[ibis-macro] Re: How to make tap coefficients Reserved Parameters with Table

  • From: "Muranyi, Arpad" <Arpad_Muranyi@xxxxxxxxxx>
  • To: David Banas <DBanas@xxxxxxxxxx>, "'ibis-macro@xxxxxxxxxxxxx'" <ibis-macro@xxxxxxxxxxxxx>
  • Date: Tue, 13 Dec 2011 19:57:46 +0000


Regarding the reasons for why you disagree:

I agree with what you say in that paragraph, but
that can be achieved with Usage In Model_Specific
parameters.  I only listed Usage Info, InOut and
Out to be removed...

Think about it this way.  Usage Info is something
that tells the EDA tool what to do.  Since Model_Specific
parameters can be anything any model maker can invent,
how would the tool know what to do if a model says:

(Usage Info)(Format String)("I'm feeling lucky")

The best the tool can do is put this on the screen.
What is the user of the tool going to benefit from
seeing this on the screen?  As you said, they could
read the model's User's Manual to find out the same

The same is true for Model_Specific parameters returned
by the model to the EDA tool with (Usage Out) and
(Usage InOut).  The only thing that is left then is
(Usage In).  I did not say that we should remove that
from the spec, only the rest.



From: David Banas [mailto:DBanas@xxxxxxxxxx]
Sent: Tuesday, December 13, 2011 1:08 PM
To: Muranyi, Arpad; 'ibis-macro@xxxxxxxxxxxxx'
Subject: RE: [ibis-macro] Re: How to make tap coefficients Reserved Parameters 
with Table

>The real problem starts when you start acting on these
>specialized meanings, like post processing the raw data to
>generate histograms, probability distribution functions, and
>the like, because in order to know what to do with the data
>you have to know its meaning.


>Like I wrote it before, the meaning of Tap parameters is
>relatively well known, but we have no way of knowing anything
>about the meaning of the rest of the Model_Specific parameters.
>doing much, much more...  The only way I see this issue resolved
>is if we eliminated Model_Specific Info, InOut and Out parameters
>from the spec.  Sorry.

I disagree.
As I see it, the EDA tool functions as a conduit between the model and the 
user, for parameters of type Model_Specific. That is, the EDA tool provides the 
necessary GUI interface elements to allow the user to make certain selections, 
regarding the model's proprietary behavior. How does the user make intelligent 
decisions, in this regard? Presumably, by reading the User's Guide that came 
with the model from the silicon vendor.

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