[CP2K:5008] libsmm rebuild after upgrade

[Jörg Saßmannshausen]

Hi Ole,

thanks! That will save me quite some time to get it compiled on the College 
Cluster! :-)

All the best from a wet London

Jörg

On Freitag 28 Februar 2014 Ole Schütt wrote:
> Hi Jörg,
> 
> > I was wondering, would it make sense to separate the libsmm from the
> > cp2k tree
> > as a sub-project? That way if there are changes we know that quicker?
> > Just an
> > idea.
> 
> Actually, we are currently working on separating DBCSR from CP2K to make
> it available as a standalone library. This will then also include
> libsmm.
> 
> For the meantime, you don't really have to worry. Libsmm itself is
> pretty much converged. Unless your compiler or hardware changes there is
> not need to re-optimize.
> 
> -Ole
> 
> On 2014-02-28 13:26, Jörg Saßmannshausen wrote:
> > Hi Ian,
> > 
> > thanks! That saves me quite a bit of time here.
> > 
> > I was wondering, would it make sense to separate the libsmm from the
> > cp2k tree
> > as a sub-project? That way if there are changes we know that quicker?
> > Just an
> > idea.
> > 
> > All the best from a still grey London!
> > 
> > Jörg
> > 
> > On Friday 28 Feb 2014 10:59:43 Iain Bethune wrote:
> >> Hi Jorg,
> >> 
> >> There is no need to rebuild libsmm - your existing one will work fine
> >> with
> >> CP2K 2.5.0.  There have been some changes in libsmm, but mostly
> >> relating
> >> to vectorisation for Intel Xeon Phi.  Assuming you are still on the
> >> same
> >> architecture, you can keep using the same libsmm.
> >> 
> >> Cheers
> >> 
> >> - Iain
> >> 
> >> --
> >> 
> >> Iain Bethune
> >> Project Manager, EPCC
> >> 
> >> Email: ibet... at epcc.ed.ac.uk
> >> Twitter: @IainBethune
> >> Web: http://www2.epcc.ed.ac.uk/~ibethune
> >> Tel/Fax: +44 (0)131 650 5201/6555
> >> Mob: +44 (0)7598317015
> >> Addr: 2404 JCMB, The King's Buildings, Mayfield Road, Edinburgh, EH9
> >> 3JZ
> >> 
> >> On 28 Feb 2014, at 10:53, Jörg Saßmannshausen
> >> <j.sassma... at ucl.ac.uk>
> > 
> > wrote:
> >> > Dear all,
> >> > 
> >> > just a quick question regarding libsmm as I am upgrading from version
> >> > 2.4.0 to 2.5.0. Do I need to rebuild the libsmm every time there is a
> >> > new version of cp2k out or is this part 'stable', i.e. there are no
> >> > changes any more? I am asking as the build takes some time and I would
> >> > like to avoid doing that on our cluster here.
> >> > 
> >> > All the best from a grey London!
> >> > 
> >> > Jörg
> > 
> > --
> > *************************************************************
> > Jörg Saßmannshausen
> > University College London
> > Department of Chemistry
> > Gordon Street
> > London
> > WC1H 0AJ
> > 
> > email: j.sassma... at ucl.ac.uk
> > web: http://sassy.formativ.net
> > 
> > Please avoid sending me Word or PowerPoint attachments.
> > See http://www.gnu.org/philosophy/no-word-attachments.html
> > 
> > --
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-- 
*************************************************************
Jörg Saßmannshausen
University College London
Department of Chemistry
Gordon Street
London
WC1H 0AJ 

email: j.sassma... at ucl.ac.uk
web: http://sassy.formativ.net

Please avoid sending me Word or PowerPoint attachments.
See http://www.gnu.org/philosophy/no-word-attachments.html
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