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596 Commits

Author SHA1 Message Date
Hunter Nichols ebc91814e5 Fixed various issues with imported code from CACTI, added CACTI as an option for analytical sim, added placeholder names in tech files for CACTI 2021-07-12 15:48:47 -07:00
Hunter Nichols c1efa2de59 Added delay function for cacti, moved cacti related delay functions to hierarchy_spice, and trimmed the functions to remove irrelevant options for OpenRAM. 2021-07-07 13:22:30 -07:00
mrg 2711093442 Improve signal debug output 2021-07-01 12:47:17 -07:00
mrg bbdc728ac5 Edits to functional simulation. 
Use correct .TRAN with max timestep.
Seed functional sim with a 3 writes to start for more read addresses.
Move formatting code to simulation module to share.
 2021-07-01 09:59:13 -07:00
Hunter Nichols 8c48520de6 Added cacti-like model and adapted several functions from cacti into python. 2021-06-30 15:50:54 -07:00
mrg 1ae68637ee Utilize same format for output 2021-06-29 17:04:32 -07:00
mrg 91603e7e01 Fix spare+value notation error 2021-06-29 16:44:52 -07:00
mrg 927de3a240 Debugging then disabling spare cols functional sim for now. 2021-06-29 15:47:53 -07:00
mrg 4a9f361ab9 Save raw file by default for Xyce. Change command debug level. 2021-06-29 11:27:33 -07:00
mrg ee1c2054d3 Add formatted debug output 2021-06-29 11:26:49 -07:00
mrg d2a1f6b654 Add num_rows/cols to sim 2021-06-29 09:35:33 -07:00
mrg c4aec6af8c Functional fixes. 
Off by one error of max address with redundant rows.
Select reads 3x more during functional sim.
 2021-06-29 09:33:44 -07:00
Hunter Nichols 294ccf602e Merged with dev, addressed conflict in port data 2021-06-21 17:23:32 -07:00
Hunter Nichols 470317eaa4 Changed bitcell exclusion to instead exclude array instances to prevent issues of module exclusion affecting other modules. 2021-06-21 17:20:25 -07:00
mrg d53bc98ff5 Exit with error when spice models not found. Use ngspice if no simulator defined. 2021-06-21 13:14:08 -07:00
Hunter Nichols 131ff8bcef Changed the regression test to only run models for the output being tested. 2021-06-16 23:50:20 -07:00
mrg b7f1c8e8fc Fix name for detecting single port 2021-06-16 19:07:56 -07:00
mrg c7c319c11f Use extra bitcell version tag only for single port in sky130 2021-06-16 19:06:12 -07:00
mrg d119a0e7ff Use sky130 bitcell in simulation for BLs 2021-06-16 18:45:53 -07:00
mrg 6ac082ce23 Only replace simulator if it is defined. 2021-06-16 10:44:13 -07:00
Hunter Nichols 74b55ea83b Added a graph exclusion clear for the mux to prevent previous graph creations causing bugs. 2021-06-14 14:39:54 -07:00
Hunter Nichols 7df36a916b Added an exclusion for unused column mux paths to prevent multiple outputs paths in graph. 2021-06-14 13:51:52 -07:00
mrg 8964abc2b7 Change simulator based on one in use. 2021-06-09 16:02:32 -07:00
Hunter Nichols 4ec2e1240f Merge branch 'dev' into automated_analytical_model 2021-06-09 15:45:41 -07:00
Hunter Nichols ccf98ad5a6 Added accuracy check in regression model test. 2021-06-09 13:44:42 -07:00
Hunter Nichols b6b20c1f43 Removed level 0 debug statements for bitlines naming. 2021-06-09 12:53:31 -07:00
Hunter Nichols f25dcf1b63 Fixed issue with bitline name warning occuring when no issue is present. 2021-06-09 12:52:26 -07:00
Hunter Nichols 3d82718f5a Changed neural network model to be sklearn based 2021-06-07 12:26:45 -07:00
Hunter Nichols 331e6f8dd5 Added functions for testing accuracy of current regression model and associated test. 2021-06-04 15:04:52 -07:00
Hunter Nichols 54639bbb94 Added more data for regression models 2021-06-04 13:37:21 -07:00
mrg 537fd6eff9 Use None instead of empty string for tool names. 2021-06-01 16:41:14 -07:00
Hunter Nichols b3bcf48d2e Merge branch 'dev' into automated_analytical_model 2021-05-26 18:42:24 -07:00
Hunter Nichols a53c6c51ed Added sim data for freepdk45 and removed stale data 2021-05-26 18:40:46 -07:00
mrg e16f44cc81 Update lib file with external supply names 2021-05-26 15:34:32 -07:00
mrg 4a8e0cdabb Add top-level pin functionality 2021-05-26 15:04:52 -07:00
Hunter Nichols 2f4f8ca912 Fixed conflicts in delay and elmore modules on merge with dev. 2021-05-25 15:25:43 -07:00
Hunter Nichols 76f5578cc1 Removed path delays from characterization output to not disturb the current testing flow. 2021-05-25 15:19:27 -07:00
Hunter Nichols 23368c0fcf Updated tests and elmore model with load_slew lists. Changed naming on characterization output to not clash with testing. 2021-05-25 14:49:28 -07:00
Hunter Nichols 1488b31dce Adjusted model prediction to account for a single datafile. Adjusted unscaling data as well. 2021-05-24 12:53:51 -07:00
Hunter Nichols 53503f40d2 Changed util functions to expect multiple outputs in data. Changed train models to account for multiple outputs when reading in data. 2021-05-24 12:03:26 -07:00
mrg 9c01e22281 Prioritize Xyce. 2021-05-21 12:05:10 -07:00
mrg f856a44376 Restrict to direct KLU solver 2021-05-21 12:04:26 -07:00
mrg fc17a1ff45 Xyce can be capital or lower case 2021-05-21 12:04:26 -07:00
mrg eadf7eedc5 Prioritize Xyce to last until bugs resolved. 2021-05-21 10:01:37 -07:00
Hunter Nichols 41c8eeb23c Adjusted paths in makefile for generating data used in regression models 2021-05-20 13:05:16 -07:00
Hunter Nichols 0434e57609 Added target in makefile to run configs and store results in tech directory. 2021-05-17 14:03:32 -07:00
mrg 3abebe4068 Add hierarchical seperator option to work with Xyce measurements. 2021-05-14 16:16:25 -07:00
mrg 7534610cdd Add MPI capability for Xyce threading. 2021-05-14 11:45:37 -07:00
mrg 67a67111a6 Initial Xyce support. 2021-05-14 11:28:29 -07:00
mrg 3959cf73d1 Remove setup/hold measure and compute it directly. 2021-05-14 10:11:14 -07:00
mrg 9555b52aaa Remove setup/hold measure and compute it directly. 2021-05-14 10:01:10 -07:00
Hunter Nichols 16904496ac Made path delays write out to the extended OPTS file. 2021-05-05 01:14:54 -07:00
Hunter Nichols b8c7fcf182 Removed measurement check which conflicts with multiport memories 2021-04-21 15:53:27 -07:00
Hunter Nichols 5dad0f2c0e Merged with dev, fixed import conflict in lib 2021-04-18 23:59:35 -07:00
mrg 61b1b90dd3 Use built in binary conversion. Improve spare debug output. 2021-04-07 16:08:29 -07:00
mrg 5843aa037c Update functional test to use spare columns separately. 
Fix no spare columns data width error.
 2021-04-07 16:08:24 -07:00
mrg d609e4ea04 Reimplement trim options (except on unit tests). 
Allow trim netlist to be used for delay and functional simulation.
Each class implements a "trim_insts" set of instances that can be removed.
By default far left, right, top and bottom cells in the bitcell arrays are kept.

Use lvs option in sp_write

Fix lvs option in sram.
 2021-04-07 16:07:56 -07:00
mrg 014c95f761 Add accounting output to ngspice 2021-04-01 16:48:15 -07:00
mrg c7f99aef2c Add functional comment to aid debugging checks. 2021-03-31 12:14:20 -07:00
mrg 671470f5f2 Skywater changes. 
Default 1 thread and no temp subdirectory.
Add skywater setup/hold golden data
Add CLI option for simulation threads (-m)
Add compatibility mode option and nomodcheck for ngspice to speed up sky130 model loading.
Make subdir when using default /tmp dir.
Pass num_threads so temp subdirs are created.
 2021-03-22 15:48:14 -07:00
Hunter Nichols 6f01ab4792 Added simulation time modeling to regression model. 2021-03-22 12:55:29 -07:00
Hunter Nichols 208586a8e8 Added simulation time in the datasheet 2021-03-22 12:21:10 -07:00
Hunter Nichols 2cd3d28add linear regression model coefficients are now written to the extended config file 2021-03-02 13:14:56 -08:00
mrg 90cb9f581f Fixes to get hspice delay test to pass. 2021-03-02 09:28:41 -08:00
mrg 9e7c04a43a Merge lekez2005 changes WITHOUT control logic change. 2021-03-01 15:19:30 -08:00
mrg 4ab694033d Merge remote-tracking branch 'bvhoof/dev' into dev 2021-03-01 12:16:26 -08:00
Bob Vanhoof f5a9ab3b2c cleanup clutter 2021-03-01 15:23:57 +01:00
Bob Vanhoof fde8794282 calibre pex modifications to run hierarchical pex 2021-03-01 09:56:25 +01:00
ota2 9d025604ff Simulate calibre extracted netlists without requiring extra layout ports 2021-02-27 19:29:18 -05:00
ota2 9a2987ad07 Add spectre simulator 2021-02-27 19:25:00 -05:00
Hunter Nichols d3ef1d7b85 Changed to ridge model to reduce effects of overfitting on small models. 2021-02-26 11:00:21 -08:00
Hunter Nichols b5516865f1 Added option to allow specific load/slew combinations in config file. 2021-02-24 16:43:34 -08:00
Hunter Nichols 2ce802612b Stopped script from crashing if area is not included in the model dataset 2021-02-17 10:42:01 -08:00
Hunter Nichols ad1509b29b Added local_array_size as an input to the model 2021-02-17 10:00:11 -08:00
Hunter Nichols 3f5fd0b6f4 Merge branch 'dev' into automated_analytical_model 2021-02-15 15:20:49 -08:00
Hunter Nichols c308dd34a4 Merge branch 'dev' into elmore_model_tuning 2021-02-15 14:50:56 -08:00
Hunter Nichols 4700f14e82 Removed area as an input feature to regression model 2021-02-10 14:20:38 -08:00
mrg b82b7aaf28 PEP8 format 2021-02-10 12:10:04 -08:00
Hunter Nichols f81c1ee4fc Contents of previous datasheet truncated if paths are the same 2021-02-05 16:51:35 -08:00
mrg 19e99d1c7b Enable parallel regression testing. 2021-02-03 14:19:11 -08:00
Hunter Nichols df8d59f32e Merge branch 'dev' into automated_analytical_model 2021-02-01 01:49:45 -08:00
Hunter Nichols 7bed5bdd1c Added option for model to specify regression model data path. 2021-01-25 14:24:54 -08:00
Matt Guthaus 30fc81a1f0 Update copyright year. 2021-01-22 11:23:28 -08:00
Hunter Nichols e26e17c53f Added option to specify exact corners for characterization in config file 2021-01-22 00:50:28 -08:00
Hunter Nichols d1b240dfb5 Added nom_voltage, etc back but changed values to replicate the operating conditions. Readded nom values back in golden files. 2021-01-21 13:52:55 -08:00
Hunter Nichols b0c2722583 Changed lib file to only contain reference to the operating voltage and removed nominal voltage references. 2021-01-19 15:22:50 -08:00
Hunter Nichols 70fe90f0af Added shared classes between regression models, added and changed some debug messages 2021-01-19 14:19:50 -08:00
Hunter Nichols 6d2a35e929 Changed most lists to dict to reduce hardcoded indices 2021-01-19 13:47:54 -08:00
Hunter Nichols 1881d43948 Added initial neural network model 2021-01-13 14:07:52 -08:00
Hunter Nichols ed3d39a1b8 Added updated model data with slews and loads. Changed linear regressions to account for additional models. 2021-01-13 13:04:34 -08:00
Hunter Nichols d6d8a037f1 Added values to datasheet info which will be used for model training 2021-01-11 15:20:56 -08:00
Hunter Nichols 6b053c8185 Adjusted margin for the period in elmore model 2021-01-11 12:53:14 -08:00
Hunter Nichols d8437249f7 Condensed some datasheet code in lib.py 2021-01-06 15:53:22 -08:00
Hunter Nichols bb841fc84d Added option to output the datasheet.info file. 2021-01-06 12:45:34 -08:00
Hunter Nichols 9edaca0616 Changed tech path in linear regression to use openram_tech option. 2020-12-22 16:45:04 -08:00
Hunter Nichols 6eac0530a1 Added words per row to datasheet 2020-12-22 15:00:11 -08:00
Hunter Nichols 732404b330 Added an option that prevents lib.py from generating corners and only uses corners in config file. 2020-12-17 15:32:15 -08:00
Hunter Nichols 240dc784af Fixed issue with static inputs causing errors. Added corners to linear regression inputs. 2020-12-17 14:54:43 -08:00
Hunter Nichols b760656572 Made process a required feature. Fixed issue with features that have the same max and min 2020-12-17 14:08:45 -08:00
Hunter Nichols 56c4c89720 Adjusted error margin for period in analytical model and added check in model test. 2020-12-17 01:34:53 -08:00