dolfin team mailing list archive

[Johan Hake <johan.hake@xxxxxxxxx>]

Florian!

Thanks for sharing your Master thesis. It was informative reading! You mention 
that you modified FFC too. Will this branch also be published?

Johan

On Friday January 21 2011 02:34:43 Florian Rathgeber wrote:
> There is no master plan I know of. For my MSc project with Johan Jansson
> at KTH last year I implemented GPU assembly and solve using DOLFIN.
> There are 2 backends: a native CUDA one and one using the cusp library
> from NVIDIA. I'm currently trying to get my code in shape and working
> with the current dolfin-dev to publish in a branch on launchpad
> (lp:~florian-rathgeber/dolfin/gpu-backend). The code currently in there
> is broken, I had pushed it to show the CMake problems I was seeing.
> Hopefully I can push something working soon.
> 
> If you want to read up on the background my MSc thesis is probably a
> good start:
> http://www.nada.kth.se/utbildning/grukth/exjobb/rapportlistor/2010/rapporte
> r10/rathgeber_florian_10106.pdf
> 
> I don't know how much time I will have to maintain this, but I thought
> it would be useful to have something out for people to play with and
> show there is work in this direction in the FEniCS community.
> 
> Florian
> 
> On 20/01/11 22:47, Anders Logg wrote:
> > On Thu, Jan 20, 2011 at 11:03:51PM +0100, Marie E. Rognes wrote:
> >> On 01/20/2011 10:10 PM, Johan Hake wrote:
> >>     Florian!
> >>     
> >>     Out of curiosity, are you planing to implement GPU assembly too? To
> >>     me it looked like your code "only" exploited solve on the GPU.
> >>     
> >>     I guess GPU assemble is even more parallelizable than the solving
> >>     process. At least if you settle with gathering the elemement
> >>     matrices in parallel and then fanning them out in some sort of
> >>     serial operation. In this way you miss the possibility to solve on
> >>     the GPU, which I guess you are exploiting.
> >> 
> >> I'm real interested too in hearing more about your plans!
> >> 
> >> There has been quite a bit of mentions with regard to "doing stuff on
> >> GPUs" from different parts of the FEniCS community over the last year
> >> or so. Is there a master plan out there somewhere?
> > 
> > I don't think there's a master plan (yet), but many are interested and
> > the group at Imperial have been working on it for some time. It would
> > be interesting to hear more about the progress.
> > 
> > 
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