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designate all mpi reduce operations as commutative && use the first operand to aggregate instead of creating a copy #109

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wammar opened this issue Mar 20, 2013 · 0 comments

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enhancement latent-crf

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wammar commented Mar 20, 2013

to designate std::plusstd::string as commutative, you say:

namespace boost { namespace mpi {

template<>
struct is_commutativestd::plus<std::string, std::string>
: mpl::true_ { };

} } // end namespace boost::mpi

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