[Meep-discuss] meep-discuss about meep-mpi

2012-03-02 Thread 丁一
Dear all, When I recently run the mpi version of meep, I have a problem that when I type: mpirun -np 4 meep-mpi ***.ctl, it returns using MPI version 2.0, 1 processes using MPI version 2.0, 1 processes using MPI version 2.0, 1 processes using MPI version 2.0, 1 processes . It seems

Re: [Meep-discuss] meep-discuss about meep-mpi

2012-03-02 Thread gpipc
On Fri, 2 Mar 2012 22:51:20 +0800, 丁一 d...@pku.edu.cn wrote: Dear all, When I recently run the mpi version of meep, I have a problem that when I type: mpirun -np 4 meep-mpi ***.ctl, it returns using MPI version 2.0, 1 processes using MPI version 2.0, 1 processes using MPI version

Re: [Meep-discuss] about meep-mpi

2011-10-06 Thread Konstantin Ladutenko
To: Konstantin Ladutenko fisik2...@mail.ru Cc: meep-discuss@ab-initio.mit.edu Subject: Re: [Meep-discuss] about meep-mpi Message-ID: cafwq1ssvdc0azsfadblbqkabtzmupf86dhkpelmdak_yyvy...@mail.gmail.com Content-Type: text/plain; charset=ISO-8859-1 2011/10/4 Konstantin Ladutenko fisik2

Re: [Meep-discuss] about meep-mpi

2011-10-06 Thread Nizamov Shawkat
2011/10/6 Konstantin Ladutenko fisik2...@mail.ru: Hi,  Nizamov Shawkat, thank your for your reply and conforming not 1 to 1 scaling of meep stepping for MPI on your setup.  I`ve checked scaling from problem size on two systems. Results are in LaTeX format at the end of my letter. You can

Re: [Meep-discuss] about meep-mpi

2011-10-04 Thread Konstantin Ladutenko
Hi, I`ve continued benchmarking meep 1.1.1, now on a single 2 CPU (4 cores each) host to exclude my network setup... Simulating drop filter. procs --- set_eps --- set_eps_1 /procs* --- step --- step_time --- step_time_1/procs* 8 --- 14,80 --- 15,98* --- 0,01630 --- 67,16 --- 14,20* 4 ---

[Meep-discuss] about meep-mpi

2011-09-22 Thread Mehdi Askari
​Dear all,Does anyone know how I can run my simulation with a multiprocessor system to get a faster run?I have installed meep-mpi and mpich2 on my ubuntu. For a parallel meep running I do steps below,1) I type mpd in terminal2) I type mpirun -np 8 meep-mpi test.ctl in terminal.It starts

Re: [Meep-discuss] about meep-mpi

2011-09-22 Thread Georg Wachter
Hello, MPI requires an overhead (of passing data between the processors, etc.). For short simulations you might not gain (wallclock) time at all, or even lose some. Try a long / large simulation and see if it has any effect. Good luck and regards, Georg On Thu, Sep 22, 2011 at 3:17 PM, Mehdi

Re: [Meep-discuss] about meep-mpi

2011-09-22 Thread Konstantin Ladutenko
) -- Message: 1 Date: Thu, 22 Sep 2011 16:47:18 +0330 From: Mehdi Askari ask...@shirazu.ac.ir To: meep discuss group meep-discuss@ab-initio.mit.edu Subject: [Meep-discuss] about meep-mpi Message-ID: 1316697438365572...@shirazu.ac.ir Content-Type: text