Could somebody help me on this?
# openlaned
Dhayalakumar M
09/23/2021, 5:41 AMCould somebody help me on this?
v
Vijayan Krishnan
09/23/2021, 5:48 AMIts 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.
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Dhayalakumar M
09/23/2021, 7:18 AMThank Vijay. May I know how to edit core util. Since I didn't mention any constraint in config file
v
Vijayan Krishnan
09/23/2021, 7:21 AMmore ./designs/recursive_stage1/config.tcl
Just share the above file
Vijayan Krishnan
09/23/2021, 7:24 AMor refer ./designs/recursive_stage1/runs/23-09_05-29/config.tcl more configuration details
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Dhayalakumar M
09/23/2021, 7:33 AMinside run dir.
Dhayalakumar M
09/23/2021, 7:33 AMinside design config file
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Vijayan Krishnan
09/23/2021, 7:37 AM Copy code
set ::env(FP_CORE_UTIL) "49" Copy code
set ::env(PL_TARGET_DENSITY) "0.54"Vijayan Krishnan
09/23/2021, 7:38 AMAdd above lines in ./designs/recursive_stage1/config.tcl
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Dhayalakumar M
09/23/2021, 7:44 AMI 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?
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Vijayan Krishnan
09/23/2021, 7:47 AMif this configuration working mean update those values in config.tcl and try it
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Dhayalakumar M
09/23/2021, 7:48 AMThe change in json file not reflecting that's why I didn't use the file.
Dhayalakumar M
09/23/2021, 7:52 AMEven in config file also its not reflecting. it always choosing the same values as 48 and 0.54
v
Vijayan Krishnan
09/23/2021, 7:53 AMJust 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
09/23/2021, 7:54 AMAdd above lines in ./designs/recursive_stage1/config.tcl location will overwrite default value
d
Dhayalakumar M
09/23/2021, 8:01 AMIts still same the value is not getting reflected in run directory it always showing 49 and 0.54 for the mentioned parameters
Dhayalakumar M
09/23/2021, 8:01 AMconfig.tcl
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Vijayan Krishnan
09/23/2021, 8:02 AMwhich path config.tcl are you updating?
what is the command are you using to run the flow?
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Dhayalakumar M
09/23/2021, 8:04 AMPath for config : /design/recursive_stage1/config.tcl
run command : ./flow.tcl -design recursive_stage1
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Vijayan Krishnan
09/23/2021, 8:08 AMdesign/recursive_stage1/config.tcl just display here
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Dhayalakumar M
09/23/2021, 8:12 AMconfig.tcl
Dhayalakumar M
09/23/2021, 8:31 AMthe error message got changed from 116 % util to 67% and still target density has error. but tcl file has no effect.
v
Vijayan Krishnan
09/23/2021, 8:40 AM Copy code
set ::env(FP_CORE_UTIL) "40"d
Dhayalakumar M
09/23/2021, 8:49 AMsky130A_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
v
Vijayan Krishnan
09/23/2021, 8:50 AMRaise GitHub issue in Openlane
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Dhayalakumar M
09/23/2021, 8:51 AMthank you vijay for your help and valuable time. I'll raise it.
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