How to get time takes by each process after spawning in MPICH

$u$hil_k$ · 04-21-2013, 06:19 AM

Hello guys, i have basically have some programs like quick sort, matrix multiplication and LU Decomposition and am getting the Total Time (i.e by using MPI_Wtime) is there anyway that i can get the time takes by each individual processes after execution....

btmiller · 04-21-2013, 06:32 AM

There are several projects such as Open SpeedShop that use performance counters counters to calculate statistics for multiple processes in an MPI job. You might take a look at Open SpeedShop for this. You might also want to look at this page from the OpenMPI project for some other options.