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How do you deal with generated data

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Hi there,

We are currently having a discussion, where we try to decide, what data we should manage.
For sure any primary data e.g hand-edited-schematics, or RTL code should be managed.

What do you do with generated data, e.g. a verilog netlist or an extraced cellview.
That generates dependencies between different views of the same object that one should track....

I am wondering, what the best approach is.
Does anyone have a suggestion or best practice advice?

Thanks,

Nena


Originally posted in cdnusers.org by Nena
Parents

  • This post from tklee@cadence.com  was inadvertenly deleted:

    Here're my 2 cents.

    There's probably no right or wrong answer here. What you choose to DM
    depends a lot on your flow, and that's a function of how the tools in
    your flow behave. If your flow insists that netlists be generated every
    time right before they are used, DM the netlist might actually cause
    problems (think of AMS's netlists in cellviews and TMPDIR usage). On the
    other hand, not DM'ing netlists can leave you in a situation where the
    more recently generated netlists do not match an older version of
    schematic you just checked out, and if the tools in your flow just check
    for time stamp, you can very well be working on netlists which don't
    match your design.

    DM and archiving are related, but are really different. As our
    moderators said in their interviews, DM is so! important for multi-site
    designs. If you look at DM as something that is active and current,
    versus archiving which is static, you will consider the management of
    secondary or generated files as important. The fact that you can
    generate these secondary files does not mean that your flow will always
    generate them as needed.

    Best regards,
    Teng-Kiat Lee
    Product Engineering, Central Architecture and Technology



    Originally posted in cdnusers.org by Administrator
Reply

  • This post from tklee@cadence.com  was inadvertenly deleted:

    Here're my 2 cents.

    There's probably no right or wrong answer here. What you choose to DM
    depends a lot on your flow, and that's a function of how the tools in
    your flow behave. If your flow insists that netlists be generated every
    time right before they are used, DM the netlist might actually cause
    problems (think of AMS's netlists in cellviews and TMPDIR usage). On the
    other hand, not DM'ing netlists can leave you in a situation where the
    more recently generated netlists do not match an older version of
    schematic you just checked out, and if the tools in your flow just check
    for time stamp, you can very well be working on netlists which don't
    match your design.

    DM and archiving are related, but are really different. As our
    moderators said in their interviews, DM is so! important for multi-site
    designs. If you look at DM as something that is active and current,
    versus archiving which is static, you will consider the management of
    secondary or generated files as important. The fact that you can
    generate these secondary files does not mean that your flow will always
    generate them as needed.

    Best regards,
    Teng-Kiat Lee
    Product Engineering, Central Architecture and Technology



    Originally posted in cdnusers.org by Administrator
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