Jean-Loup, > >> I am currently playing with HPX components in order to understand a bit > >> better how they work. In particular, I am trying to migrate a component > to > >> a different locality from the one it was instantiated on. However, > >> documentation on component migration is quite scarce and I have not > been > >> able to get a minimal example to work. > > > >What do you mean by this? What didn't work? Could you be more specific > >please? > > I was just trying to implement a minimal example of a migratable component > (similar to the one in the gist), i.e. define a very simple class (e.g. a > wrapper around some STL type), which can be copied across node boundaries.
Well, you have not said what actually didn't work. Did it fail to compile? Fail to link? Fail to run? What were the error messages? Build logs? > >> See the following gist to see what I am trying to achieve: > >> https://gist.github.com/Element-126/c1815833fce9018fb28911751e0ce43b > >> > >> Looking at the HPX source code, it seems that I will need to implement > >> serialization support for my component, but I have not been able to > figure > >> out the specifics yet. > > > >Yes, in order for a component to be migratable you need to make it > >serializable. Otherwise there is no way to deduce what it means to move a > >component over the wire (i.e. what members to 'copy', etc.). This can be > >done in the usual way (see the boost serialization documentation for > details > >[1], the HPX serialization is very similar, except for the namespace - > use > >'hpx::' instead of 'boost::'). > > Thanks for the reference. I am not very familiar with serialization yet, > so the boost documentation will certainly help a lot. Just second guessing here: but if you don't have serialization support in your component it most likely failed to compile saying you need it... Regards Hartmut --------------- http://boost-spirit.com http://stellar.cct.lsu.edu _______________________________________________ hpx-users mailing list [email protected] https://mail.cct.lsu.edu/mailman/listinfo/hpx-users
