Justin Fisher e50dee9ccc Loading a production PDK model library (a deck that pulls in roughly 50,000 parameter definitions and expands to about 70,000 lines) took ngspice over 15 minutes -- before a single timestep was simulated. The circuit itself was small; the time went entirely into reading the input. This branch attempts to rectify that. This new parser now load the same deck in 5.3s. The parser itself takes about 0.7s with the rest of the time taken by ngspice itself		2026-08-02 18:01:27 +02:00
..
Monte_Carlo	Fix internet address	2022-04-25 21:30:07 +02:00
SkywaterOpenSourcePDK	Add two simple Skywater PDK examples, inverter and ISCAS85 C7552	2025-05-24 11:13:43 +02:00
TransImpedanceAmp	Some hints how to use this file	2018-08-18 11:28:27 +02:00
TransmissionLines	Better visibility of the results	2023-07-15 11:11:48 +02:00
cider	Enable CIDER with KLU for DC, OP, and TRAN analyses. Small signal AC analysis is not yet supported for CIDER complex valued device KLU matrices. The examples/cider testcases produce printed simulation result values which have slight differences between Sparse and KLU. Differences are probably expected and in a few cases are ~1-2%, sometimes a little more. This should be good enough for most CIDER analyses. Francesco did a good piece of work. Runtimes are significantly shorter with KLU.	2026-02-03 13:55:12 +01:00
control_structs	S-parameters: Replace S11 by S_1_1 etc. to avoid ambiguity	2022-04-29 07:29:14 +02:00
ddt	Remove unused variable debarr.	2022-12-11 15:39:10 +01:00
digital	Corrections to voltage pulses.	2026-04-04 13:37:32 +02:00
hicum2	prevent non-monotonic scale	2020-12-22 11:12:54 +01:00
inductive-systems	examples/inductive-systems/*, add test files	2017-01-02 20:02:19 +01:00
klu/Circuits	iscas_stdcell.lib need geometry parameters, but is not used anyway, so commented out	2024-12-15 10:25:07 +01:00
loops	Repeat loop requires plain number, transformed vector, or transformed variable	2024-03-19 17:05:10 +01:00
measure	Enable expressions in a meas statement within a .control section, like	2025-07-29 10:37:59 +02:00
memristor	Better graphics	2026-02-03 14:23:07 +01:00
mos	Update: add frequency measurement and temperature dependency.	2026-02-03 14:14:18 +01:00
noise	implement osdi noise support	2023-11-04 19:36:30 +01:00
numparam	Try to clarify the mechanism of parameter substitution and add	2024-11-02 22:41:59 +01:00
optran	F5 example removed, obsolete or needs to be improved.	2026-02-03 14:21:38 +01:00
osdi	options are not required	2025-05-24 10:58:45 +02:00
p-to-n-examples	Add note on compatibility mode psa	2024-12-06 22:41:31 +01:00
paranoia	Fix some typos.	2023-12-18 20:13:06 +01:00
plot	plotting/grid.c, bug fix, avoid string buffer overflow	2018-01-27 21:58:15 +01:00
probe	Adapt VDMOS Vth temperature coefficient to usual notation with - for nch and + for pch.	2026-02-03 14:21:50 +01:00
proc2mod	Added some examples.	2004-08-09 16:20:23 +00:00
pss	Show equal x axes	2026-04-24 20:49:14 +02:00
shared	Add an extended shared library test program with additional	2025-05-24 11:28:07 +02:00
snapshot	examples/snapshot: start, interrupt and resume simulation	2012-11-03 20:08:23 +01:00
soa	Add a comment to say that LT/PSPICE compatability is needed.	2023-07-31 14:29:50 +02:00
soi	enable simulation with 'option newtrunc'	2026-02-03 14:22:12 +01:00
sp	Improve S-parameter example: change node names to make plot clearer,	2026-04-01 07:35:20 +01:00
svg	File encoding is now UTF-8	2024-11-02 22:22:22 +01:00
tclspice	Loading a production PDK model library (a deck that pulls in roughly 50,000 parameter definitions and expands to about 70,000 lines) took ngspice over 15 minutes -- before a single timestep was simulated. The circuit itself was small; the time went entirely into reading the input. This branch attempts to rectify that. This new parser now load the same deck in 5.3s. The parser itself takes about 0.7s with the rest of the time taken by ngspice itself	2026-08-02 18:01:27 +02:00
transient-noise	Update test description	2026-02-03 14:16:23 +01:00
utf-8/стекло	Upgrade due to recent ngspice enhancements	2021-07-05 14:03:55 +02:00
various	Using mtimeavg	2026-02-03 14:23:41 +01:00
vbic	vbic: rm obsolete regression test	2024-05-01 10:34:01 +02:00
vdmos	Adapt VDMOS Vth temperature coefficient to usual notation with - for nch and + for pch.	2026-02-03 14:21:50 +01:00
wave	Update to the README.	2026-04-30 13:40:39 +02:00
xspice	Add non-nqs PSP model as well.	2026-04-30 11:22:08 +02:00