> Note in the case of execution on a JVM, a single process will be > spawned with P places. In the case of native execution, each place > will be executed in a separate process.
Let me check if I understood this right. So if I run a sequential x10 program on a JVM with 4 places, the program would actually run in 1 place while the other 3 are "idle" ? On Nov 10, 2009, at 12:37 PM, Vijay Saraswat wrote: > Note in the case of execution on a JVM, a single process will be > spawned with P places. In the case of native execution, each place > will be executed in a separate process. The nodes on which the > processes are spawned is determined by the hosts file. > > Also setting the number of initial threads in a place is important. > > When using mpirun, please use the -x option to set the X10_NTHREADS > variable, thus: > > mpirunx10 -x X10_NTHREADS=<n> -np <p> --hostfile <hostfilename> > <x10executable> <program args> > > > Igor Peshansky wrote: >> >> Kshitij Mehta <kvm1...@gmail.com> wrote on 11/10/2009 01:08:14 PM: >> >> >>> Hello >>> Is there a way to set the no. of places in the Linux environment? >>> Looks like the default value is 4, which was set by the x10 runtime >>> during installation. Please note that I am not using eclipse. >>> >> >> Hi, Kshitij, >> >> Are you running with the Java backend or the C++ one? You also did >> not mention which version of X10 you're trying to use. >> >> Your question implies that you're using the Java backend. >> To run with K places, use >> >> x10 -NUMBER_OF_LOCAL_PLACES=K YourClass >> >> For the C++ backend, the launcher supplies the number of places, >> e.g., >> >> mpirunx10 -np K YourApp >> >> Hope this helps, >> Igor >> > Kshitij Mehta Graduate Student Parallel Software Technologies Lab Dept. of Computer Science University of Houston USA www.cs.uh.edu/~kmehta ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ X10-users mailing list X10-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/x10-users
