paramsFPGA.json

{
"scl_file" : {
    "descripton" : "input .scl file", 
    "default" : "", 
    "required" : "required for Bookshelf"
    },
"instance_file" : {
    "descripton" : "input .inst file", 
    "default" : "", 
    "required" : "required for Bookshelf"
    }, 
"pin_file" : {
    "descripton" : "input .pin file", 
    "default" : "", 
    "required" : "required for Bookshelf"
    }, 
"net_file" : {
    "descripton" : "input .net file", 
    "default" : "", 
    "required" : "required for Bookshelf"
    },
"routing_file" : {
    "descripton" : "input .routingUtil file", 
    "default" : "", 
    "required" : "required for Bookshelf"
    },
"util_file" : {
    "descripton" : "input .util file", 
    "default" : "", 
    "required" : "required for Bookshelf"
    },
"pickle_file" : {
    "descripton" : "input .pklz file", 
    "default" : "", 
    "required" : "required for Bookshelf"
    },
"load_pickle" : {
    "descripton" : "enable loading of pickle file", 
    "default" : 0 
    },
"aux_input" : {
    "descripton" : "input .aux file", 
    "default" : "", 
    "required" : "required for Bookshelf"
    }, 
"gpu" : {
    "descripton" : "enable gpu or not", 
    "default" : 1
    },
"num_bins_x" : {
    "descripton" : "number of bins in horizontal direction", 
    "default" : 512
    },
"num_bins_y" : {
    "descripton" : "number of bins in vertical direction", 
    "default" : 512
    },
"global_place_stages" : {
    "descripton" : "global placement configurations of each stage, a dictionary of {\"num_bins_x\", \"num_bins_y\", \"iteration\", \"learning_rate\", \"learning_rate_decay\", \"wirelength\", \"optimizer\", \"Llambda_density_weight_iteration\", \"Lsub_iteration\"}", 
    "default" : "", 
    "required" : "required"
    },
"target_density" : {
    "descripton" : "target density", 
    "default" : 1.0
    },
"density_weight" : {
    "descripton" : "initial weight of density cost", 
    "default" : 8e-5
    },
"random_seed" : {
    "descripton" : "random seed", 
    "default" : 1000
    },
"result_dir" : {
    "descripton" : "result directory for output", 
    "default" : "results"
    },
"scale_factor" : {
    "descripton" : "scale factor to avoid numerical overflow; 0.0 means not set", 
    "default" : 0.0
    },
"ignore_net_degree" : {
    "descripton" : "ignore net degree larger than some value", 
    "default" : 3000
    },
"gp_noise_ratio" : {
    "descripton" : "noise to initial positions for global placement", 
    "default" : 0.025
    },
"enable_fillers" : {
    "descripton" : "enable filler cells", 
    "default" : 1
    },
"global_place_flag" : {
    "descripton" : "whether to run global placement", 
    "default" : 1
    },
"legalize_flag" : {
    "descripton" : "whether use internal legalization", 
    "default" : 1
    },
"stop_overflow" : {
    "descripton" : "stopping criteria, consider stop when the overflow reaches to a ratio", 
    "default" : 0.1
    },
"dtype" : {
    "descripton" : "data type, float32 (or) float64", 
    "default" : "float32"
    },
"detailed_place_engine" : {
    "descripton" : "external detailed placement engine to be called after placement", 
    "default" : ""
    },
"detailed_place_command" : {
    "descripton" : "commands for external detailed placement engine", 
    "default" : "-nolegal -nodetail"
    },
"plot_flag" : {
    "descripton" : "whether to plot solution or not (Increases runtime)", 
    "default" : 0
    },
"RePlAce_ref_hpwl" : {
    "descripton" : "reference HPWL used in RePlAce for updating density weight", 
    "default" : 350000
    },
"RePlAce_LOWER_PCOF" : {
    "descripton" : "lower bound ratio used in RePlAce for updating density weight", 
    "default" : 0.95
    },
"RePlAce_UPPER_PCOF" : {
    "descripton" : "upper bound ratio used in RePlAce for updating density weight", 
    "default" : 1.05
    },
"gamma" : {
    "descripton" : "elfPlace: The base wirelenGamma is <this value> * average bin size",
    "default" : 5.0
    },
"random_center_init_flag" : {
    "descripton" : "whether perform random initialization around the center for global placement", 
    "default" : 1
    },
"sort_nets_by_degree" : {
    "descripton" : "whether sort nets by degree or not", 
    "default" : 0
    },
"num_threads" : {
    "descripton" : "number of CPU threads", 
    "default" : 8
    },
"dump_global_place_solution_flag" : {
    "descripton" : "whether dump intermediate global placement solution as a compressed pickle object", 
    "default" : 0
    },
"dump_legalize_solution_flag" : {
    "descripton" : "whether dump intermediate legalization solution as a compressed pickle object", 
    "default" : 0
    },
"routability_opt_flag" : {
    "descripton" : "whether enable routability optimization", 
    "default" : 0
    },
"route_num_bins_x" : {
    "descripton" : "number of routing grids/tiles", 
    "default" : 512
    },
"route_num_bins_y" : {
    "descripton" : "number of routing grids/tiles", 
    "default" : 512
    },
"node_area_adjust_overflow" : {
    "descripton" : "the overflow where to adjust node area", 
    "default" : 0.15
    },
"max_num_area_adjust" : {
    "descripton" : "maximum times to adjust node area", 
    "default" : 3
    },
"adjust_resource_area_flag" : {
    "descripton" : "Compute LUT/FF resource areas", 
    "default" : 1
    },
"adjust_route_area_flag" : {
    "descripton" : "whether use RUDY/RISA map to guide area adjustment", 
    "default" : 1
    },
"adjust_pin_area_flag" : {
    "descripton" : "whether use pin utilization map to guide area adjustment", 
    "default" : 1
    },
"area_adjust_stop_ratio" : {
    "descripton" : "area_adjust_stop_ratio", 
    "default" : 0.01
    },
"route_area_adjust_stop_ratio" : {
    "descripton" : "route_area_adjust_stop_ratio", 
    "default" : 0.01
    },
"pin_area_adjust_stop_ratio" : {
    "descripton" : "pin_area_adjust_stop_ratio", 
    "default" : 0.05
    },
"unit_horizontal_capacity" : {
    "descripton" : "number of horizontal routing tracks per unit distance for FPGA", 
    "default" : 209
    },
"unit_vertical_capacity" : {
    "descripton" : "number of vertical routing tracks per unit distance for FPGA", 
    "default" : 239
    },
"unit_pin_capacity" : {
    "descripton" : "number of pins per unit area for FPGA", 
    "default" : 50
    },
"max_route_opt_adjust_rate" : {
    "descripton" : "max_route_opt_adjust_rate", 
    "default" : 2.0
    },
"route_opt_adjust_exponent" : {
    "descripton" : "exponent to adjust the routing utilization map", 
    "default" : 2.0
    },
"pin_stretch_ratio" : {
    "descripton" : "pin_stretch_ratio", 
    "default" : 1.414213562
    },
"max_pin_opt_adjust_rate" : {
    "descripton" : "max_pin_opt_adjust_rate", 
    "default" : 1.5
    }, 
"ffPinWeight" : {
    "descripton" : "The weight of FF pins for pin density optimization",
    "default" : 3.0
    }, 
"deterministic_flag" : {
    "descripton" : "Ensures reproducible run-to-run results (Slightly increases runtime)", 
    "default" : 1
    },
"enable_if" : {
    "descripton" : "Enable IF Writer", 
    "default" : 0
    }
}