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WARNING (OCN-6038) Results dc are not available loading OCEAN script

Victor Camacho

Hi,
I'm trying to loading an OCEAN script automatically generated on the ADE-L environment of Cadence virtuoso.
Virtuoso Custom IC Design Environment version IC6.1.8-64b.500.17

I have simplified the ocean script (detailed below between # marks) only to read the "Id dc" result but results seem not to be available on results directory

Message shown on virtuoso terminal:

"job job006 submitted successfully.

WARNING (OCN-6038): Results dc are not available for /../nmos_chara_tb/spectre/schematic/distributed/job006. Use results() for a list of available results"

I have tried to use the "results()" function and this is the information obtained:

results()
("dcOp-dc" "dcOpInfo-info" "dc-dc" "modelParameter-info" "element-info"
    "outputParameter-info" "designParamVals-info" "primitives-info.primitives" "subckts-info.subckts" variables
)

#############################################################################################
simulator( 'spectre )
design(     "/../nmos_chara_tb/spectre/schematic/netlist/netlist")
resultsDir( "/../nmos_chara_tb/spectre/schematic" )
modelFile(
    '("/home/data/pdk/eval/tsmc40nm_cv1p6msp010_001-oav10a/cds/tsmcN40/../models/spectre/toplevel.scs" "top_tt")
)
definitionFile(
    "/../projects/40nmBCD/save_op.scs"
)
analysis('dc ?saveOppoint t  ?dev "/V2"  ?param "dc"  
        ?start "0"  ?stop "3.3"  ?lin "100"  )
desVar(      "length" 550n    )
desVar(      "width" 400n    )
envOption(
    'analysisOrder  list("dc")
)
temp( 27 )
run()
Id = getData("M0:id" ?result "dc")
#############################################################################################

Thanks for the support,
Regards,
Victor.

  • Hi Victor,

    It appears that you're running in distributed mode, so the issue is that the run() function doesn't wait for the job to complete, so the getData() is trying to run immediately after the simulation starts. Probably by the time you looked with results() it was OK.

    You can either do:

    job=run()
    wait(job)

    or:

    run(?block t)

    It's possible you might need to use openResults(job) afterwards, but I think that may not be necessary...

    If you have further issues after doing this, please contact customer support - I had some mild challenges with trying to test this, but that's probably just an issue with my local setup.

    Andrew

  • in reply to Andrew Beckett

    Hi Andrew,
    Thanks for  your reply. You are right, even running in local in that way job is not completed yet when results are used by the rest of the script.
    I've tried the first choice using "wait" function but it doesn't run because only waits until job is submitted.
    However I've split the *.ocn file into 2 separates files in order to execute simulation first and results analysis and plotting later, and waiting after job is completed execution is ok.
    So I think it will be ok for future uses of these functions.
    Regards,
    Victor.

  • in reply to Victor Camacho

    If you were using "command line" distributed mode, then I don't think it can wait for the job to complete because it doesn't know - there's no integration to be able to recognise when the job had completed (it would need to be able to interact with the specific job distribution system).

    Anyway, glad you found a way forward.

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