ChiPBench-D

This project represents the dataset part of ChiPBench. The code can be found on GitHub: ChiPBench.

Details

The file structure of the dataset is as follows:

ChiPBench-D
├── data
├── kits
├── raw_data
├── ForMacroPlace
├── getdata.py
├── utils.py

• data: Contains original RTL, netlist, DEF, and SDC files, along with specific LEF and LIB files for each case.
• kits: Contains global LEF and LIB files.
• raw_data: Includes all the original files used by OpenROAD. If you only need to evaluate placement algorithms, you can skip downloading this folder.
• ForMacroPlace: Contains DEF files for Macro Placement. If you only need to perform macro placement, you can download this folder only.
• getdata.py: Custom script for organizing data.
• utils.py: Dependencies for the getdata.py script.

data

data/Nangate45
├── case_name
│   ├── def
│   ├── lef
│   ├── lib
│   ├── rtl
│   ├── 1_synth.v
│   ├── config.mk
│   ├── constraint.sdc

• def: DEF files related to various stages of EDA.
• lef: Case-specific LEF files.
• lib: Case-specific LIB files.
• rtl: Original RTL files for the case.
• 1_synth.v: Synthesized netlist files for the case.
• config.mk: Configuration files for running in OpenROAD-flow-scripts.
• constraint.sdc: Timing constraint files for the case.

kits

kits/Nangate45
├── lef
├── lib

• lef: Contains global LEF files.
  • Nangate.lef: A combined LEF file from NangateOpenCellLibrary.macro.mod.lef and NangateOpenCellLibrary.tech.lef.
• lib: Contains global LIB files.

raw_data

Contains all original files, available for download as needed.

getdata.py & utils.py

Custom scripts for organizing data.

Parameters:

--formacroplace: Copies all macro placement DEF files for each case to the ForMacroPlace directory.
--forcellplace: Copies DEF files for cell placement cases (without macros) to the ForCellPlace directory.
--forallcellplace: Copies all DEF files for cell placement cases to the ForAllCellPlace directory.
--afterstage: Copies files from all cases after the specified stage (place, route, cts) to the corresponding directory.
--getnetlist: Copies netlist files from all cases to the netlist directory.

Example:

python getdata.py --formacroplace

The ForMacroPlace directory will contain the corresponding DEF files.

python getdata.py --afterstage="cts"

The after_cts directory will contain the corresponding DEF files.

ForMacroPlace

To facilitate usage, the ForMacroPlace directory generated by the above script has been uploaded.