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lvzhengyang
macroplacement
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1dcb83d4
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1dcb83d4
authored
Jun 20, 2022
by
ZhiangWang033
Committed by
GitHub
Jun 20, 2022
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set design "ariane"
set top_design "ariane"
set netlist "./design/ariane.v"
# def file generated by iSpatial flow
# where all the instances have been placed
set def_file "./design/ariane.def"
set ALL_LEFS "
./lefs/NangateOpenCellLibrary.tech.lef
./lefs/NangateOpenCellLibrary.macro.mod.lef
./lefs/fakeram45_256x16.lef
"
set LIB_BC "
./libs/NangateOpenCellLibrary_typical.lib
./libs/fakeram45_256x16.lib
"
set site "FreePDK45_38x28_10R_NP_162NW_34O"
foreach lef_file ${ALL_LEFS} {
read_lef $lef_file
}
foreach lib_file ${LIB_BC} {
read_liberty $lib_file
}
#######################################################################
### Author: Zhiang, May, 2022
### Uses OpenROAD API to convert the netlist to a hypergraph (in hemtis format)
### This file cannot be used directly. It will be called by
### generate_cluster.py
### All the parameters set here are meaningless.
### !!! Please don't touch this file !!!
########################################################################
#read_verilog $netlist
#link_design $top_design
#read_sdc $sdc
read_def $def_file
#read_sdc $sdc
#Generate the hypergraph
partition_design -max_num_inst 2000000 -min_num_inst 40000 \
-max_num_macro 12 -min_num_macro 4 \
-net_threshold 20 -virtual_weight 50 \
-num_hop 0 -timing_weight 1000 \
-report_file ${top_design}.hgr
exit
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