Could somebody help me on this

Question

Vijayan Krishnan · Answer

Its look like core utilization 100 reached Try with increase your core util or increase your die area Still facing issue raise GitHub issue with RTL file and the error log message

Dhayalakumar M · Answer

Thank Vijay May I know how to edit core util Since I didn t mention any constraint in config file

Vijayan Krishnan · Answer

more designs recursive stage1 config tcl Just share the above file

Vijayan Krishnan · Answer

or refer designs recursive stage1 runs 23 09 05 29 config tcl more configuration details

Dhayalakumar M · Answer

inside run dir

Dhayalakumar M · Answer

inside design config file

Vijayan Krishnan · Answer

```set env FP CORE UTIL 49 ``` Decrease above value to 40 ```set env PL TARGET DENSITY 0 54 ``` increase this value to 0 6 and try Keep modify these value and re run flow to resolve congestion issue

Vijayan Krishnan · Answer

Add above lines in designs recursive stage1 config tcl

Dhayalakumar M · Answer

I have this file also but i didn t used this file could you please explain am I need to use this file for editing the core values

Vijayan Krishnan · Answer

if this configuration working mean update those values in config tcl and try it

Dhayalakumar M · Answer

The change in json file not reflecting that s why I didn t use the file

Dhayalakumar M · Answer

Even in config file also its not reflecting it always choosing the same values as 48 and 0 54

Vijayan Krishnan · Answer

Just edit in config tcl and paste this and try it Design set env DESIGN NAME recursive stage1 set env VERILOG FILES glob designs recursive stage1 src v set env CLOCK PERIOD 10 000 set env CLOCK PORT clk set env CELL PAD 4 set env RUN SPEF EXTRACTION 0 set env FP CORE UTIL 65 set env PL TARGET DENSITY 0 7 set env SYNTH MAX FANOUT 6 set env FP PIN ORDER CFG $ env OPENLANE ROOT designs spm pin order cfg set filename designs $ env DESIGN NAME $ env PDK $ env STD CELL LIBRARY config tcl if file exists $filename == 1 source $filename

Vijayan Krishnan · Answer

Add above lines in designs recursive stage1 config tcl location will overwrite default value

Dhayalakumar M · Answer

Its still same the value is not getting reflected in run directory it always showing 49 and 0 54 for the mentioned parameters

Dhayalakumar M · Answer

config tcl

Vijayan Krishnan · Answer

which path config tcl are you updating what is the command are you using to run the flow

Dhayalakumar M · Answer

Path for config design recursive stage1 config tcl run command flow tcl design recursive stage1

Vijayan Krishnan · Answer

design recursive stage1 config tcl just display here

Dhayalakumar M · Answer

config tcl

Dhayalakumar M · Answer

the error message got changed from 116 util to 67 and still target density has error but tcl file has no effect

Vijayan Krishnan · Answer

```set env FP CORE UTIL 40 ``` Update and run

Dhayalakumar M · Answer

sky130A sky130 fd sc hd config tcl file has replacing the values given after change values in that tcl it got reflected but got new error as

Vijayan Krishnan · Answer

Raise GitHub issue in Openlane

Dhayalakumar M · Answer

thank you vijay for your help and valuable time I ll raise it