On Tue, Feb 12, 2013 at 7:43 PM, Karl Rupp <rupp at mcs.anl.gov> wrote:
> Tim was referring to the cross-over at >10k... > Okay, but 10k is more than an order of magnitude away from a crossover with MIC. > Almost-all (OpenCL, CUDA). Native mode ought to be the exception, but it's > the OpenMP overhead which limits then. Single-core on the MIC is not really > an option either... > > It would be interesting to play with a pthreads-threadpool implementation > on the MIC to see how much performance can really be obtained for smallish > problems. > Yup, I'd like to experiment with this. Do you have a device on a convenient development machine? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20130212/ec212349/attachment.html>
