distributed simulation: ksh problem

Discussion in 'Cadence' started by blond, Dec 28, 2006.

  1. blond

    blond Guest

    hi all,

    I've set up a cluster of computers for distributed simulations. Both
    cdsDPSetupChk and adptest report no errors.
    Still, I can't run distributed simulations. The jobs are submitted but
    are immediately shown as "ABORTED" in the job viewer. To track down the
    problem, I created a wrapper script for rsh that logs all command
    lines. In it, I see

    rsh remote ksh -s -- -clientPlat=lnx86 -clientHost=local
    -cdsPath=/inst/ICOA5251 tools/bin/cdsserv 20 0 local 58471 local 0 20 1
    1 1 0 72 1 1 1.4 1.0

    rsh remote ksh -s -- -clientPlat=lnx86 -clientHost=local
    -cdsPath=/inst/ICOA5251 tools/bin/cdsserv -version

    and that's where I have to give up. I haven't worked much mich ksh so
    far and don't understand the commands. I suspect that they are the
    actual problem since they never complete when I run them locally, but
    start a shell.
    So my question is: Are these command lines correct? And if yes, what do
    they try to do? Is it a way to run
    /inst/ICOA5251/tools/bin/cdsserv -version? If so, this command works
    typed directly, but not via the ksh command above...

    And do I need a special version of ksh? I've tried both "sh (AT&T Labs
    Research) 1993-12-28 q" and "@(#)PD KSH v5.2.14 99/07/13.2", both
    without success.

    Blondie
     
    blond, Dec 28, 2006
    #1
  2. blond

    blond Guest

    I just couldn't give up like that and went on to fight with environment
    variables, firewalls, ...

    Finally I managed to get cadence to start spectre on a remote host. The
    simulation fails however with

    Error found by spectre during Sweep analysis `sweep'.
    sweep: Stop limit must not equal start limit.

    Analysis `sweep' terminated prematurely due to error.

    The error apparently is caused by this fragment in input.scs:

    sweep sweep param=Iteration start=4 stop=4 step=1 {
    tran tran stop=10n errpreset=conservative noiseseed=Iteration
    noisefmax=5G \
    noisescale=2 write="spectre.ic" writefinal="spectre.fc" \
    annotate=status maxiters=5.
    }


    I'm trying to run a parametric transient noise analysis from within
    ADE.

    cadence versions: ICOA 5.2.51, MMSIM 6.1, both latest ISR.

    Any ideas?

    Blondie
     
    blond, Dec 28, 2006
    #2
  3. blond

    blond Guest

    One important note: The error is not caused by the parametric analysis,
    but by the ?tranNoiseMultiRuns and ?noiseruns
    options to the transient noise analysis. So far all simulation types
    except for multi-run transient noise analysis worked in my setup.

    Blondie
     
    blond, Dec 30, 2006
    #3
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