Subject: DC-WG: 7/18 meeting minutes
From: Mark Hahn (mhahn@cadence.com)
Date: Tue Jul 25 2000 - 09:42:46 PDT
Meeting minutes from the 7/18/00 DC-WG teleconference
-----------------------------------------------------
Attendees:
Mark Hahn, Cadence
Paul Bonnel, Cadence
Simon Butler, Cadence
Joe Daniels, SEVA
Tom Dewey, Mentor
Bob Dilly, IBM
John Paul, IBM
Vikas Sharma, IBM
New action items:
Who When What
---------- ------ --------
1. Mark 8/1 Check whether negative values are allowed
for clock_uncertainty
2. Paul 7/25 Update quick reference to reflect proposal
for using casts to specify object types
3. Tom 7/25 Put together first pass at material for
recruiting new DC-WG members
Open action items:
Who When What
---------- ------ --------
1. Mark 6/20 Check on semantics for clock waveforms with
-> 6/27 edges shifted by one or more cycles from equivalent
-> 8/1 minimum edge times
2. Bob 6/20 Prepare waveform diagrams for waveform and
-> 6/27 derived_waveform
-> 8/1
3. Mark 6/20 Check on phase shift in derived_waveform
-> 6/27 (effect on ideal edge position versus effective
-> 8/1 edge position)
4. Mark 6/20 Check whether derived_waveform frequency adjustments
-> 6/27 can be real numbers
-> 8/1
Next Meeting:
The next meeting will be a teleconference on 7/25/00
from 10-12 am (PDT)
Details:
1. Action items
No progress since last week.
2. Parser status
Bob hasn't made much progress on the legal issues with
getting the parser released as open source. The date for a date
is 8/1.
Paul has been reviewing the parser and sending suggestions
about how to repackage it for multiple use models.
3. Discuss -from/-through/-to OR-AND semantics with multiple object types
We talked about various approaches for addressing this issue.
Although there wasn't much enthusiasm for the C++ casting approach,
we haven't found another workable approach.
4. Review changes in 0.3.5 draft
There were only minor corrections.
5. Review clock_domain, target_based_uncertainty,
common_insertion_delay
We agreed to remove the clock_domain command, as it is covered
by the -domain option to the waveform command.
We tentatively agreed to change the name of target_based_uncertainty
to target_uncertainty.
We agreed to use -from/-to options in common_insertion_delay,
to add -rise/-fall/-early/-late options, and make the value type
a delay_unsigned_time_value_list (one or four values).
Thanks,
Mark
-- Mark Hahn phone: (408) 428-5399 Senior Architect fax: (408) 894-3479 Cadence Design Systems email: mhahn@cadence.com
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