I measure communication time for MPI_Send and end2end training time (including model training and communication time). MPI1.4.1 is faster than MPI1.10.2: MPI_Send+MPI_Recv: 2.83% end2end training time: 8.89%
2016-02-26 14:45 GMT+08:00 Eva <wuzh...@gmail.com>: > I measure communication time for MPI_Send and end2end training > time（including model training and communication time）. > > > > MPI_Send+MPI_Recv > > end2end training > > MPI1.4.1 is faster than MPI1.10.2 > > 2.83% > > 8.89% > > > > 2016-02-24 13:49 GMT+08:00 Eva <wuzh...@gmail.com>: > >> I compile the same program by using 1.4.1 and 1.10.2rc3 and then run them >> under the same environment. 1.4.1 is 8.89% faster than 1.10.2rc3. Is there >> any official performance report for each version upgrade? >> > >
