Thank you for help! Is that possible to run REMD on a PC with only one processor?<br><br>Bo<br><br>bo.shuang wrote:<br>
> Hi, Mark,<br>
><br>
> Thank you for help. It works. But now I have new fatal error:<br>
><br>
> Fatal error:<br>
> The number of nodes (1) is not a multiple of the number of simulations (2)<br>
><br>
> MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_WORLD<br>
> with errorcode -1.<br>
><br>
> NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.<br>
> You may or may not see output from other processes, depending on<br>
> exactly when Open MPI kills them.<br>
><br>
><br>
> What does it mean about nodes? Thank you!<br>
><br>
<br>
Running multiple simulations requires multiple processors. For 2 simulations,<br>
you need at least 2 processors (one for each simulation). More can be used, but<br>
it must be a multiple of the number of simulations, as the error message indicates.<br>
<br>
-Justin<br>