from utils import * from src import run_placement_main, Flute def get_option(): parser = argparse.ArgumentParser('Xplace') # general setting parser.add_argument('--dataset_root', type=str, default='data/raw', help='the parent folder of dataset') parser.add_argument('--dataset', type=str, default='ispd2015_fix', help='dataset name') parser.add_argument('--design_name', type=str, default='mgc_superblue12', help='design name') parser.add_argument('--custom_path', type=str, default='', help='custom design path, set it as token1:path1,token2:path2 e.g. lef:data/test.lef,def:data/test.def,design_name:mydesign,benchmark:mybenchmark') parser.add_argument('--custom_json', type=str, default='', help='custom json path, support multi-lefs.') parser.add_argument('--given_solution', type=str, default='', help='Given placement solution. Will overwrite other given .pl and .def.') parser.add_argument('--load_from_raw', type=str2bool, default=True, help='If True, parse and load from benchmark files. If False, load from pt') parser.add_argument('--run_all', type=str2bool, default=False, help='If True, run all designs in the given dataset. If False, run the given design_name only.') parser.add_argument('--seed', type=int, default=0, help='seed to initialize all the random modules') parser.add_argument('--gpu', type=int, default=0, help='gpu id') parser.add_argument('--num_threads', type=int, default=20, help='threads') parser.add_argument('--deterministic', type=str2bool, default=True, help='use deterministic mode') # global placement params parser.add_argument('--global_placement', type=str2bool, default=True, help='perform gp') parser.add_argument('--lr', type=float, default=0.01, help='learning rate') parser.add_argument('--inner_iter', type=int, default=10000, help='#inner iters') parser.add_argument('--wa_coeff', type=float, default=4.0, help='wa coeff') parser.add_argument('--num_bin_x', type=int, default=512, help='#binX for density function') parser.add_argument('--num_bin_y', type=int, default=512, help='#binY for density function') parser.add_argument('--density_weight', type=float, default=8e-5, help='the weight of density loss') parser.add_argument('--density_weight_coef', type=float, default=1.05, help='the ratio of density_weight') parser.add_argument('--target_density', type=float, default=1.0, help='placement target density') parser.add_argument('--use_filler', type=str2bool, default=True, help='placement filler') parser.add_argument('--noise_ratio', type=float, default=0.025, help='noise ratio for initialization') parser.add_argument('--ignore_net_degree', type=int, default=100, help='threshold of net degree to ignore in wirelength calculation') parser.add_argument('--use_eplace_nesterov', type=str2bool, default=True, help='enable eplace nesterov optimizer') parser.add_argument('--clamp_node', type=str2bool, default=True, help='enable eplace node clamp trick') parser.add_argument('--use_precond', type=str2bool, default=True, help='apply precond') parser.add_argument('--stop_overflow', type=float, default=0.07, help='stop overflow in scheduler') parser.add_argument('--enable_skip_update', type=str2bool, default=True, help='enable skip update') parser.add_argument('--enable_sample_force', type=str2bool, default=True, help='enable sample force') parser.add_argument("--mixed_size", type=str2bool, default=False, help="enable mixed size placement") # global routing params parser.add_argument('--use_cell_inflate', type=str2bool, default=False, help='use cell inflation') parser.add_argument('--min_area_inc', type=float, default=0.01, help='threshold of terminating inflation') parser.add_argument('--use_route_force', type=str2bool, default=False, help='use routing force') parser.add_argument('--route_freq', type=int, default=1000, help='routing freq') parser.add_argument('--num_route_iter', type=int, default=400, help='number of routing iters') parser.add_argument('--route_weight', type=float, default=0, help='the weight of route') parser.add_argument('--congest_weight', type=float, default=0, help='the weight of congested force') parser.add_argument('--pseudo_weight', type=float, default=0, help='the weight of pseudo net') parser.add_argument('--visualize_cgmap', type=str2bool, default=False, help='visualize congestion map') # timing opt params parser.add_argument('--timing_opt', type=str2bool, default=True, help='perform timing optimization') parser.add_argument('--timing_freq', type=int, default=1, help='timing freq') parser.add_argument('--calibration', type=str2bool, default=True, help='perform timer calibration') parser.add_argument('--calibration_step', type=float, default=0.1, help='timing calibration step') parser.add_argument('--timing_start_iter', type=int, default=100, help='start iteration of timing optimization') parser.add_argument('--timing_init_weight', type=float, default=0.05, help='initial timing wirelength weight') parser.add_argument('--decay_factor', type=float, default=0.3, help='decay factor of timing weight') parser.add_argument('--decay_boost', type=float, default=3, help='dynamic decay boost factor') parser.add_argument('--wire_resistance_per_micron', type=float, default=2.535, help='unit wire resistance, normalized across all layers') parser.add_argument('--wire_capacitance_per_micron', type=float, default=0.16e-15, help='unit wire capacitance, normalized across all layers') # detailed placement and evaluation parser.add_argument('--legalization', type=str2bool, default=True, help='perform lg') parser.add_argument('--detail_placement', type=str2bool, default=True, help='perform dp') parser.add_argument('--dp_engine', type=str, default="default", help='choose dp engine') parser.add_argument('--eval_by_external', type=str2bool, default=False, help='eval dp sol by external binary') parser.add_argument('--eval_engine', type=str, default="ntuplace4dr", help='choose eval engine') parser.add_argument('--final_route_eval', type=str2bool, default=False, help='eval placement solution by GR') # logging and saver parser.add_argument('--log_freq', type=int, default=100) parser.add_argument('--verbose_cpp_log', type=str2bool, default=False, help='verbose cpp log for debugging') parser.add_argument('--cpp_log_level', type=int, default=2, help='0: DEBUG, 1: VERBOSE, 2:INFO') parser.add_argument('--result_dir', type=str, default='result', help='log/model root directory') parser.add_argument('--exp_id', type=str, default='', help='experiment id') parser.add_argument('--log_dir', type=str, default='log', help='log directory') parser.add_argument('--log_name', type=str, default='test.log', help='log file name') parser.add_argument('--eval_dir', type=str, default='eval', help='visualization directory') # placement output parser.add_argument('--draw_placement', type=str2bool, default=False, help='draw placement') parser.add_argument('--write_placement', type=str2bool, default=True, help='write placement result') parser.add_argument('--write_global_placement', type=str2bool, default=False, help='write global placement result') parser.add_argument('--output_dir', type=str, default="output", help='output directory') parser.add_argument('--output_prefix', type=str, default="placement", help='prefix of placement output file') args = parser.parse_args() args.exp_id = datetime.datetime.now().strftime('%Y-%m-%d-%H:%M:%S') + args.exp_id args.exp_id = "{}_{}".format(args.exp_id, args.design_name) if args.dataset == "ispd2015": print("We haven't yet support fence region in ispd2015, use ispd2015_fix instead") args.dataset = "ispd2015_fix" if args.dataset == "ispd2019": print("We haven't yet support fence region in ispd2019, use ispd2019_no_fence instead") args.dataset = "ispd2019_no_fence" if args.custom_path != "": get_custom_design_params(args) return args def main(): args = get_option() logger = setup_logger(args, sys.argv) set_random_seed(args) Flute.register(args.num_threads) run_placement_main(args, logger) if __name__ == "__main__": main()