Re: [OMPI users] MPI-Send for entire entire matrix when allocating memory dynamically

2009-10-31 Thread Justin Luitjens
Here is how you can do this without having to redescribe the data type all the time. This will also keep your data layout together and improve cache coherency. #include #include #include using namespace std; int main() { int N=2, M=3; //Allocate the matrix double

Re: [OMPI users] MPI-Send for entire entire matrix when allocating memory dynamically

2009-10-31 Thread George Bosilca
Eugene is right, every time you create a new matrix you will have to describe it with a new datatype (even when using MPI_BOTTOM). george. On Oct 30, 2009, at 18:11 , Natarajan CS wrote: Thanks for the replies guys! Definitely two suggestions worth trying. Definitely didn't consider a