remove_placement_blockages [get_placement_blockages -filter "blockage_type == soft" ]
remove_placement_blockages [get_placement_blockages PB* ]
remove_placement_blockages [get_placement_blockages pb* ]
reset_placement
set_app_options -name plan.macro.buffer_channel_width -value 16um
set_app_options -name plan.macro.macro_place_only -value true
set_app_options -name plan.macro.spacing_rule_widths -value { 2um 16um }
set_app_options -name plan.macro.spacing_rule_heights -value { 2um 16um }
set_app_options -name plan.macro.grouping_by_hierarchy -value true
create_placement -floorplan