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f61bac1 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | fr_import_lef "path/to/example.lef"
fr_import_def "path/to/example.def"
set_output_file "path/to/output.guide"
set_capacity_adjustment 0.X
set_layer_adjustment M 0.N
set_region_adjustment lx ly ux uy layer adjustment
set_min_layer Y
set_max_layer Z
set_unidirectional_routing B
run
exit
# fr_import_lef: string input. set the lef file that will be loaded
# fr_import_def: string input. set the def file that will be loaded
# set_output_file: string input. indicate the name of the generated
# guides file. do not need ".guide" extension
# set_pitches_in_tile: integer input. indicate the number of routing tracks per tile
# set_capacity_adjustment: float input. indicate the percentage reduction
# of each edge. optional
# set_layer_adjustment: integer, float inputs. indicate the percentage
# reduction of each edge in a specified layer
# set_region_adjustment: int, int, int, int, int, float. indicate the
# percentage reduction of each edge in a specified region
# set_min_layer: integer input. indicate the min routing layer
# available for FastRoute. optional
# set_max_layer: integer input. indicate the max routing layer
# available for FastRoute. optional
# set_unidirectional_routing: boolean input. indicate if unidirectional
# routing is activated. optional
# start_fastroute: initialize FastRoute4-lefdef structures
# run_fastroute: run only FastRoute4.1 algorithm, without write guides
# write_guides: write guides file. Should be called only after run_fastroute
# run: execute FastRoute4-lefdef flow
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