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SymTime/long_term_forecast.py

215 lines
6.9 KiB

# -*- coding: utf-8 -*-
"""
Created on 2024/10/19 21:20
@author: Whenxuan Wang
@email: wwhenxuan@gmail.com
@url: https://github.com/wwhenxuan/SymTime
"""
import argparse
import torch
from exp import Exp_Long_Term_Forecast
from utils.print_args import print_args
import random
import numpy as np
parser = argparse.ArgumentParser(description="SymTime-Long_Term_forecast")
# basic config
parser.add_argument("--task_name", type=str, default="long_term_forecast")
parser.add_argument("--is_training", type=int, default=1, help="status")
parser.add_argument("--dataset_name", type=str, default="Exchange", help="model id")
parser.add_argument("--model", type=str, default="SymTime")
# load pre-trained model
parser.add_argument(
"--pretrain_path", type=str, default="./models/params/finetuning.pth"
)
parser.add_argument("--pretrain_id", type=str, default="zero")
# data loader
parser.add_argument("--data", type=str, default="custom", help="datasets type")
parser.add_argument(
"--root_path",
type=str,
default="./datasets/exchange_rate/",
help="root path of the data file",
)
parser.add_argument(
"--data_path", type=str, default="exchange_rate.csv", help="data file"
)
parser.add_argument(
"--features",
type=str,
default="M",
help="forecasting task, options:[M, S, MS]; M:multivariate predict multivariate, S:univariate predict univariate, MS:multivariate predict univariate",
)
parser.add_argument(
"--target", type=str, default="OT", help="target feature in S or MS task"
)
parser.add_argument(
"--freq",
type=str,
default="h",
help="freq for time features encoding, options:[s:secondly, t:minutely, h:hourly, d:daily, b:business days, w:weekly, m:monthly], you can also use more detailed freq like 15min or 3h",
)
parser.add_argument(
"--checkpoints",
type=str,
default="./checkpoints/",
help="location of model checkpoints",
)
# do patching
parser.add_argument(
"--forward_layers", type=int, default=3, help="the feed forward layers numbers"
)
parser.add_argument(
"--patch_len", type=int, default=16, help="Divide the length of the patch"
)
parser.add_argument("--stride", type=int, default=8, help="Patch division step size")
parser.add_argument(
"--padding_patch", type=bool, default=True, help="Whether to fill the last Patch"
)
parser.add_argument(
"--out_dropout",
type=float,
default=0.1,
help="Dropout of the final output of the model",
)
parser.add_argument(
"--use_avg", type=bool, default=True, help="use moving average decomposition"
)
parser.add_argument(
"--moving_avg", type=int, default=25, help="window size of moving average"
)
parser.add_argument(
"--individual",
type=bool,
default=False,
help="whether to forecast the final output individually",
)
# forecasting task
parser.add_argument("--seq_len", type=int, default=96, help="input sequence length")
parser.add_argument("--label_len", type=int, default=48, help="start token length")
parser.add_argument(
"--pred_len", type=int, default=96, help="prediction sequence length"
)
parser.add_argument(
"--seasonal_patterns", type=str, default="Monthly", help="subset for M4"
)
parser.add_argument(
"--inverse", action="store_true", help="inverse output data", default=False
)
# model define
parser.add_argument("--dropout", type=float, default=0.1, help="dropout")
parser.add_argument(
"--embed",
type=str,
default="timeF",
help="time features encoding, options:[timeF, fixed, learned]",
)
parser.add_argument("--activation", type=str, default="gelu", help="activation")
parser.add_argument(
"--channel_independence",
type=int,
default=1,
help="0: channel dependence 1: channel independence for FreTS model",
)
parser.add_argument(
"--use_norm", type=int, default=1, help="whether to use normalize; True 1 False 0"
)
# optimization
parser.add_argument("--enc_in", type=int, default=8, help="encoder input size")
parser.add_argument(
"--num_workers", type=int, default=5, help="data loader num workers"
)
parser.add_argument("--itr", type=int, default=1, help="experiments times")
parser.add_argument("--train_epochs", type=int, default=16, help="train epochs")
parser.add_argument(
"--batch_size", type=int, default=8, help="batch size of train input data"
)
parser.add_argument("--patience", type=int, default=3, help="early stopping patience")
parser.add_argument(
"--learning_rate", type=float, default=0.0001, help="optimizer learning rate"
)
parser.add_argument("--des", type=str, default="test", help="exp description")
parser.add_argument("--loss", type=str, default="MSE", help="loss function")
parser.add_argument("--lradj", type=str, default="type1", help="adjust learning rate")
parser.add_argument(
"--use_amp",
action="store_true",
help="use automatic mixed precision training",
default=False,
)
# GPU
parser.add_argument("--use_gpu", type=bool, default=True, help="use gpu")
parser.add_argument("--gpu", type=int, default=0, help="gpu")
parser.add_argument(
"--use_multi_gpu", action="store_true", help="use multiple gpus", default=False
)
parser.add_argument(
"--devices", type=str, default="0,1,2,3", help="device ids of multile gpus"
)
# metrics (dtw)
parser.add_argument(
"--use_dtw", type=bool, default=False, help="the controller of using dtw metric"
)
# Augmentation
parser.add_argument(
"--augmentation_ratio", type=int, default=0, help="How many times to augment"
)
parser.add_argument("--seed", type=int, default=2025, help="Randomization seed")
args = parser.parse_args()
# args.use_gpu = True if torch.cuda.is_available() and args.use_gpu else False
args.use_gpu = True if torch.cuda.is_available() else False
# Set the random seed for reproducibility
random.seed(args.seed)
torch.manual_seed(args.seed)
np.random.seed(args.seed)
if __name__ == "__main__":
if args.use_gpu and args.use_multi_gpu:
args.devices = args.devices.replace(" ", "")
device_ids = args.devices.split(",")
args.device_ids = [int(id_) for id_ in device_ids]
args.gpu = args.device_ids[0]
torch.cuda.set_device(args.gpu)
print("Args in experiment:")
print_args(args)
exp = Exp_Long_Term_Forecast(args) # set experiments
setting = "{}_{}_{}_{}_seq_len{}_pred_len{}_moving_avg{}_individual{}_forward_layers{}_patch_len{}_stride{}_batch_size{}_learning_rate{}_lradj{}_seed{}_{}".format(
args.task_name,
args.dataset_name,
args.model,
args.data,
args.seq_len,
args.pred_len,
args.use_avg,
args.individual,
args.forward_layers,
args.patch_len,
args.stride,
args.batch_size,
args.learning_rate,
args.lradj,
args.seed,
args.pretrain_id,
)
print(">>>>>>>start training : {}>>>>>>>>>>>>>>>>>>>>>>>>>>".format(setting))
exp.train(setting)
print(">>>>>>>testing : {}<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<".format(setting))
exp.test(setting)
torch.cuda.empty_cache()