It's because several instances of your object will be created (via the
splitting constructor) and then joined together using the join method.
If all instances share an output variable then they will overwrite
each others' output, giving them their own allows the split/join logic
to work correctly.
On 14 July 2015 at 09:25, Danas Zuokas wrote:
| I have written parallel implementation of sums in groups using RcppParallel.
Isn't this the same question as
http://stackoverflow.com/questions/31318419/when-calling-same-rcpp-function-several-times-different-results-are-returned
You got some
Would that still solve the problem if there are overlapping indexes in
gi ? (i.e. if the same index appeared more than one time and was
utilized from more than one thread at a time)
On Tue, Jul 14, 2015 at 7:21 AM, JJ Allaire jj.alla...@gmail.com wrote:
The examples in the RcppParallel
I have tried this with no luck.
2015-07-14 14:34 GMT+03:00 Romain Francois rom...@r-enthusiasts.com:
Or just use a std::vectordouble for sg. That should do it.
Romain
Envoyé de mon iPhone
Le 14 juil. 2015 à 13:21, JJ Allaire jj.alla...@gmail.com a écrit :
The examples in the
Or just use a std::vectordouble for sg. That should do it.
Romain
Envoyé de mon iPhone
Le 14 juil. 2015 à 13:21, JJ Allaire jj.alla...@gmail.com a écrit :
The examples in the RcppParallel documentation assume that access to
vectors and matrixes are *aligned* (i.e. fall into neat buckets
The examples in the RcppParallel documentation assume that access to
vectors and matrixes are *aligned* (i.e. fall into neat buckets
whereby reading and writing doesn't overlap between worker instances).
Your example appears to access arbitrary elements of sg (depending on
what's passed in gi)
