I see below numbers being used as area in config.t...
# openlaner
Ryan R
08/29/2022, 12:35 PMI see below numbers being used as area in config.tcl in RUNS area-- how does openlane estimate these number ??
set ::env(CORE_AREA) {5.52 10.88 44.16 48.96}
set ::env(DIE_AREA) {0.0 0.0 50.045 60.765}
v
Vijayan Krishnan
08/29/2022, 12:35 PMcan you share your
config.tclr
Ryan R
08/29/2022, 12:36 PMset ::env(DESIGN_NAME) "ABC"
set ::env(VERILOG_FILES) [glob ./designs/ABC/src/*.v ./designs/ABC/src/*.h ]
set ::env(CLOCK_PERIOD) "10.000"
set ::env(CLOCK_PORT) "clk"
set ::env(CELL_PAD) 4
set ::env(FP_IO_MIN_DISTANCE) {0.5}
set ::env(PL_BASIC_PLACEMENT) {1}
set filename ./designs/$::env(DESIGN_NAME)/$::env(PDK)_$::env(STD_CELL_LIBRARY)_config.tcl
if { [file exists $filename] == 1} {
source $filename
}
v
Vijayan Krishnan
08/29/2022, 12:38 PMupdate
FP_CORE_UTIL30Vijayan Krishnan
08/29/2022, 12:40 PMset ::env(FP_CORE_UTIL) 30set ::env(FP_IO_MIN_DISTANCE) {3}r
Ryan R
08/29/2022, 12:41 PMset ::env(FP_IO_MIN_DISTANCE) {0.5} - already did , but had some other issue, let me try the FP_CORE_UTIL var
v
Vijayan Krishnan
08/29/2022, 12:41 PM0.5 is two low. maybe 1/2 try
Vijayan Krishnan
08/29/2022, 12:42 PMOr else go with fixed die size 100x100
r
Ryan R
08/29/2022, 12:42 PMaccha.... i have now given a fixed die dize of 500x500
Ryan R
08/29/2022, 12:45 PMyeah ... 500x500 seems way to high . lot of space getting wasted
Ryan R
08/29/2022, 12:45 PMimage.png