+1. Whatever we do should be implemented such that we don't decrease portability.
--Subutai On Fri, Aug 23, 2013 at 2:04 PM, Francisco Webber <[email protected]> wrote: > Hi all, > A possible way to come around portability and other issues, you could pack > just the computationally expensive code into a "slim" library that > implements serial code or GPU code if the hardware is available. > In past projects I noted that multi-core teams and GPU teams produce both > good solutions if they work competitively and cooperatively on the same > algorithms. > > Francisco > > On 23.08.2013, at 22:57, Tim McNamara wrote: > > On 24 August 2013 08:25, Oreste Villa <[email protected]> wrote: > >> Tim, >> >> I partially agree with you, in the sense that if you are not careful >> portability can be an issue. Having said that I have the following comments. >> >> 1) We are talking about a small prototype for the CLA algorithm on GPU >> (used to understand potential benefits of the approach) and not moving >> NuPIC tomorrow to GPU X. >> 2) I plan to make several tests (starting with CUDA) but ultimately using >> OpenCL or openACC which support multiple architectures (multi-core CPUs and >> GPU of different vendors). >> 3) I would really like to work on MPI on the parallelism at larger scale, >> but I have very limited bandwidth and unfortunately I can't work on both >> now (I am glad to help and advise if there people that want to try >> immediately) >> >> Oreste >> > > I don't want to get in the way of good work! CUDA & OpenCL are very > effective technologies and I am actually very supportive. If you are happy > to invest your time, then that seems like a great way forward. OpenACC > directives could be very nice to include, as they really are device > independent. > > My concerns are: > > - decrease portability, as mentioned earlier > - increasing the barrier to entry to get up and running, e.g. build the > system, users will have more documentation to read and compiler flags to > learn > - code readability, more tokens makes code harder to grok > > It sounds like you have a lot of enthusiasm though. Your work is likely to > benefit the whole community. Good luck :) > _______________________________________________ > nupic mailing list > [email protected] > http://lists.numenta.org/mailman/listinfo/nupic_lists.numenta.org > > > > _______________________________________________ > nupic mailing list > [email protected] > http://lists.numenta.org/mailman/listinfo/nupic_lists.numenta.org > >
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