yade-dev team mailing list archive

[Bruno Chareyre <bruno.chareyre@xxxxxxxxxxxxxxx>]

On 02/23/2018 08:37 PM, Robert Caulk wrote:
> I compared flow.useSolver=3  to flow.useSolver=4 using oedometer.py  
> (on gpu and cpu). Results are the same. Did you encounter different 
> results for your comparison?
I did not compare but I was expecting similar performances, glad to know 
it is the case. :)
Thanks
Bruno


> Best,
>
> Robert
>
> On Fri, Feb 23, 2018 at 7:56 AM Bruno Chareyre 
> <bruno.chareyre@xxxxxxxxxxxxxxx 
> <mailto:bruno.chareyre@xxxxxxxxxxxxxxx>> wrote:
>
>     Hi Robert,
>     Still a small thing to fix following [1] it seems, although it may
>     only impact old systems.
>     On ubuntu 14.04 with libsuitesparse-dev 1:4.2.1-3ubuntu1 it gives:
>     /FlowBoundingSphereLinSolv.ipp:100:6: error: ‘cholmod_common’ has
>     no member named ‘useGPU’//
>     //  com.useGPU=1; //useGPU;/
>
>     On the other hand cmake is returning:
>     -- Disabled features: CHOLMOD_GPU
>
>     So an obvious solution was to add a #if (CHOLMOD_GPU == 1) before
>     the useGPU line [1].
>     It seems to fix the compile problem. Does it seem ok for you?
>
>     Just to be sure: useSolver=3 will use cholmod through eigen and
>     useSolver=4 will use cholmod directly. It is correct?
>     Did you compare useSolver=3 and useSolver=4 without gpu? They
>     should be nearly the same.
>
>     Cheers
>
>     Bruno
>
>
>     [1]
>     https://github.com/yade/trunk/commit/60342f55f196bce752897b87ab539a1c2fbf309e
>     <https://github.com/yade/trunk/commit/60342f55f196bce752897b87ab539a1c2fbf309e>
>
>     _______________________________________________
>     Mailing list: https://launchpad.net/~yade-dev
>     <https://launchpad.net/%7Eyade-dev>
>     Post to     : yade-dev@xxxxxxxxxxxxxxxxxxx
>     <mailto:yade-dev@xxxxxxxxxxxxxxxxxxx>
>     Unsubscribe : https://launchpad.net/~yade-dev
>     <https://launchpad.net/%7Eyade-dev>
>     More help   : https://help.launchpad.net/ListHelp
>     <https://help.launchpad.net/ListHelp>