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main_cwt.py
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'''FedAvg
Refs:
[1] https://github.com/chandra2thapa/SplitFed
[2] https://github.com/AshwinRJ/Federated-Learning-PyTorch
[3] https://github.com/lx10077/fedavgpy/
[2022 08 03]'''
import torch
import time
import copy
import re
from sim.algorithms.cwtbase import CWTClient, CWTServer
from sim.data.data_utils import FedDataset
from sim.data.datasets import build_dataset
from sim.data.partition import build_partition
from sim.models.build_models import build_model
from sim.utils.record_utils import logconfig, add_log, record_exp_result2
from sim.utils.utils import setup_seed, AverageMeter
from sim.utils.optim_utils import OptimKit, LrUpdater
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('-m', default='vgg11', type=str, help='Model')
parser.add_argument('-d', default='cifar10', type=str, help='Dataset')
parser.add_argument('-s', default=2, type=int, help='Index of split layer')
parser.add_argument('-R', default=200, type=int, help='Number of total training rounds')
parser.add_argument('-K', default=1, type=int, help='Number of local steps')
parser.add_argument('-M', default=100, type=int, help='Number of total clients')
parser.add_argument('-P', default=100, type=int, help='Number of clients participate')
parser.add_argument('--partition', default='dir', type=str, choices=['dir', 'iid', 'exdir'], help='Data partition')
parser.add_argument('--alpha', default=10, type=float, nargs='*', help='The parameter `alpha` of dirichlet distribution')
parser.add_argument('--optim', default='sgd', type=str, choices=['sgd', 'adam'], help='Optimizer')
parser.add_argument('--lr', default=0.0, type=float, help='Client/Local learning rate')
parser.add_argument('--lr-decay', default=1.0, type=float, help='Learning rate decay')
parser.add_argument('--momentum', default=0.0, type=float, help='Momentum of client optimizer')
parser.add_argument('--weight-decay', default=1e-4, type=float, help='Weight decay of client optimizer')
parser.add_argument('--global-lr', default=1.0, type=float, help='Server/Global learning rate')
parser.add_argument('--batch-size', default=50, type=int, help='Mini-batch size')
parser.add_argument('--seed', default=1234, type=int, help='Seed')
parser.add_argument('--clip', default=0, type=int, help='Clip')
parser.add_argument('--log', default='', type=str, help='Log, Log/Print')
parser.add_argument('--eval-num', default=1000, type=int, help='Number of evaluations')
parser.add_argument('--tail-eval-num', default=0, type=int, help='Evaluating the tail # rounds')
parser.add_argument('--device', default=0, type=int, help='Device')
parser.add_argument('--save-model', default=0, type=int, help='Whether to save model')
parser.add_argument('--start-round', default=0, type=int, help='Start')
args = parser.parse_args()
# nohup python main_cwt.py -m mlp -d mnist -s 1 -R 100 -K 10 -M 500 -P 10 --partition exdir --alpha 2 10 --optim sgd --lr 0.05 --lr-decay 0.9 --momentum 0 --batch-size 20 --seed 1234 --log Print &
torch.set_num_threads(4)
setup_seed(args.seed)
device = torch.device("cuda:{}".format(args.device) if torch.cuda.is_available() else "cpu")
args.alpha = [int(args.alpha[0]), args.alpha[1]] if args.partition == 'exdir' else args.alpha
def customize_record_name(args):
'''CWT_M10_P10_K2_R4_mlp_mnist_exdir2,10.0_sgd0.001,1.0,0.0,0.0001_b20_seed1234_clip0.csv'''
if args.partition == 'exdir':
partition = f'{args.partition}{args.alpha[0]},{args.alpha[1]}'
elif args.partition == 'iid':
partition = f'{args.partition}'
record_name = f'CWT_M{args.M}_P{args.P}_K{args.K}_R{args.R}_{args.m}_{args.d}_{partition}'\
+ f'_{args.optim}{args.lr},{args.lr_decay},{args.momentum},{args.weight_decay}_b{args.batch_size}_seed{args.seed}_clip{args.clip}'
return record_name
record_name = customize_record_name(args)
def main():
global args, record_name, device
logconfig(name=record_name, flag=args.log)
add_log('{}'.format(args), flag=args.log)
add_log('record_name: {}'.format(record_name), flag=args.log)
client = CWTClient()
server = CWTServer()
train_dataset, test_dataset = build_dataset(args.d)
net_dataidx_map = build_partition(args.d, args.M, args.partition, [args.alpha[0], args.alpha[1]])
train_feddataset = FedDataset(train_dataset, net_dataidx_map)
client.setup_train_dataset(train_feddataset)
client.setup_test_dataset(test_dataset)
global_model = build_model(model=args.m, dataset=args.d)
server.setup_model(global_model.to(device))
add_log('{}'.format(global_model), flag=args.log)
# construct optim kit
client_optim_kit = OptimKit(optim_name=args.optim, batch_size=args.batch_size, lr=args.lr, momentum=args.momentum, weight_decay=args.weight_decay)
client_optim_kit.setup_lr_updater(LrUpdater.exponential_lr_updater, mul=args.lr_decay)
client.setup_optim_kit(client_optim_kit)
client.setup_criterion(torch.nn.CrossEntropyLoss())
server.setup_optim_settings(lr=args.global_lr)
start_time = time.time()
# warm up
if args.start_round != 0:
warm_file = re.sub(r'R\d+', 'R{}'.format(args.start_round), record_name)
warm_dict = torch.load('./save_model/{}.pt'.format(warm_file))
warm_param_vec = warm_dict['model'].to(device)
pointer = 0
for param in server.global_model.parameters():
num_param = param.numel()
param.data = warm_param_vec[pointer:pointer + num_param].view_as(param).data
pointer += num_param
test_losses, test_top1, test_top5 = client.evaluate_dataset(model=server.global_model, dataset=client.test_dataset, device=args.device)
add_log("Round {}'s server test acc: {:.2f}%, test loss: {:.4f}".format(args.start_round, test_top1.avg, test_losses.avg), 'red', flag=args.log)
record_exp_result2(record_name, {'round':0})
for round in range(args.start_round, args.R):
selected_clients = server.select_clients(args.M, args.P)
add_log('selected clients: {}'.format(selected_clients), flag=args.log)
for c_id in selected_clients:
local_param, local_update_log = client.local_update_step(c_id=c_id, model=copy.deepcopy(server.global_model), num_steps=args.K, device=device, clip=args.clip)
# if local_update_log != {}:
# add_log('{}'.format(local_update_log.__str__()), flag=args.log)
torch.nn.utils.vector_to_parameters(local_param, server.global_model.parameters())
client.optim_kit.update_lr()
add_log('lr={}'.format(client.optim_kit.settings['lr']), flag=args.log)
if (round+1) % max((args.R-args.start_round)//args.eval_num, 1) == 0 or (round+1) > args.R-args.tail_eval_num:
# evaluate on train dataset (selected client)
train_losses, train_top1, train_top5 = AverageMeter(), AverageMeter(), AverageMeter()
for c_id in selected_clients:
local_losses, local_top1, local_top5 = \
client.evaluate_dataset(model=server.global_model, dataset=client.train_feddataset.get_dataset(c_id), device=args.device)
train_losses.update(local_losses.avg, local_losses.count), train_top1.update(local_top1.avg, local_top1.count), train_top5.update(local_top5.avg, local_top5.count)
add_log("Round {}'s server1 train acc: {:6.2f}%, train loss: {:.4f}".format(round+1, train_top1.avg, train_losses.avg), 'green', flag=args.log)
# evaludate on train dataset (random client)
train2_losses, train2_top1, train2_top5 = AverageMeter(), AverageMeter(), AverageMeter()
rand_eval_clients = server.select_clients(args.M, args.P)
for c_id in rand_eval_clients:
local_losses, local_top1, local_top5 = \
client.evaluate_dataset(model=server.global_model, dataset=client.train_feddataset.get_dataset(c_id), device=args.device)
train2_losses.update(local_losses.avg, local_losses.count), train2_top1.update(local_top1.avg, local_top1.count), train2_top5.update(local_top5.avg, local_top5.count)
add_log("Round {}'s server2 train acc: {:6.2f}%, train loss: {:.4f}".format(round+1, train2_top1.avg, train2_losses.avg), 'blue', flag=args.log)
# evaluate on test dataset
test_losses, test_top1, test_top5 = client.evaluate_dataset(model=server.global_model, dataset=client.test_dataset, device=args.device)
add_log("Round {}'s server test acc: {:6.2f}%, test loss: {:.4f}".format(round+1, test_top1.avg, test_losses.avg), 'red', flag=args.log)
record_exp_result2(record_name, {'round':round+1,
'train_loss' : train_losses.avg, 'train_top1' : train_top1.avg, 'train_top5' : train_top5.avg,
'train2_loss': train2_losses.avg, 'train2_top1': train2_top1.avg, 'train2_top5': train2_top5.avg,
'test_loss' : test_losses.avg, 'test_top1' : test_top1.avg, 'test_top5' : test_top5.avg })
if args.save_model == 1:
torch.save({'model': torch.nn.utils.parameters_to_vector(server.global_model.parameters())}, './save_model/{}.pt'.format(record_name))
end_time = time.time()
add_log("TrainingTime: {} sec".format(end_time - start_time), flag=args.log)
if __name__ == '__main__':
main()