551 lines
20 KiB
Python
551 lines
20 KiB
Python
#####################################################
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# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2019.08 #
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#####################################################
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import os, sys, time, argparse, collections
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import numpy as np
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import torch
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from pathlib import Path
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from collections import defaultdict, OrderedDict
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from typing import Dict, Any, Text, List
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from xautodl.log_utils import AverageMeter, time_string, convert_secs2time
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from xautodl.config_utils import dict2config
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# NAS-Bench-201 related module or function
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from xautodl.models import CellStructure, get_cell_based_tiny_net
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from xautodl.procedures import bench_pure_evaluate as pure_evaluate, get_nas_bench_loaders
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from nas_201_api import NASBench201API, ArchResults, ResultsCount
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api = NASBench201API(
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"{:}/.torch/NAS-Bench-201-v1_0-e61699.pth".format(os.environ["HOME"])
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)
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def create_result_count(
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used_seed: int,
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dataset: Text,
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arch_config: Dict[Text, Any],
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results: Dict[Text, Any],
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dataloader_dict: Dict[Text, Any],
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) -> ResultsCount:
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xresult = ResultsCount(
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dataset,
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results["net_state_dict"],
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results["train_acc1es"],
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results["train_losses"],
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results["param"],
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results["flop"],
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arch_config,
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used_seed,
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results["total_epoch"],
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None,
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)
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net_config = dict2config(
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{
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"name": "infer.tiny",
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"C": arch_config["channel"],
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"N": arch_config["num_cells"],
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"genotype": CellStructure.str2structure(arch_config["arch_str"]),
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"num_classes": arch_config["class_num"],
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},
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None,
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)
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network = get_cell_based_tiny_net(net_config)
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network.load_state_dict(xresult.get_net_param())
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if "train_times" in results: # new version
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xresult.update_train_info(
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results["train_acc1es"],
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results["train_acc5es"],
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results["train_losses"],
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results["train_times"],
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)
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xresult.update_eval(
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results["valid_acc1es"], results["valid_losses"], results["valid_times"]
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)
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else:
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if dataset == "cifar10-valid":
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xresult.update_OLD_eval(
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"x-valid", results["valid_acc1es"], results["valid_losses"]
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)
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loss, top1, top5, latencies = pure_evaluate(
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dataloader_dict["{:}@{:}".format("cifar10", "test")], network.cuda()
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)
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xresult.update_OLD_eval(
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"ori-test",
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{results["total_epoch"] - 1: top1},
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{results["total_epoch"] - 1: loss},
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)
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xresult.update_latency(latencies)
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elif dataset == "cifar10":
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xresult.update_OLD_eval(
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"ori-test", results["valid_acc1es"], results["valid_losses"]
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)
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loss, top1, top5, latencies = pure_evaluate(
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dataloader_dict["{:}@{:}".format(dataset, "test")], network.cuda()
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)
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xresult.update_latency(latencies)
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elif dataset == "cifar100" or dataset == "ImageNet16-120":
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xresult.update_OLD_eval(
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"ori-test", results["valid_acc1es"], results["valid_losses"]
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)
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loss, top1, top5, latencies = pure_evaluate(
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dataloader_dict["{:}@{:}".format(dataset, "valid")], network.cuda()
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)
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xresult.update_OLD_eval(
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"x-valid",
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{results["total_epoch"] - 1: top1},
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{results["total_epoch"] - 1: loss},
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)
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loss, top1, top5, latencies = pure_evaluate(
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dataloader_dict["{:}@{:}".format(dataset, "test")], network.cuda()
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)
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xresult.update_OLD_eval(
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"x-test",
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{results["total_epoch"] - 1: top1},
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{results["total_epoch"] - 1: loss},
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)
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xresult.update_latency(latencies)
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else:
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raise ValueError("invalid dataset name : {:}".format(dataset))
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return xresult
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def account_one_arch(
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arch_index: int,
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arch_str: Text,
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checkpoints: List[Text],
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datasets: List[Text],
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dataloader_dict: Dict[Text, Any],
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) -> ArchResults:
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information = ArchResults(arch_index, arch_str)
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for checkpoint_path in checkpoints:
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checkpoint = torch.load(checkpoint_path, map_location="cpu")
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used_seed = checkpoint_path.name.split("-")[-1].split(".")[0]
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ok_dataset = 0
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for dataset in datasets:
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if dataset not in checkpoint:
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print(
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"Can not find {:} in arch-{:} from {:}".format(
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dataset, arch_index, checkpoint_path
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)
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)
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continue
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else:
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ok_dataset += 1
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results = checkpoint[dataset]
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assert results[
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"finish-train"
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], "This {:} arch seed={:} does not finish train on {:} ::: {:}".format(
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arch_index, used_seed, dataset, checkpoint_path
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)
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arch_config = {
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"channel": results["channel"],
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"num_cells": results["num_cells"],
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"arch_str": arch_str,
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"class_num": results["config"]["class_num"],
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}
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xresult = create_result_count(
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used_seed, dataset, arch_config, results, dataloader_dict
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)
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information.update(dataset, int(used_seed), xresult)
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if ok_dataset == 0:
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raise ValueError("{:} does not find any data".format(checkpoint_path))
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return information
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def correct_time_related_info(
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arch_index: int, arch_info_full: ArchResults, arch_info_less: ArchResults
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):
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# calibrate the latency based on NAS-Bench-201-v1_0-e61699.pth
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cifar010_latency = (
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api.get_latency(arch_index, "cifar10-valid", hp="200")
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+ api.get_latency(arch_index, "cifar10", hp="200")
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) / 2
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arch_info_full.reset_latency("cifar10-valid", None, cifar010_latency)
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arch_info_full.reset_latency("cifar10", None, cifar010_latency)
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arch_info_less.reset_latency("cifar10-valid", None, cifar010_latency)
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arch_info_less.reset_latency("cifar10", None, cifar010_latency)
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cifar100_latency = api.get_latency(arch_index, "cifar100", hp="200")
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arch_info_full.reset_latency("cifar100", None, cifar100_latency)
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arch_info_less.reset_latency("cifar100", None, cifar100_latency)
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image_latency = api.get_latency(arch_index, "ImageNet16-120", hp="200")
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arch_info_full.reset_latency("ImageNet16-120", None, image_latency)
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arch_info_less.reset_latency("ImageNet16-120", None, image_latency)
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train_per_epoch_time = list(
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arch_info_less.query("cifar10-valid", 777).train_times.values()
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)
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train_per_epoch_time = sum(train_per_epoch_time) / len(train_per_epoch_time)
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eval_ori_test_time, eval_x_valid_time = [], []
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for key, value in arch_info_less.query("cifar10-valid", 777).eval_times.items():
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if key.startswith("ori-test@"):
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eval_ori_test_time.append(value)
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elif key.startswith("x-valid@"):
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eval_x_valid_time.append(value)
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else:
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raise ValueError("-- {:} --".format(key))
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eval_ori_test_time, eval_x_valid_time = float(np.mean(eval_ori_test_time)), float(
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np.mean(eval_x_valid_time)
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)
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nums = {
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"ImageNet16-120-train": 151700,
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"ImageNet16-120-valid": 3000,
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"ImageNet16-120-test": 6000,
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"cifar10-valid-train": 25000,
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"cifar10-valid-valid": 25000,
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"cifar10-train": 50000,
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"cifar10-test": 10000,
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"cifar100-train": 50000,
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"cifar100-test": 10000,
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"cifar100-valid": 5000,
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}
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eval_per_sample = (eval_ori_test_time + eval_x_valid_time) / (
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nums["cifar10-valid-valid"] + nums["cifar10-test"]
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)
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for arch_info in [arch_info_less, arch_info_full]:
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arch_info.reset_pseudo_train_times(
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"cifar10-valid",
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None,
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train_per_epoch_time
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/ nums["cifar10-valid-train"]
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* nums["cifar10-valid-train"],
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)
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arch_info.reset_pseudo_train_times(
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"cifar10",
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None,
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train_per_epoch_time / nums["cifar10-valid-train"] * nums["cifar10-train"],
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)
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arch_info.reset_pseudo_train_times(
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"cifar100",
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None,
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train_per_epoch_time / nums["cifar10-valid-train"] * nums["cifar100-train"],
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)
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arch_info.reset_pseudo_train_times(
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"ImageNet16-120",
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None,
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train_per_epoch_time
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/ nums["cifar10-valid-train"]
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* nums["ImageNet16-120-train"],
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)
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arch_info.reset_pseudo_eval_times(
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"cifar10-valid",
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None,
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"x-valid",
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eval_per_sample * nums["cifar10-valid-valid"],
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)
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arch_info.reset_pseudo_eval_times(
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"cifar10-valid", None, "ori-test", eval_per_sample * nums["cifar10-test"]
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)
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arch_info.reset_pseudo_eval_times(
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"cifar10", None, "ori-test", eval_per_sample * nums["cifar10-test"]
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)
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arch_info.reset_pseudo_eval_times(
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"cifar100", None, "x-valid", eval_per_sample * nums["cifar100-valid"]
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)
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arch_info.reset_pseudo_eval_times(
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"cifar100", None, "x-test", eval_per_sample * nums["cifar100-valid"]
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)
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arch_info.reset_pseudo_eval_times(
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"cifar100", None, "ori-test", eval_per_sample * nums["cifar100-test"]
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)
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arch_info.reset_pseudo_eval_times(
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"ImageNet16-120",
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None,
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"x-valid",
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eval_per_sample * nums["ImageNet16-120-valid"],
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)
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arch_info.reset_pseudo_eval_times(
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"ImageNet16-120",
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None,
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"x-test",
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eval_per_sample * nums["ImageNet16-120-valid"],
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)
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arch_info.reset_pseudo_eval_times(
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"ImageNet16-120",
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None,
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"ori-test",
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eval_per_sample * nums["ImageNet16-120-test"],
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)
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# arch_info_full.debug_test()
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# arch_info_less.debug_test()
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return arch_info_full, arch_info_less
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def simplify(save_dir, meta_file, basestr, target_dir):
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meta_infos = torch.load(meta_file, map_location="cpu")
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meta_archs = meta_infos["archs"] # a list of architecture strings
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meta_num_archs = meta_infos["total"]
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assert meta_num_archs == len(
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meta_archs
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), "invalid number of archs : {:} vs {:}".format(meta_num_archs, len(meta_archs))
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sub_model_dirs = sorted(list(save_dir.glob("*-*-{:}".format(basestr))))
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print(
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"{:} find {:} directories used to save checkpoints".format(
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time_string(), len(sub_model_dirs)
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)
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)
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subdir2archs, num_evaluated_arch = collections.OrderedDict(), 0
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num_seeds = defaultdict(lambda: 0)
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for index, sub_dir in enumerate(sub_model_dirs):
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xcheckpoints = list(sub_dir.glob("arch-*-seed-*.pth"))
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arch_indexes = set()
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for checkpoint in xcheckpoints:
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temp_names = checkpoint.name.split("-")
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assert (
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len(temp_names) == 4
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and temp_names[0] == "arch"
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and temp_names[2] == "seed"
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), "invalid checkpoint name : {:}".format(checkpoint.name)
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arch_indexes.add(temp_names[1])
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subdir2archs[sub_dir] = sorted(list(arch_indexes))
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num_evaluated_arch += len(arch_indexes)
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# count number of seeds for each architecture
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for arch_index in arch_indexes:
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num_seeds[
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len(list(sub_dir.glob("arch-{:}-seed-*.pth".format(arch_index))))
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] += 1
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print(
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"{:} There are {:5d} architectures that have been evaluated ({:} in total).".format(
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time_string(), num_evaluated_arch, meta_num_archs
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)
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)
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for key in sorted(list(num_seeds.keys())):
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print(
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"{:} There are {:5d} architectures that are evaluated {:} times.".format(
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time_string(), num_seeds[key], key
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)
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)
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dataloader_dict = get_nas_bench_loaders(6)
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to_save_simply = save_dir / "simplifies"
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to_save_allarc = save_dir / "simplifies" / "architectures"
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if not to_save_simply.exists():
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to_save_simply.mkdir(parents=True, exist_ok=True)
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if not to_save_allarc.exists():
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to_save_allarc.mkdir(parents=True, exist_ok=True)
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assert (save_dir / target_dir) in subdir2archs, "can not find {:}".format(
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target_dir
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)
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arch2infos, datasets = {}, (
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"cifar10-valid",
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"cifar10",
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"cifar100",
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"ImageNet16-120",
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)
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evaluated_indexes = set()
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target_full_dir = save_dir / target_dir
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target_less_dir = save_dir / "{:}-LESS".format(target_dir)
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arch_indexes = subdir2archs[target_full_dir]
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num_seeds = defaultdict(lambda: 0)
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end_time = time.time()
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arch_time = AverageMeter()
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for idx, arch_index in enumerate(arch_indexes):
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checkpoints = list(
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target_full_dir.glob("arch-{:}-seed-*.pth".format(arch_index))
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)
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ckps_less = list(target_less_dir.glob("arch-{:}-seed-*.pth".format(arch_index)))
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# create the arch info for each architecture
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try:
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arch_info_full = account_one_arch(
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arch_index,
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meta_archs[int(arch_index)],
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checkpoints,
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datasets,
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dataloader_dict,
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)
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arch_info_less = account_one_arch(
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arch_index,
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meta_archs[int(arch_index)],
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ckps_less,
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datasets,
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dataloader_dict,
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)
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num_seeds[len(checkpoints)] += 1
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except:
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print("Loading {:} failed, : {:}".format(arch_index, checkpoints))
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continue
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assert (
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int(arch_index) not in evaluated_indexes
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), "conflict arch-index : {:}".format(arch_index)
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assert (
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0 <= int(arch_index) < len(meta_archs)
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), "invalid arch-index {:} (not found in meta_archs)".format(arch_index)
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arch_info = {"full": arch_info_full, "less": arch_info_less}
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evaluated_indexes.add(int(arch_index))
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arch2infos[int(arch_index)] = arch_info
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# to correct the latency and training_time info.
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arch_info_full, arch_info_less = correct_time_related_info(
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int(arch_index), arch_info_full, arch_info_less
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)
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to_save_data = OrderedDict(
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full=arch_info_full.state_dict(), less=arch_info_less.state_dict()
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)
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torch.save(to_save_data, to_save_allarc / "{:}-FULL.pth".format(arch_index))
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arch_info["full"].clear_params()
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arch_info["less"].clear_params()
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torch.save(to_save_data, to_save_allarc / "{:}-SIMPLE.pth".format(arch_index))
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# measure elapsed time
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arch_time.update(time.time() - end_time)
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end_time = time.time()
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need_time = "{:}".format(
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convert_secs2time(arch_time.avg * (len(arch_indexes) - idx - 1), True)
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)
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print(
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"{:} {:} [{:03d}/{:03d}] : {:} still need {:}".format(
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time_string(), target_dir, idx, len(arch_indexes), arch_index, need_time
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)
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)
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# measure time
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xstrs = [
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"{:}:{:03d}".format(key, num_seeds[key])
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for key in sorted(list(num_seeds.keys()))
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]
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print("{:} {:} done : {:}".format(time_string(), target_dir, xstrs))
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final_infos = {
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"meta_archs": meta_archs,
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"total_archs": meta_num_archs,
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"basestr": basestr,
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"arch2infos": arch2infos,
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"evaluated_indexes": evaluated_indexes,
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}
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save_file_name = to_save_simply / "{:}.pth".format(target_dir)
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torch.save(final_infos, save_file_name)
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print(
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"Save {:} / {:} architecture results into {:}.".format(
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len(evaluated_indexes), meta_num_archs, save_file_name
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)
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)
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def merge_all(save_dir, meta_file, basestr):
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meta_infos = torch.load(meta_file, map_location="cpu")
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meta_archs = meta_infos["archs"]
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meta_num_archs = meta_infos["total"]
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assert meta_num_archs == len(
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meta_archs
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), "invalid number of archs : {:} vs {:}".format(meta_num_archs, len(meta_archs))
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sub_model_dirs = sorted(list(save_dir.glob("*-*-{:}".format(basestr))))
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print(
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"{:} find {:} directories used to save checkpoints".format(
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time_string(), len(sub_model_dirs)
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)
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)
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for index, sub_dir in enumerate(sub_model_dirs):
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arch_info_files = sorted(list(sub_dir.glob("arch-*-seed-*.pth")))
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print(
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"The {:02d}/{:02d}-th directory : {:} : {:} runs.".format(
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index, len(sub_model_dirs), sub_dir, len(arch_info_files)
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)
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)
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|
arch2infos, evaluated_indexes = dict(), set()
|
|
for IDX, sub_dir in enumerate(sub_model_dirs):
|
|
ckp_path = sub_dir.parent / "simplifies" / "{:}.pth".format(sub_dir.name)
|
|
if ckp_path.exists():
|
|
sub_ckps = torch.load(ckp_path, map_location="cpu")
|
|
assert (
|
|
sub_ckps["total_archs"] == meta_num_archs
|
|
and sub_ckps["basestr"] == basestr
|
|
)
|
|
xarch2infos = sub_ckps["arch2infos"]
|
|
xevalindexs = sub_ckps["evaluated_indexes"]
|
|
for eval_index in xevalindexs:
|
|
assert (
|
|
eval_index not in evaluated_indexes and eval_index not in arch2infos
|
|
)
|
|
# arch2infos[eval_index] = xarch2infos[eval_index].state_dict()
|
|
arch2infos[eval_index] = {
|
|
"full": xarch2infos[eval_index]["full"].state_dict(),
|
|
"less": xarch2infos[eval_index]["less"].state_dict(),
|
|
}
|
|
evaluated_indexes.add(eval_index)
|
|
print(
|
|
"{:} [{:03d}/{:03d}] merge data from {:} with {:} models.".format(
|
|
time_string(), IDX, len(sub_model_dirs), ckp_path, len(xevalindexs)
|
|
)
|
|
)
|
|
else:
|
|
raise ValueError("Can not find {:}".format(ckp_path))
|
|
# print ('{:} [{:03d}/{:03d}] can not find {:}, skip.'.format(time_string(), IDX, len(subdir2archs), ckp_path))
|
|
|
|
evaluated_indexes = sorted(list(evaluated_indexes))
|
|
print(
|
|
"Finally, there are {:} architectures that have been trained and evaluated.".format(
|
|
len(evaluated_indexes)
|
|
)
|
|
)
|
|
|
|
to_save_simply = save_dir / "simplifies"
|
|
if not to_save_simply.exists():
|
|
to_save_simply.mkdir(parents=True, exist_ok=True)
|
|
final_infos = {
|
|
"meta_archs": meta_archs,
|
|
"total_archs": meta_num_archs,
|
|
"arch2infos": arch2infos,
|
|
"evaluated_indexes": evaluated_indexes,
|
|
}
|
|
save_file_name = to_save_simply / "{:}-final-infos.pth".format(basestr)
|
|
torch.save(final_infos, save_file_name)
|
|
print(
|
|
"Save {:} / {:} architecture results into {:}.".format(
|
|
len(evaluated_indexes), meta_num_archs, save_file_name
|
|
)
|
|
)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
|
|
parser = argparse.ArgumentParser(
|
|
description="NAS-BENCH-201",
|
|
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
|
|
)
|
|
parser.add_argument(
|
|
"--mode",
|
|
type=str,
|
|
choices=["cal", "merge"],
|
|
help="The running mode for this script.",
|
|
)
|
|
parser.add_argument(
|
|
"--base_save_dir",
|
|
type=str,
|
|
default="./output/NAS-BENCH-201-4",
|
|
help="The base-name of folder to save checkpoints and log.",
|
|
)
|
|
parser.add_argument("--target_dir", type=str, help="The target directory.")
|
|
parser.add_argument(
|
|
"--max_node", type=int, default=4, help="The maximum node in a cell."
|
|
)
|
|
parser.add_argument(
|
|
"--channel", type=int, default=16, help="The number of channels."
|
|
)
|
|
parser.add_argument(
|
|
"--num_cells", type=int, default=5, help="The number of cells in one stage."
|
|
)
|
|
args = parser.parse_args()
|
|
|
|
save_dir = Path(args.base_save_dir)
|
|
meta_path = save_dir / "meta-node-{:}.pth".format(args.max_node)
|
|
assert save_dir.exists(), "invalid save dir path : {:}".format(save_dir)
|
|
assert meta_path.exists(), "invalid saved meta path : {:}".format(meta_path)
|
|
print(
|
|
"start the statistics of our nas-benchmark from {:} using {:}.".format(
|
|
save_dir, args.target_dir
|
|
)
|
|
)
|
|
basestr = "C{:}-N{:}".format(args.channel, args.num_cells)
|
|
|
|
if args.mode == "cal":
|
|
simplify(save_dir, meta_path, basestr, args.target_dir)
|
|
elif args.mode == "merge":
|
|
merge_all(save_dir, meta_path, basestr)
|
|
else:
|
|
raise ValueError("invalid mode : {:}".format(args.mode))
|