[SI-LIST] Re: HSPICE Problem: **warning** element name <oldname> is truncated as <newname>
- From: "Tracy Barclay" <Tracy.Barclay@xxxxxxxxxxxx>
- To: <cbrabandt@xxxxxxxxx>
- Date: Thu, 13 Nov 2003 10:03:35 -0800
Hi Cal,
I believe what you are referring to is a message that appears in the
operating point information that HSPICE outputs to the *.lis file. It's a
warning that HSPICE truncated the node names so that the formatting of the
operating point information is readable. HSPICE did not truncate the names
during the simulation.
The warning has been around for a few years but, the reason it exists is
because it's a way (not a really good one) of dealing with a legacy thing
left over from the days when node and element names were restricted to 16
characters. In the 2003.09 release, the default for the LENNAM option is
increased to 16 characters and it can be set to 1024 characters which is
also the maximum node and element name length. So, in this case if .option
LENNAM=40 is set, the operating point information will be printed with
complete node names and the formatting of the *.lis file will change in
order to keep the output readable and accommodate the complete node name.
Tracy Barclay
CAE
Synopsys, Inc.
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx
[mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of Calin Brabandt
Sent: Wednesday, November 12, 2003 17:33
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] HSPICE Problem: **warning** element name <oldname> is
truncated as <newname>
I have an HSPICE I/O buffer model library. If I run
it in a simple testbench (driver into a testload or a
simple dirver/receiver pair), it runs correctly. If I
run it in a large deck with a full chipset, it
truncates and renames hundreds or even thousands of
nodes in my library model and many node names lose
their uniqueness. The result is the netlist is
converted into a large and non-functional, shorted
wad. The node names are about 30-40 chars in
length.
Im running Synopsys 2002.2.2 and I've tried 2003.3.
Am I hitting some kind of environment limit on node
name buffer space?
Thanks,
Cal Brabandt
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