Hi,
If i declare ATF_rm000 as global val "Final field "ATF_rm000" might not have
been initialized" error is shown. In which case i would be back to square
one.
Thanks,
Sarat
On Tue, Nov 24, 2009 at 5:00 PM, Igor Peshansky <ig...@us.ibm.com> wrote:
> Hi, Sarat,
>
> X10 2.0 doesn't have value classes anymore. The pattern for what
> you want to do is to make all fields global. The rest of the solution
> is the same, however.
>
> So, you'd have something like
>
> class ATFInitMatrix {
> global val ATF_dim:Array[Int](1) = Array.make[Int](0..2);
> global val ATF_rm000:Array[Double](5);
>
> public def this(var px:int, var py:int, var pz:int) {
> val dim5:Array[Int](1) = Array.make[Int](0..4);
>
> ATF_dim(0) = px;
> ATF_dim(1) = py;
> ATF_dim(2) = pz;
>
> /* Allocate dynamic arrays */
> dim5(0) = ATF_dim(0)+2;
> dim5(1) = ATF_dim(1)+2;
> dim5(2) = ATF_dim(2)+2;
> dim5(3) = 1;
> dim5(4) = 1;
>
> val R1 = [0..dim5(0), 0..dim5(1),0..dim5(2),0..dim5(3),0..dim5(4)];
> val D1 = Dist.makeBlock(R1, 0);
>
> ATF_rm000 = Array.make[Double](D1);
> }
> ...
> }
>
> Hope this helps,
> Igor
>
> sarat poluri <sarat.pol...@gmail.com> wrote on 11/24/2009 04:25:35 PM:
>
> > Hi Igor,
> >
> > I am using X10 2.0. So, how would the solution be different in this
> case?
> >
> > Thanks,
> > Sarat
> >
> > On Tue, Nov 10, 2009 at 1:58 PM, Igor Peshansky <ig...@us.ibm.com>
> wrote:
> > sarat poluri <sarat.pol...@gmail.com> wrote on 11/10/2009 02:03:23 PM:
> >
> > > Hi,
> > >
> > > How can i distribute a n-dimensional array as blocks across all places
> > and
> > > then initialize each element of that array?
> > >
> > > i have an array which is first declared as a 5-D array and then inside
> a
> > > function the array is initialized with the appropriate distribution
> > taking
> > > the bounds of the region from the parameters of that function.
> > >
> > > class ATFInitMatrix
> > > {
> > > var ATF_dim:Array[Int](1) = Array.make[Int](0..2);
> > >
> > > var ATF_rm000:Array[Double](5);
> > >
> > > public def ATF_Init_matrix(var px:int, var py:int, var pz:int):boolean
> > > {
> > > var dim5:Array[Int](1) = Array.make[Int](0..4);
> > >
> > > ATF_dim(0) = px;
> > > ATF_dim(1) = py;
> > > ATF_dim(2) = pz;
> > >
> > > /* Allocate dynamic arrays */
> > > dim5(0) = ATF_dim(0)+2;
> > > dim5(1) = ATF_dim(1)+2;
> > > dim5(2) = ATF_dim(2)+2;
> > > dim5(3) = 1;
> > > dim5(4) = 1;
> > >
> > > val R1 = [0..dim5(0),
> 0..dim5(1),0..dim5(2),0..dim5(3),0..dim5(4)];
> > > val D1 = Dist.makeBlock(R1, 0);
> > >
> > > ATF_rm000 = Array.make[Double](D1);
> > > }
> > >
> > > public def ATF_Reset():boolean
> > > {
> > > finish ateach(val p(i,j,k,l,n): Point(5) in ATF_rm000.dist)
> > > {
> > > ATF_rm000(p) = 0.0;
> > > }
> > > }
> > >
> > > The ATF_Reset function throws a badplaceexception. What are the
> options
> > > available to do this. should i declare the ATF_rm000 array as a val
> > instead
> > > of var, in which case how do i declare first and initialize later or
> is
> > > there another approach.
> > >
> > > Please advice.
>
> > Hi, Sarat,
> >
> > You are not getting a BadPlaceException because you're accessing the
> wrong
> > point in the distribution. You are getting it because you are trying to
> > access the field ATF_rm000 from the current object, which lives in place
> > 0.
> >
> > In the below, I'll assume you're using X10 1.7. If you are using X10
> 2.0,
> > the solution will be different.
> >
> > I would make ATFInitMatrix a value class (thus ATF_rm000 becomes a val
> > field that you have to initialize early). Then you can access all of
> its
> > fields at any place.
> > Igor
> --
> Igor Peshansky (note the spelling change!)
> IBM T.J. Watson Research Center
> XJ: No More Pain for XML's Gain (http://www.research.ibm.com/xj/)
> X10: Parallel Productivity and Performance (http://x10.sf.net/)
>
>
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