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Changelog.md

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2.5.3

Common

  • Add a simulation summary for the ngspice tool

2.5.2

Common

  • Add reserved variable netlist_source

2.5.1

CLI

  • Allow parameters to be specified via --parameter as a pattern
  • Add --skip-parameter to skip certain parameters
    • Applied after parameters have been queued via --parameter
    • Also allows the use of patterns

2.5.0

Common

  • Implement custom scripts for the ngspice tool
    • script specifies the Python script
    • script_variables specifies the output variables
  • Improve various error messages
  • Variables in collate and plot entries can be specified with or without bit vectors ([a:b]). For now bit vectors are unused.
  • A collate condition can still be used in a plot (but won't be displayed in the legend).

Documentation

  • Added a tutorial for custom scripts using the ngspice tool

2.4.14

Common

  • Implement plot limits
    • Plots have an optional argument limits, which can be true, false or auto

2.4.13

Common

  • Add runs path to datasheet
    • Specifies where the runs directory will be created

CLI

  • Add --run-path to arguments
    • Overrides runs path from datasheet

2.4.12

Common

  • Add magic_antenna_check as a tool
    • Performs antenna violation checks using magic
    • Returns antenna_violations, the number of violations that have occured

2.4.11

Common

  • Improve netlist regeneration:
    • Call extract no all when netlist source is layout
    • Use correct layout image names when GDS is compressed
    • Don't crash when GDS layout is not found

2.4.10

Common

  • Fix: Do not include broken links in the documentation if no layout is available

2.4.9

Common

  • Generate a gzip compressed GDS file from magic layout

2.4.8

Common

  • Use absolute path for layout

2.4.7

Common

  • Use path search +path in magic

2.4.6

Common

  • Improve layout detection
    • Fix .gds.gz handling
    • Unify codepaths for layout detection
    • Unify log messages during regeneration

2.4.5

Common

  • Improve plots
    • Sort minimum/typical/maximum labels
    • Connect points with the same condition on the x-axis
  • Print when netlists do not need regeneration

2.4.4

Common

  • Named results
    • Tools generate named results
    • Spec entries apply per result
  • Named plots
    • Enable multiple plots per paramter
  • Improve documentation generation
    • Copy plots to the documentation directory and reference them in the Markdown

2.4.3

Common

  • New format for CACE substitutions
    • CACE{condition} and CACE[expression]
    • Fallback for datasheet version <= 5.0
  • Export the schematic netlist with top_is_subckt enabled, which preserves certain spice parameters. This improves the simulation accuracy compared to layout extracted.
  • Fix for layout extraction: Reload the top cell after readspice

2.4.2

Common

  • Do not perform substitutions if the conditions is not defined.

2.4.1

CLI

  • After successful execution of CACE, the documentation is generated under the specified path "documentation"
    • Generate Markdown summary of the design
    • Generate Markdown summary of the results
    • Export the symbol as SVG
    • Export the schematic as SVG
    • Export the layout as PNG
  • Added --nofail argument

2.4.0

Common

  • Major rewrite of tool implementations:
    • Each tool inherits from the Parameter class
    • Behavior is implemented by overwriting methods
    • Registered via @register_parameter
  • Unified physical_parameters and electrical_parameters to parameters
  • Each parameter and each simulation run of a parameter (e.g. ngspice) has their own subfolder
  • Rewrite of the result handling
  • Rewrite of plotting
  • Added the klayout_drc tool
  • GDSII will be automatically generated from mag files
    • Tools using magic will prefer mag files

CLI

  • Remove --keep argument since all files are kept under run/
  • Added --save argument to save the summary upon successful completion
  • Cancel run with Ctrl+C

GUI

  • Temporarily disable the GUI until it can be revised with the current changes

2.3.11

Common

  • Bugfix: Do not crash if certain entries are missing from authorship
  • Improvement: Allow to specify 'null' as null

2.3.10

Common

  • Improve the .txt to .yaml conversion: export numbers as integers or float

2.3.9

Common

  • Fix paths in default LVS setup

2.3.8

GUI

  • Added --max-runs to limit the maximum number of runs in the run folder

CLI

  • Print the total runtime after completion
  • Removed --no-simulation as the output files never exist in a new timestamp
  • Renamed --parallel_parameters to --parallel-parameters
  • Added --max-runs to limit the maximum number of runs in the run folder

2.3.7

Common

  • Add support for the -j/--jobs flag to limit the maximum number of jobs running in parallel
  • Parallelized simulations with collated conditions (Monte Carlo for example)

2.3.6

Common

  • Do not generate testbench netlists in parallel, this leads to race conditions

2.3.5

Common

  • Improve netlist generation
    • Schematic netlist is always generated to get the correct port order for the extracted netlists

2.3.4

Common

  • Abort early if netlist generation fails

2.3.3

Common

  • Add a new logging system (adopted from OpenLane 2)
  • Store output under run/timestamp/
  • New recommended design directory structure
  • Add support for {cond=value}

2.3.2

Common

  • Add portability checks for paths. Warn the user:
    • If there are any paths containing libs.tech or libs.ref that are not using {PDK_ROOT}
    • If the path has the user's $HOME as a leading component

2.3.1

Common

  • Add Rich as dependency
  • Pass --batch to ngspice, to exit simulations after they are done

CLI

  • Add a progress bar
  • Render the Markdown of the summary
  • Bugfix: Show a fail in the summary if a simulation fails

2.3.0

Common

  • Remove JSON datasheet format
  • Add YAML datasheet format, set as default
  • Remove cli interface from cace_read.py and cace_write.py

GUI

  • Remove JSON in the file picker
  • Add YAML to the file picker
  • Remove bit-rotted load_results

CLI

  • Remove --json argument

2.2.7

Common

  • Improve extraction with only a GDS file

2.2.6

Common

  • Restored functionality of sequential runtime option

2.2.5

CLI

  • Add --version argument

GUI

  • Add --version argument

2.2.4

Common

  • Add markdown_summary

CLI

  • Call markdown_summary at the end and print to stdout
  • Change --summary argument to print to file

2.2.3

Common

  • Improve scheduling of parameters
    • Simpler and more reliable
  • Queued parameters can now be canceled

GUI

  • While a simulation is running, the netlist source cannot be changed

2.2.2

Common

  • Lower setuptools_scm requirement to >=7

2.2.0

2.2.1

GUI

  • Don't crash if no datasheet is found

2.2.0

CLI

  • Simplify the code a lot
  • Use the SimulationManager

GUI

  • Use the SimulationManager
  • Simulations can now be stopped
  • Only update row with simulation results
  • Added GUI option for parallel_parameters
  • Fix setting limits in edit window

Common

  • Create the SimulationManager that owns the datasheet and performs the simulations
  • PhysicalParameter - Class to manage evaluation of physical parameters
  • ElectricalParameter - Class to manage evaluation of electrical parameters
  • SimulationJob performs the simulation via ngspice
  • Added runtime option parallel_parameters, determines how many parameters run in parallel
  • Export PDK_ROOT for other tools

2.1.17

CLI

  • Use argparse

GUI

  • Use argparse

Common

  • Fixed two issues deemed "severe" #47