Would I be able to execute cyclic distribution on 2 arrays in continuous mode. Let's say that I have 10 nodes and two 4 element arrays, can I distribute array A -> Place 1-4, and keep going and distribute array B -> Place 5-8?
Haris On Fri, Apr 30, 2010 at 9:07 AM, David P Grove <gro...@us.ibm.com> wrote: > > > > Haris H <hha...@gmail.com> wrote on 04/28/2010 11:33:45 AM: > > > > Hi guys, > > > > What would be correct syntax to distribute an array of e.g. > > 9 elements on 3 different regions *after *the array is initialized? > > > > I assume I would have to use block or block cycle distribution here. > > > > Can I move an element after distribution from one place to another? > > Hi, > > The model used by X10 is that you specify the distribution (the > mapping of points in the region to places) as part of creating the array. > You can't change the distribution of an existing array. (Instead you would > have to create a new array with the desired distribution and initialize it > by copying the values from the old array using a sequence of at/async > operations to copy data between places). > > > > > Also, is it possible to tie region and places together? > > Lets say that I have 10 places and two - five point regions, > > can I in any way control at which place points are located? > > > > Distributions are the mechanism for doing this. If you want any arbitrary > mapping (as opposed to Block, BlockCyclic, etc), you would need to define a > custom distribution by writing your own subclass of x10.array.Dist and > using it to define the DistArray. This isn't quite as clean as it should be > in 2.0.3 because we're still in the process of merging Dist and BaseDist > into a single abstract class (Dist). > > Hope this helps, > > --dave > > ------------------------------------------------------------------------------ > _______________________________________________ > X10-users mailing list > X10-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/x10-users > ------------------------------------------------------------------------------ _______________________________________________ X10-users mailing list X10-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/x10-users
