[ExM Users] 2D arrays

[Tim Armstrong]

Yes, the arrays are just nested arrays, so this works: pickle[outer]


On Thu, Jun 26, 2014 at 3:47 PM, Ketan Maheshwari <ketan at mcs.anl.gov> wrote:

> Thanks Tim. That makes sense. One more question:
>
> Is it possible to consume the resulting 2D array in an outer loop of a
> nested loop such that for each outer dimension all elements of inner
> dimension are passed to a function. eg:
>
> foreach outer in outerlist{
>     foreach inner in innerlist{
>         pickle[outer][inner] = producearray(args);
>     }
>     dumpedout[outer] = consume(pickle[outer][*]);
> }
>
> So, the synchronization is partial here: as soon as a round of inner loop
> is done the result can be used by consume.
>
> Thanks,
> Ketan
>
>
> On Thu, Jun 26, 2014 at 3:04 PM, Tim Armstrong <tim.g.armstrong at gmail.com>
> wrote:
>
>>  Yes 2D arrays are supported with the same declaration syntax as
>> Swift/K.  You're trying to declare a 2D array with key types i and j in
>> each loop iteration.  The compiler is correctly pointing out that i isn't a
>> type.  You need to declare it outside of the loops then assign it inside
>> the loops.
>>
>>  - Tim
>>
>>
>> On Thu, Jun 26, 2014 at 2:44 PM, Ketan Maheshwari <ketan at mcs.anl.gov>
>> wrote:
>>
>>> Are 2D arrays of this style supported in T:
>>>
>>>  main {
>>> foreach i in [0:31]{
>>>         /*string commands[] = ["head","tail","wc","stat"];*/
>>>         foreach j in [0:24]{
>>>                 string pyline=sprintf("import cPickle as
>>> pickle\n\nrepr(pickle.dumps({'foo1':%s,'foo2':%s}))", i, j);
>>>                 string pickle[i][j] = python(pyline);
>>>         }
>>> }
>>> }
>>>
>>>  stc gives following error:
>>>
>>>  stc error:
>>> multi-map-reduce.swift:15:3: The following type was not defined in the
>>> current context: j
>>>
>>> _______________________________________________
>>> ExM-user mailing list
>>> ExM-user at lists.mcs.anl.gov
>>> https://lists.mcs.anl.gov/mailman/listinfo/exm-user
>>>
>>>
>>
>
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