Karl Fuerlinger

dash::copy (local range to global destination) not copying the whole range

5

~~~ dash::Array arr(100); if( dash::myid()==0 ) { int buf[100]; std::iota(buf, buf+100, 0); // copy local buffer to global array dash::copy(buf, buf+100, arr.begin()); } arr.barrier(); if( dash::myid()==0 ) { for( auto...

Strange performance differences between access to DASH local memory and locally malloc'd memory

17

When investigating the performance of the DASH Cowichan implementation compared to TBB and Cilk I noticed that, strangely, access to DASH local memory (via `.lbegin()`) appears to be significantly slower...