[OMPI users] Received values is different than sent after Isend() in MPI4py

2019-02-01 Thread Konstantinos Konstantinidis
Hi, consider a setup of one MPI sender process unicasting J messages to each of N MPI receiver processes, i.e., the total number of transmissions is J*N. Each transmission is a block of a matrix, which has been split both horizontally and vertically. Each block has been stored as an element of a

Re: [OMPI users] Received values is different than sent after Isend() in MPI4py

2019-02-01 Thread George Bosilca
I think the return of ascontiguous will be reused by python before the data is really transferred by the isend. The input buffer for the isend operation should be const fire the entire duration of the isend+wait window. George On Fri, Feb 1, 2019, 12:27 Konstantinos Konstantinidis Hi, consider