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233 | ###############################################################################
# Copyright (c) 2005-2024 by Altair Engineering, Inc.
# All rights reserved.
#
# Altair Engineering, Inc. makes this software available as part of the Vision
# tool platform. As long as you are a licensee of the Vision tool platform
# you may make copies of the software and modify it to be used within the
# Vision tool platform, but you must include all of this notice on any copy.
# Redistribution without written permission to any third party, with or
# without modification, is not permitted.
# Altair Engineering, Inc. does not warrant that this software is error free
# or fit for any purpose. Altair Engineering, Inc. disclaims any liability for
# all claims, expenses, losses, damages and costs any user may incur as a
# result of using, copying or modifying the software.
# =============================================================================
# @plugin
# Find Heavy Cs and Rs
# @namespace
# HeavyCR
# @section
# Analyze the Loaded Database
# @description
# The heavyCR procedure loops over all C or R and checks each value
# (capacitance or resistance) and collects the 10 objects with the
# biggest values. The 10 biggest Cs and 10 biggest Rs are stored in the
# Mem window. heavyCR is the tree-based version.
# @non-interactive
# @files
# heavyCR.tcl
# @example
# demo/spice/amd2901.sp
# demo/spice/csim90/g1310.sp
# demo/spice/csim90/gm1.sp
# demo/spice/gl85.sp
# @cmdline
# -hspice @example[0]
# -userware @files[0]
# @tag
# spice parasitic dspf spf
###############################################################################
# =============================================================================
# Init - Initialize the plugin.
# =============================================================================
#
proc HeavyCR:Init {} {
gui database runOrRegisterChangedCallback HeavyCR:Run
}
# =============================================================================
# Finit - Finalize the plugin.
# =============================================================================
#
proc HeavyCR:Finit {} {
gui database removeChangedCallback HeavyCR:Run
}
# =============================================================================
# Run - The heavyCR procedure loops over all C or R and checks each value
# (capacitance or resistance) and collects the 10 objects with the
# biggest values. The 10 biggest Cs and 10 biggest Rs are stored
# into the Mem window.
# =============================================================================
#
proc HeavyCR:Run {db} {
##
# Return if the database is empty.
#
if {$db == {}} {
return
}
set CAPList {} ;# top-ten list
set RESList {} ;# top-ten list
##
# loop over all instances in all modules
#
$db foreach module mod {
$db foreach inst $mod inst {
##
# skip instances of modules
#
if {[$db isModule $inst]} {
continue
}
##
# skip everything except Cs and Rs
#
set func [$db primFuncOf $inst]
##
# check attribute R & C (the Spice parser stores value there).
# and insert this C or R into top-ten list
#
if {$func == "CAP"} {
set value [$db attr $inst getValue "C"]
if {$value == ""} {
continue
}
set value [HeavyCR:map_spice_unit $value]
if {$value == ""} {
continue
}
set CAPList [HeavyCR:addTopTen $CAPList $value $inst]
}
if {$func == "RES"} {
set value [$db attr $inst getValue "R"]
if {$value == ""} {
continue
}
set value [HeavyCR:map_spice_unit $value]
if {$value == ""} {
continue
}
set RESList [HeavyCR:addTopTen $RESList $value $inst]
}
}
}
##
# Clear and activate the Mem Window
#
gui mem clear
gui window show Schem
gui window show Mem
##
# Get the top ten list of heavy Cs and Rs.
#
set topTenC [HeavyCR:getTopTen $CAPList]
set topTenR [HeavyCR:getTopTen $RESList]
##
# Store the result into the Mem Window.
#
set res $topTenC
if {[llength $res] > 0} {
lappend res "------"
}
lappend res {*}$topTenR
gui mem append $res
##
# Display attributes in tooltips
#
gui settings set "tooltipsWithAttrs" 1
}
# -----------------------------------------------------------------------------
# map_spice_unit - The map_spice_unit procedure maps spice values like 0.5n
# or 12.8k to the base unit or returns "" if the value is
# not ok.
# -----------------------------------------------------------------------------
#
proc HeavyCR:map_spice_unit {val} {
if {[scan $val "%g%s" v unit] == 2} {
set u 1
switch -glob -- [string tolower $unit] {
t* {set u 1e12}
g* {set u 1e9}
meg* {set u 1e6}
k* {set u 1e3}
mil* {set u 25.4e-6}
m* {set u 1e-3}
u* {set u 1e-6}
n* {set u 1e-9}
p* {set u 1e-12}
f* {set u 1e-15}
default {}
}
return [expr {$v * $u}]
} else {
if {[string is double $val]} {
return $val
}
}
return "" ;# bad
}
# -----------------------------------------------------------------------------
# addTopTen - The addTopTen procedure inserts the given oid and value into a
# sorted list with max length of 10. The biggest values come first.
# -----------------------------------------------------------------------------
#
proc HeavyCR:addTopTen {list value oid} {
set entry [list $value $oid]
set i 0
foreach e $list {
if { $value > [lindex $e 0] } {
##
# insert entry before $e and limit list length to max 10.
#
set list [linsert $list $i $entry]
return [lrange $list 0 9]
}
incr i
}
if {$i < 10} {
##
# we didn't insert, but the list length is < 10 - so we append
#
lappend list $entry
}
return $list
}
# -----------------------------------------------------------------------------
# getTopTen - The getTopTen procedure returns a list of oids from the given
# top-ten list.
# -----------------------------------------------------------------------------
#
proc HeavyCR:getTopTen {list} {
set res {}
foreach n $list {
lappend res [lindex $n 1]
}
return $res
}
# =============================================================================
# Call the initialization procedure.
# =============================================================================
#
HeavyCR:Init
|