Scorpius_HF / DiseaseSpecific /main_multiprocess.py
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"""Multiprocess for main.py"""
#%%
import pickle as pkl
from typing import Dict, Tuple, List
import os
import numpy as np
import json
import logging
import argparse
import math
from pprint import pprint
import pandas as pd
from collections import defaultdict
import copy
import time
import torch
from torch.utils.data import DataLoader
import torch.backends.cudnn as cudnn
import torch.autograd as autograd
from model import Distmult, Complex, Conve
import utils
# from evaluation import evaluation
#%%
class Main(object):
def __init__(self, args):
self.args = args
self.model_name = '{0}_{1}_{2}_{3}_{4}_{5}'.format(args.model, args.embedding_dim, args.input_drop, args.hidden_drop, args.feat_drop, args.thread_name)
#leaving batches from the model_name since they do not depend on model_architecture
# also leaving kernel size and filters, siinice don't intend to change those
self.model_path = 'saved_models/evaluation/{0}_{1}.model'.format(args.data, self.model_name)
self.log_path = 'logs/evaluation_logs/{0}_{1}_{2}_{3}_{4}.log'.format(args.data, self.model_name, args.epochs, args.train_batch_size, args.thread_name)
self.loss_path = 'losses/evaluation_losses/{0}_{1}_{2}_{3}_{4}.pickle'.format(args.data, self.model_name, args.epochs, args.train_batch_size, args.thread_name)
logging.basicConfig(format = '%(asctime)s - %(levelname)s - %(name)s -   %(message)s',
datefmt = '%m/%d/%Y %H:%M:%S',
level = logging.INFO,
filename = self.log_path)
self.logger = logging.getLogger(__name__)
self.logger.info(vars(self.args))
self.logger.info('\n')
self.device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
self.load_data()
self.model = self.add_model()
self.optimizer = self.add_optimizer(self.model.parameters())
if self.args.save_influence_map:
self.logger.info('-------- Argument save_influence_map is set. Will use GR to compute and save influence maps ----------\n')
# when we want to save influence during training
self.args.add_reciprocals = False # to keep things simple
# init an empty influence map
self.influence_map = defaultdict(float)
#self.influence_path = 'influence_maps/{0}_{1}.json'.format(args.data, self.model_name)
self.influence_path = 'influence_maps/{0}_{1}.pickle'.format(args.data, self.model_name)
# Initialize a copy of the model prams to track previous weights in an epoch
self.previous_weights = [copy.deepcopy(param) for param in self.model.parameters()]
self.logger.info('Shape for previous weights: {}, {}'.format(self.previous_weights[0].shape, self.previous_weights[1].shape))
def load_data(self):
'''
Load the train, valid datasets
'''
data_path = os.path.join('processed_data', self.args.data)
n_ent, n_rel, ent_to_id, rel_to_id = utils.generate_dicts(data_path)
self.n_ent = n_ent
self.n_rel = n_rel
self.train_data = utils.load_data(os.path.join(data_path, 'evaluation', 'all_{}.txt'.format(self.args.thread_name)))
self.valid_data= self.train_data[-100:, :].copy()
# self.train_data = utils.load_data()
def add_model(self):
if self.args.model is None:
model = Distmult(self.args, self.n_ent, self.n_rel)
elif self.args.model == 'distmult':
model = Distmult(self.args, self.n_ent, self.n_rel)
elif self.args.model == 'complex':
model = Complex(self.args, self.n_ent, self.n_rel)
elif self.args.model == 'conve':
model = Conve(self.args, self.n_ent, self.n_rel)
else:
self.logger.info('Unknown model: {0}', self.args.model)
raise Exception("Unknown model!")
model.to(self.device)
return model
def add_optimizer(self, parameters):
#if self.args.optimizer == 'adam' : return torch.optim.Adam(parameters, lr=self.args.lr, weight_decay=self.args.lr_decay)
#else : return torch.optim.SGD(parameters, lr=self.args.lr, weight_decay=self.args.lr_decay)
return torch.optim.Adam(parameters, lr=self.args.lr, weight_decay=self.args.lr_decay)
def save_model(self):
state = {
'state_dict': self.model.state_dict(),
'optimizer': self.optimizer.state_dict(),
'args': vars(self.args)
}
torch.save(state, self.model_path)
self.logger.info('Saving model to {0}'.format(self.model_path))
def load_model(self):
self.logger.info('Loading saved model from {0}'.format(self.model_path))
state = torch.load(self.model_path)
model_params = state['state_dict']
params = [(key, value.size(), value.numel()) for key, value in model_params.items()]
for key, size, count in params:
self.logger.info(key, size, count)
self.model.load_state_dict(model_params)
self.optimizer.load_state_dict(state['optimizer'])
def lp_regularizer(self):
# Apply p-norm regularization; assign weights to each param
weight = self.args.reg_weight
p = self.args.reg_norm
trainable_params = [self.model.emb_e.weight, self.model.emb_rel.weight]
norm = 0
for i in range(len(trainable_params)):
#norm += weight * trainable_params[i].norm(p = p)**p
norm += weight * torch.sum( torch.abs(trainable_params[i]) ** p)
return norm
def n3_regularizer(self, factors):
# factors are the embeddings for lhs, rel, rhs for triples in a batch
weight = self.args.reg_weight
p = self.args.reg_norm
norm = 0
for f in factors:
norm += weight * torch.sum(torch.abs(f) ** p)
return norm / factors[0].shape[0] # scale by number of triples in batch
def get_influence_map(self):
"""
Turns the influence map into a list, ready to be written to disc. (before: numpy)
:return: the influence map with lists as values
"""
assert self.args.save_influence_map == True
for key in self.influence_map:
self.influence_map[key] = self.influence_map[key].tolist()
#self.logger.info('get_influence_map passed')
return self.influence_map
def evaluate(self, split, batch_size, epoch):
"""
The same as self.run_epoch()
"""
self.model.eval()
losses = []
with torch.no_grad():
input_data = torch.from_numpy(self.valid_data.astype('int64'))
actual_examples = input_data[torch.randperm(input_data.shape[0]), :]
del input_data
batch_size = self.args.valid_batch_size
for b_begin in range(0, actual_examples.shape[0], batch_size):
input_batch = actual_examples[b_begin: b_begin + batch_size]
input_batch = input_batch.to(self.device)
s,r,o = input_batch[:,0], input_batch[:,1], input_batch[:,2]
emb_s = self.model.emb_e(s).squeeze(dim=1)
emb_r = self.model.emb_rel(r).squeeze(dim=1)
emb_o = self.model.emb_e(o).squeeze(dim=1)
if self.args.add_reciprocals:
r_rev = r + self.n_rel
emb_rrev = self.model.emb_rel(r_rev).squeeze(dim=1)
else:
r_rev = r
emb_rrev = emb_r
pred_sr = self.model.forward(emb_s, emb_r, mode='rhs')
loss_sr = self.model.loss(pred_sr, o) # cross entropy loss
pred_or = self.model.forward(emb_o, emb_rrev, mode='lhs')
loss_or = self.model.loss(pred_or, s)
total_loss = loss_sr + loss_or
if (self.args.reg_weight != 0.0 and self.args.reg_norm == 3):
#self.logger.info('Computing regularizer weight')
if self.args.model == 'complex':
emb_dim = self.args.embedding_dim #int(self.args.embedding_dim/2)
lhs = (emb_s[:, :emb_dim], emb_s[:, emb_dim:])
rel = (emb_r[:, :emb_dim], emb_r[:, emb_dim:])
rel_rev = (emb_rrev[:, :emb_dim], emb_rrev[:, emb_dim:])
rhs = (emb_o[:, :emb_dim], emb_o[:, emb_dim:])
#print(lhs[0].shape, lhs[1].shape)
factors_sr = (torch.sqrt(lhs[0] ** 2 + lhs[1] ** 2),
torch.sqrt(rel[0] ** 2 + rel[1] ** 2),
torch.sqrt(rhs[0] ** 2 + rhs[1] ** 2)
)
factors_or = (torch.sqrt(lhs[0] ** 2 + lhs[1] ** 2),
torch.sqrt(rel_rev[0] ** 2 + rel_rev[1] ** 2),
torch.sqrt(rhs[0] ** 2 + rhs[1] ** 2)
)
else:
factors_sr = (emb_s, emb_r, emb_o)
factors_or = (emb_s, emb_rrev, emb_o)
total_loss += self.n3_regularizer(factors_sr)
total_loss += self.n3_regularizer(factors_or)
if (self.args.reg_weight != 0.0 and self.args.reg_norm == 2):
total_loss += self.lp_regularizer()
losses.append(total_loss.item())
loss = np.mean(losses)
self.logger.info('[Epoch:{}]: Validating Loss:{:.6}\n'.format(epoch, loss))
return loss
def run_epoch(self, epoch):
self.model.train()
losses = []
#shuffle the train dataset
input_data = torch.from_numpy(self.train_data.astype('int64'))
actual_examples = input_data[torch.randperm(input_data.shape[0]), :]
del input_data
batch_size = self.args.train_batch_size
for b_begin in range(0, actual_examples.shape[0], batch_size):
self.optimizer.zero_grad()
input_batch = actual_examples[b_begin: b_begin + batch_size]
input_batch = input_batch.to(self.device)
s,r,o = input_batch[:,0], input_batch[:,1], input_batch[:,2]
emb_s = self.model.emb_e(s).squeeze(dim=1)
emb_r = self.model.emb_rel(r).squeeze(dim=1)
emb_o = self.model.emb_e(o).squeeze(dim=1)
if self.args.add_reciprocals:
r_rev = r + self.n_rel
emb_rrev = self.model.emb_rel(r_rev).squeeze(dim=1)
else:
r_rev = r
emb_rrev = emb_r
pred_sr = self.model.forward(emb_s, emb_r, mode='rhs')
loss_sr = self.model.loss(pred_sr, o) # loss is cross entropy loss
pred_or = self.model.forward(emb_o, emb_rrev, mode='lhs')
loss_or = self.model.loss(pred_or, s)
total_loss = loss_sr + loss_or
if (self.args.reg_weight != 0.0 and self.args.reg_norm == 3):
#self.logger.info('Computing regularizer weight')
if self.args.model == 'complex':
emb_dim = self.args.embedding_dim #int(self.args.embedding_dim/2)
lhs = (emb_s[:, :emb_dim], emb_s[:, emb_dim:])
rel = (emb_r[:, :emb_dim], emb_r[:, emb_dim:])
rel_rev = (emb_rrev[:, :emb_dim], emb_rrev[:, emb_dim:])
rhs = (emb_o[:, :emb_dim], emb_o[:, emb_dim:])
#print(lhs[0].shape, lhs[1].shape)
factors_sr = (torch.sqrt(lhs[0] ** 2 + lhs[1] ** 2),
torch.sqrt(rel[0] ** 2 + rel[1] ** 2),
torch.sqrt(rhs[0] ** 2 + rhs[1] ** 2))
factors_or = (torch.sqrt(lhs[0] ** 2 + lhs[1] ** 2),
torch.sqrt(rel_rev[0] ** 2 + rel_rev[1] ** 2),
torch.sqrt(rhs[0] ** 2 + rhs[1] ** 2))
else:
factors_sr = (emb_s, emb_r, emb_o)
factors_or = (emb_s, emb_rrev, emb_o)
total_loss += self.n3_regularizer(factors_sr)
total_loss += self.n3_regularizer(factors_or)
if (self.args.reg_weight != 0.0 and self.args.reg_norm == 2):
total_loss += self.lp_regularizer()
total_loss.backward()
self.optimizer.step()
losses.append(total_loss.item())
if self.args.save_influence_map: #for gradient rollback
with torch.no_grad():
prev_emb_e = self.previous_weights[0]
prev_emb_rel = self.previous_weights[1]
# need to compute the influence value per-triple
for idx in range(input_batch.shape[0]):
head, rel, tail = s[idx], r[idx], o[idx]
inf_head = (emb_s[idx] - prev_emb_e[head]).cpu().detach().numpy()
inf_tail = (emb_o[idx] - prev_emb_e[tail]).cpu().detach().numpy()
inf_rel = (emb_r[idx] - prev_emb_rel[rel]).cpu().detach().numpy()
#print(inf_head.shape, inf_tail.shape, inf_rel.shape)
#write the influences to dictionary
key_trip = '{0}_{1}_{2}'.format(head.item(), rel.item(), tail.item())
key = '{0}_s'.format(key_trip)
self.influence_map[key] += inf_head
#self.logger.info('Written to influence map. Key: {0}, Value shape: {1}'.format(key, inf_head.shape))
key = '{0}_r'.format(key_trip)
self.influence_map[key] += inf_rel
key = '{0}_o'.format(key_trip)
self.influence_map[key] += inf_tail
# update the previous weights to be tracked
self.previous_weights = [copy.deepcopy(param) for param in self.model.parameters()]
if (b_begin%5000 == 0) or (b_begin== (actual_examples.shape[0]-1)):
self.logger.info('[E:{} | {}]: Train Loss:{:.6}'.format(epoch, b_begin, np.mean(losses)))
loss = np.mean(losses)
self.logger.info('[Epoch:{}]: Training Loss:{:.6}\n'.format(epoch, loss))
return loss
def fit(self):
# if self.args.resume:
# self.load_model()
# results = self.evaluate(split=self.args.resume_split, batch_size = self.args.test_batch_size, epoch = -1)
# pprint(results)
# else:
self.model.init()
self.logger.info(self.model)
self.logger.info('------ Start the model training ------')
start_time = time.time()
self.logger.info('Start time: {0}'.format(str(start_time)))
train_losses = []
valid_losses = []
best_val = 10000000000.
for epoch in range(self.args.epochs):
train_loss = self.run_epoch(epoch)
train_losses.append(train_loss)
# Don't use valid_data here !!!!!!!!!
# valid_loss = self.evaluate(split='valid', batch_size = self.args.valid_batch_size, epoch = epoch)
# valid_losses.append(valid_loss)
# results_test = self.evaluate(split='test', batch_size = self.args.test_batch_size, epoch = epoch)
if train_loss < best_val:
best_val = train_loss
self.save_model()
self.logger.info("Train loss: {0}, Best loss: {1}\n\n".format(train_loss, best_val))
# print("Valid loss: {0}, Best loss: {1}\n\n".format(valid_loss, best_val))
with open(self.loss_path, "wb") as fl:
pkl.dump({"train loss":train_losses, "valid loss":valid_losses}, fl)
self.logger.info('Time taken to train the model: {0}'.format(str(time.time() - start_time)))
start_time = time.time()
if self.args.save_influence_map: #save the influence map
with open(self.influence_path, "wb") as fl: #Pickling
pkl.dump(self.get_influence_map(), fl)
self.logger.info('Finished saving influence map')
self.logger.info('Time taken to save the influence map: {0}'.format(str(time.time() - start_time)))
#%%
parser = utils.get_argument_parser()
parser.add_argument('--thread-name', type = str, required=True, help = "This parameter will be automatically determined.")
args = parser.parse_args()
args = utils.set_hyperparams(args)
# if args.reproduce_results:
# args = utils.set_hyperparams(args)
utils.seed_all(args.seed)
np.set_printoptions(precision=5)
cudnn.benchmark = False
model = Main(args)
model.fit()