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Subject: Re: [OMPI users] "bind-to l3chace" with r30643 in ticket #4240 dosen't work
From: tmishima_at_[hidden]
Date: 2014-02-12 02:27:17


Thanks. I myself have no request. Ralph might have something ...

Regards,
Tetsuya Mishima

> Is there anything we could do in hwloc to improve this? (I don't even
> know the exact piece of code you are refering to)
> Brice
>
>
> Le 12/02/2014 02:46, Ralph Castain a écrit :
> > Okay, I fixed it. Keep getting caught by a very, very unfortunate
design flaw in hwloc that forces you to treat cache's as a special case
that requires you to call a different function. So you have
> to constantly protect function calls into hwloc with "if cache, call this
one - else, call that one". REALLY irritating, and it caught us again here.
> >
> > Should be fixed now in trunk now, set to go over to 1.7.5
> >
> > Thanks
> > Ralph
> >
> > On Feb 11, 2014, at 4:47 PM, tmishima_at_[hidden] wrote:
> >
> >> Hi Ralph,
> >>
> >> Since the ticket #4240 has been already set as fixed, I'm sending this
> >> email to you. ( I don't konw I could add comments to the fixed ticket)
> >>
> >> When I tried to bind the process to l3chace, it didn't work like
below:
> >> (the host mangae has the normal topology - not inverted)
> >>
> >> [mishima_at_manage openmpi-1.7.4]$ mpirun -np 2 -bind-to l3cache
> >> -report-bindings ~/mis/openmpi/demos/myprog
> >>
--------------------------------------------------------------------------
> >> No objects of the specified type were found on at least one node:
> >>
> >> Type: Cache
> >> Node: manage
> >>
> >> The map cannot be done as specified.
> >>
--------------------------------------------------------------------------
> >>
> >> "-bind-to l1cache/l2cahce" doesn't work as well. At least, I confirmed
that
> >> the openmpi-1.7.4 works with "-bind-to l3cache".
> >>
> >> Regards,
> >> Tetsuya Mishima
> >>
> >> _______________________________________________
> >> users mailing list
> >> users_at_[hidden]
> >> http://www.open-mpi.org/mailman/listinfo.cgi/users
> > _______________________________________________
> > users mailing list
> > users_at_[hidden]
> > http://www.open-mpi.org/mailman/listinfo.cgi/users
>
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