_process_binding core
However, modifying the test program confirms that variable is getting
propagated as expected with both mpirun and srun for 1.6.5 and the 1.7
snapshot. :-(
cheers,
Chris
- --
Chris
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On 06/09/13 14:14, Christopher Samuel wrote:
> However, modifying the test program confirms that variable is getting
> propagated as expected with both mpirun and srun for 1.6.5 and the 1.7
> snapshot. :-(
Investigating further by setting
s!
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://twitter.com/vlsci
-BEGIN PGP SIGNATURE-
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the debug info hadn't shown it
getting to the point of launching the executable. Mea culpa.
I blame jet-lag. ;-)
cheers,
Chris (about to get a second dose)
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.e
All the best,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://twitter.com/vlsci
-BEGIN PGP SIGNATURE-
Version: GnuP
ilure occurs with plain v1.6.5 and it doesn't
> occur with patched v1.6.5.
Perfect, thanks!
Sorry for the delay, been away on holiday.
All the best,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...
aps a better way to
assist would be to help out Sylvestre and the other Debian
maintainers? This might be a handy place to start:
http://qa.debian.org/developer.php?login=pkg-openmpi-maintainers%40lists.alioth.debian.org
All the best,
Chris
- --
Christopher SamuelSenior Systems Admi
I Day!".
All the best,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://twitter.com/vlsci
-BEGIN PGP SIGNATURE-
Vers
I operations until you've read a value back from the OS. But
then if you want to read multiple values from the OS you're going to
be out of luck there too. Unless I'm missing something?
So perhaps the best thing is to just document this prominently.
All the best,
Chris
- --
C
provement occurs, ia64 will be removed from testing on
# Friday 24th January 2014.
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://t
s with a grab bag of jobs it's not likely
useful, but if you had a system dedicated to running an in house code
then you could conceive of situations where you might want to react to
over-temperature cores, nodes, etc.
cheers,
Chris
- --
Christopher SamuelSenior Systems Administrat
27;s what there.
> (Thanks for the idea, Samuel!)
My pleasure!
All the best,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://
with OMPI 1.6.x but Slurm then
gets all its memory stats wrong and if you run with CR_Core_Memory in
Slurm you have a very high risk your job will get killed incorrectly.
All the best,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation
6.072693 CPUTime: 586.072693
>
> Average of 563 seconds.
>
> So that's about 23% slower.
>
> Everything is identical (they're all symlinks to the same golden
> master) *except* for the srun / mpirun which is modified by
> copying the batch script and substituting
e: 64 CPUs 0.280824 s/step 1.62514 days/ns 904.91 MB memory
WallClock: 7522.677246 CPUTime: 7522.677246 Memory: 969.433594 MB
So to me it looks like (for NAMD on our system at least) that
PMI2 does seem to give better scalability.
All the best!
Chris
- --
Christopher SamuelSenior Systems
ad an option to enable PMI2 by default so that only those
who requested it got it then I'd be more than happy - we'd just add it
to our script to build it.
All the best!
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initia
the cluster that those tests were run on has 70 nodes, each with 16
cores, so I suspect we're a long long way away from that pain point.
All the best!
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unim
unfortunately the
cluster we tested on then is flat out at the moment but I'll try and
sneak a 64-core job using identical configs and compare mpirun, srun
on its own and srun with PMI2.
All the best,
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victoria
-BEGIN PGP SIGNED MESSAGE-
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On 08/05/14 23:45, Ralph Castain wrote:
> Artem and I are working on a new PMIx plugin that will resolve it
> for non-Mellanox cases.
Ah yes of course, sorry my bad!
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Vic
re is work on an
alternative solution that we will be able to use.
Thanks!
Chris
- --
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://twitter.com/v
On 14/04/10 04:43, Ralph Castain wrote:
> I rolled the 1.4.2 release candidate 1 tarball today.
The NEWS file only covers changes up to 1.4.1, does that
usually get updated prior to, or after, the RC's ?
cheers,
Chris
--
Christopher Samuel - Senior Systems Administrator
VLSCI - V
it master) the function that handles this - do_shm_rmid()
in ipc/shm.c - only destroys the segment if nobody is attached
to it, otherwise it marks the segment as IPC_PRIVATE to stop
others finding it and with SHM_DEST so that it is automatically
destroyed on the last detach.
cheers,
Chris
--
Chri
rrent master
of the kernel, IPC_PRIVATE is set on the segment with the
comment:
/* Do not find it any more */
That flag means that ipcget() - used by sys_shmget() -
take a different code path and now call ipcget_new()
rather than ipcget_public().
cheers,
Chris
--
Christ
pal_hash_table.c
line 431 - opal_hash_table_set_value_ptr()
node->hn_key = malloc(key_size);
orte/mca/ras/alps/ras_alps_module.c
line 243 - orte_ras_alps_read_appinfo_file()
cpBuf=malloc(szLen+1); /* Allocate buffer
*/
All the best,
Chris
--
Christopher Samuel - Senior S
nd that was on a Solaris system rather than Linux.
SunOS burl-ct-v440-2 5.10 Generic_118833-33 sun4u sparc SUNW,Sun-Fire-V440
cheers,
Chris
--
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computational Initiative
Email: sam...@unimelb.edu.au P
a
/tmp which was NFS mounted; changing the location where their
files were kept to another directory with the orte_tmpdir_base
MCA parameter fixed that issue for them.
Could it be similar for yourself ?
cheers,
Chris
--
Christopher Samuel - Senior Systems Administrator
VLSCI - Vi
heers!
Chris
--
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computational Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.unimelb.edu.au/
On 15/05/10 07:49, Ralph Castain wrote:
> We have had a FAQ on this for a long time...problem is,
> nobody reads it :-/
I even grabbed the URL to paste into my reply, but forgot
to actually paste it before hitting send! :-/
--
Christopher Samuel - Senior Systems Administrator
More info here:
http://wiki.linuxquestions.org/wiki/Tmpfs
cheers!
Chris
--
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computational Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.unimelb.edu.au/
but lower values
are meant to make the kernel less likely to swap out applications
and instead concentrate on reclaiming pages from the page cache.
cheers,
Chris
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computational Initiative
Email: sam...@unime
-BEGIN PGP SIGNED MESSAGE-
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On 30/06/10 01:38, Jeff Squyres wrote:
> Can we get a thumbs up / down from each organization
> about where you think we are with v1.5?
I'm unlikely to get a chance to test it I'm afraid, flat
out here.. :-(
- --
Christopher
cheers,
Chris
- --
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computational Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.unimelb.edu.au/
-BEGIN PGP SIGNATURE-
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Comment: Usi
sers
(who happened to be our director) tried to use it it failed because the
mpi.mod module created during the build is compiler dependent. :-(
So ever since we've done separate builds for GCC and for Intel.
All the best!
Chris
--
Christopher SamuelSenior Systems Administrator
VLS
ebug why their
code wouldn't compile. :-)
Apologies for the noise.
All the best,
Chris
--
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://twitter.com/vlsci
On 03/05/16 18:11, Paul Hargrove wrote:
> xlc-13.1.0 on Linux dies compiling the embedded hwloc in this rc
> (details below).
In case it's useful xlc 12.1.0.9-140729 (yay for BGQ living in the past)
doesn't ICE on RHEL6 on Power7.
All the best,
Chris
--
Christopher Samu
tool and found MTT but commented:
# OpenMPI has the MPI Testing Tool which looks like it would work,
# but most of there tests seem private.
and so moved on to look at other options instead.
All the best,
Chris
--
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life
On 18/05/16 09:59, Gilles Gouaillardet wrote:
> the (main) reason is none of us are lawyers and none of us know whether
> all test suites can be redistributed for general public use or not.
Thanks Gilles,
All the best,
Chris
--
Christopher SamuelSenior Systems Administrator
ink it sends the right message
about openness and hopefully allows a community to build around MPI
testing in general.
Certainly happy to try it out!
All the best,
Chris
--
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Emai
olved with this.
--
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://twitter.com/vlsci
On 19/07/16 02:05, Brice Goglin wrote:
> Yes, kill all netloc lists.
Will the archives be preserved somewhere for historical reference?
All the best,
Chris
--
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email:
bian GNU/Linux 7 \n \l
cheers,
Chris
--
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://twitter.com/vlsci
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8,192,091 1.75M/s in 7.3s
2016-08-31 12:12:08 (1.07 MB/s) - `openmpi-2.0.1rc2.tar.bz2' saved
[8192091/8192091]
All the best,
Chris
--
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
E
On 31/08/16 14:01, Paul Hargrove wrote:
> So, the sparc platform is a bit more orphaned that it already was when
> support stopped at Wheezy.
Ah sorry, I didn't realise you were on a non-LTS Wheezy architecture.
--
Christopher SamuelSenior Systems Administrator
VLSCI - Vic
s been happened before then I'd suggest allow for it to happen
again by adding HHMM. Otherwise looks sensible to me (YMMV).
--
Christopher SamuelSenior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 555
t a backtrace from all threads at once with:
thread apply all bt
It's not just limited to 'bt' either:
(gdb) help thread apply
Apply a command to a list of threads.
List of thread apply subcommands:
thread apply all -- Apply a command to all threads
--
Christopher Samuel
est,
Chris
--
Christopher SamuelSenior Systems Administrator
Melbourne Bioinformatics - The University of Melbourne
Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545
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