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提交 6dcb9cae 编写于 作者: M malin10
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Merge branch 'gnn' into 'develop' 

add gnn

See merge request !12
上级 3cb4e477 a862f89a
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Showing with 1369 addition and 1 deletion
models/recall/gnn/__init__.py 0 → 100755
浏览文件 @ 6dcb9cae
# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
models/recall/gnn/config.yaml 0 → 100644
浏览文件 @ 6dcb9cae
# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
evaluate:
workspace: "fleetrec.models.recall.gnn"
reader:
batch_size: 50
class: "{workspace}/evaluate_reader.py"
test_data_path: "{workspace}/data/test"
train:
trainer:
# for cluster training
strategy: "async"
epochs: 2
workspace: "fleetrec.models.recall.gnn"
reader:
batch_size: 100
class: "{workspace}/reader.py"
train_data_path: "{workspace}/data/train"
dataset_class: "DataLoader"
model:
models: "{workspace}/model.py"
hyper_parameters:
use_DataLoader: True
config_path: "{workspace}/data/config.txt"
sparse_feature_dim: 100
gnn_propogation_steps: 1
learning_rate: 0.001
l2: 0.00001
decay_steps: 3
decay_rate: 0.1
optimizer: adam
save:
increment:
dirname: "increment"
epoch_interval: 1
save_last: True
inference:
dirname: "inference"
epoch_interval: 1
save_last: True
models/recall/gnn/data/test/test.txt 0 → 100644
浏览文件 @ 6dcb9cae
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36,37,38 39
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52,52 53
52 52
54,55 56
54 55
57 57
58,59 58
58 59
60,61,61,62,63,62,64,65,62,66,67,68 68
60,61,61,62,63,62,64,65,62,66,67 68
60,61,61,62,63,62,64,65,62,66 67
60,61,61,62,63,62,64,65,62 66
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166,133,166,166,133,133,167,168,169,170 171
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models/recall/gnn/data/train/train.txt 0 → 100644
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2,3 4
2 3
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7 8
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18 18
20 21
5 22
23,24 25
23 24
26,11,10,27,28,29 30
26,11,10,27,28 29
26,11,10,27 28
26,11,10 27
26,11 10
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31 32
34 35
36,37,38,39,40,37 41
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48,49,48,50,51 22
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8 102
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11 154
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159,160 161
159 160
162,9,163,164 165
162,9,163 164
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162 9
166,133,166,166,133,133,167,168,169,170,171,172 173
166,133,166,166,133,133,167,168,169,170,171 172
166,133,166,166,133,133,167,168,169,170 171
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166,133,166,166,133,133,167,168 169
166,133,166,166,133,133,167 168
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166,133,166 166
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187,188,160,189,190,191,191 192
187,188,160,189,190,191 191
187,188,160,189,190 191
187,188,160,189 190
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198,199,200,201,202 203
198,199,200,201 202
198,199,200 201
198,199 200
198 199
204,132,205,129,206 207
204,132,205,129 206
204,132,205 129
models/recall/gnn/data_process.sh 0 → 100644
浏览文件 @ 6dcb9cae
#! /bin/bash
set -e
echo "begin to download data"
cd raw_data && python download.py
mkdir diginetica
python preprocess.py --dataset diginetica
echo "begin to convert data (binary -> txt)"
python convert_data.py --data_dir diginetica
cat diginetica/train.txt | wc -l >> diginetica/config.txt
mkdir train_data
mv diginetica/train.txt train_data
mkdir test_data
mv diginetica/test.txt test_data
models/recall/gnn/evaluate_reader.py 0 → 100755
浏览文件 @ 6dcb9cae
# Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import numpy as np
import io
import copy
import random
from fleetrec.core.reader import Reader
from fleetrec.core.utils import envs
class EvaluateReader(Reader):
def init(self):
self.batch_size = envs.get_global_env("batch_size", None, "evaluate.reader")
self.input = []
self.length = None
def base_read(self, files):
res = []
for f in files:
with open(f, "r") as fin:
for line in fin:
line = line.strip().split('\t')
res.append(tuple([map(int, line[0].split(',')), int(line[1])]))
return res
def make_data(self, cur_batch, batch_size):
cur_batch = [list(e) for e in cur_batch]
max_seq_len = 0
for e in cur_batch:
max_seq_len = max(max_seq_len, len(e[0]))
last_id = []
for e in cur_batch:
last_id.append(len(e[0]) - 1)
e[0] += [0] * (max_seq_len - len(e[0]))
max_uniq_len = 0
for e in cur_batch:
max_uniq_len = max(max_uniq_len, len(np.unique(e[0])))
items, adj_in, adj_out, seq_index, last_index = [], [], [], [], []
mask, label = [], []
id = 0
for e in cur_batch:
node = np.unique(e[0])
items.append(node.tolist() + (max_uniq_len - len(node)) * [0])
adj = np.zeros((max_uniq_len, max_uniq_len))
for i in np.arange(len(e[0]) - 1):
if e[0][i + 1] == 0:
break
u = np.where(node == e[0][i])[0][0]
v = np.where(node == e[0][i + 1])[0][0]
adj[u][v] = 1
u_deg_in = np.sum(adj, 0)
u_deg_in[np.where(u_deg_in == 0)] = 1
adj_in.append(np.divide(adj, u_deg_in).transpose())
u_deg_out = np.sum(adj, 1)
u_deg_out[np.where(u_deg_out == 0)] = 1
adj_out.append(np.divide(adj.transpose(), u_deg_out).transpose())
seq_index.append(
[[id, np.where(node == i)[0][0]] for i in e[0]])
last_index.append(
[id, np.where(node == e[0][last_id[id]])[0][0]])
label.append(e[1] - 1)
mask.append([[1] * (last_id[id] + 1) + [0] *
(max_seq_len - last_id[id] - 1)])
id += 1
items = np.array(items).astype("int64").reshape((batch_size, -1))
seq_index = np.array(seq_index).astype("int32").reshape(
(batch_size, -1, 2))
last_index = np.array(last_index).astype("int32").reshape(
(batch_size, 2))
adj_in = np.array(adj_in).astype("float32").reshape(
(batch_size, max_uniq_len, max_uniq_len))
adj_out = np.array(adj_out).astype("float32").reshape(
(batch_size, max_uniq_len, max_uniq_len))
mask = np.array(mask).astype("float32").reshape((batch_size, -1, 1))
label = np.array(label).astype("int64").reshape((batch_size, 1))
return zip(items, seq_index, last_index, adj_in, adj_out, mask, label)
def batch_reader(self, batch_size, batch_group_size, train=True):
def _reader():
random.shuffle(self.input)
group_remain = self.length % batch_group_size
for bg_id in range(0, self.length - group_remain, batch_group_size):
cur_bg = copy.deepcopy(self.input[bg_id:bg_id + batch_group_size])
if train:
cur_bg = sorted(cur_bg, key=lambda x: len(x[0]), reverse=True)
for i in range(0, batch_group_size, batch_size):
cur_batch = cur_bg[i:i + batch_size]
yield self.make_data(cur_batch, batch_size)
if group_remain == 0:
return
remain_data = copy.deepcopy(self.input[-group_remain:])
if train:
remain_data = sorted(
remain_data, key=lambda x: len(x[0]), reverse=True)
for i in range(0, group_remain, batch_size):
if i + batch_size <= group_remain:
cur_batch = remain_data[i:i + batch_size]
yield self.make_data(cur_batch, batch_size)
else:
# Due to fixed batch_size, discard the remaining ins
return
#cur_batch = remain_data[i:]
#yield self.make_data(cur_batch, group_remain % batch_size)
return _reader
def generate_batch_from_trainfiles(self, files):
self.input = self.base_read(files)
self.length = len(self.input)
return self.batch_reader(self.batch_size, self.batch_size * 20, False)
def generate_sample(self, line):
def data_iter():
yield []
return data_iter
models/recall/gnn/model.py 0 → 100644
浏览文件 @ 6dcb9cae
# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import numpy as np
import math
import paddle.fluid as fluid
import paddle.fluid.layers as layers
from fleetrec.core.utils import envs
from fleetrec.core.model import Model as ModelBase
class Model(ModelBase):
def __init__(self, config):
ModelBase.__init__(self, config)
self.init_config()
def init_config(self):
self._fetch_interval = 1
self.items_num, self.ins_num = self.config_read(envs.get_global_env("hyper_parameters.config_path", None, self._namespace))
self.train_batch_size = envs.get_global_env("batch_size", None, "train.reader")
self.evaluate_batch_size = envs.get_global_env("batch_size", None, "evaluate.reader")
self.hidden_size = envs.get_global_env("hyper_parameters.sparse_feature_dim", None, self._namespace)
self.step = envs.get_global_env("hyper_parameters.gnn_propogation_steps", None, self._namespace)
def config_read(self, config_path=None):
if config_path is None:
raise ValueError("please set train.model.hyper_parameters.config_path at first")
with open(config_path, "r") as fin:
item_nums = int(fin.readline().strip())
ins_nums = int(fin.readline().strip())
return item_nums, ins_nums
def input(self, bs):
self.items = fluid.data(
name="items",
shape=[bs, -1],
dtype="int64") #[batch_size, uniq_max]
self.seq_index = fluid.data(
name="seq_index",
shape=[bs, -1, 2],
dtype="int32") #[batch_size, seq_max, 2]
self.last_index = fluid.data(
name="last_index",
shape=[bs, 2],
dtype="int32") #[batch_size, 2]
self.adj_in = fluid.data(
name="adj_in",
shape=[bs, -1, -1],
dtype="float32") #[batch_size, seq_max, seq_max]
self.adj_out = fluid.data(
name="adj_out",
shape=[bs, -1, -1],
dtype="float32") #[batch_size, seq_max, seq_max]
self.mask = fluid.data(
name="mask",
shape=[bs, -1, 1],
dtype="float32") #[batch_size, seq_max, 1]
self.label = fluid.data(
name="label",
shape=[bs, 1],
dtype="int64") #[batch_size, 1]
res = [self.items, self.seq_index, self.last_index, self.adj_in, self.adj_out, self.mask, self.label]
return res
def train_input(self):
res = self.input(self.train_batch_size)
self._data_var = res
use_dataloader = envs.get_global_env("hyper_parameters.use_DataLoader", False, self._namespace)
if self._platform != "LINUX" or use_dataloader:
self._data_loader = fluid.io.DataLoader.from_generator(
feed_list=self._data_var, capacity=256, use_double_buffer=False, iterable=False)
def net(self, items_num, hidden_size, step, bs):
stdv = 1.0 / math.sqrt(hidden_size)
def embedding_layer(input, table_name, emb_dim, initializer_instance=None):
emb = fluid.embedding(
input=input,
size=[items_num, emb_dim],
param_attr=fluid.ParamAttr(
name=table_name,
initializer=initializer_instance),
)
return emb
sparse_initializer = fluid.initializer.Uniform(low=-stdv, high=stdv)
items_emb = embedding_layer(self.items, "emb", hidden_size, sparse_initializer)
pre_state = items_emb
for i in range(step):
pre_state = layers.reshape(x=pre_state, shape=[bs, -1, hidden_size])
state_in = layers.fc(
input=pre_state,
name="state_in",
size=hidden_size,
act=None,
num_flatten_dims=2,
param_attr=fluid.ParamAttr(initializer=fluid.initializer.Uniform(
low=-stdv, high=stdv)),
bias_attr=fluid.ParamAttr(initializer=fluid.initializer.Uniform(
low=-stdv, high=stdv))) #[batch_size, uniq_max, h]
state_out = layers.fc(
input=pre_state,
name="state_out",
size=hidden_size,
act=None,
num_flatten_dims=2,
param_attr=fluid.ParamAttr(initializer=fluid.initializer.Uniform(
low=-stdv, high=stdv)),
bias_attr=fluid.ParamAttr(initializer=fluid.initializer.Uniform(
low=-stdv, high=stdv))) #[batch_size, uniq_max, h]
state_adj_in = layers.matmul(self.adj_in, state_in) #[batch_size, uniq_max, h]
state_adj_out = layers.matmul(self.adj_out, state_out) #[batch_size, uniq_max, h]
gru_input = layers.concat([state_adj_in, state_adj_out], axis=2)
gru_input = layers.reshape(x=gru_input, shape=[-1, hidden_size * 2])
gru_fc = layers.fc(
input=gru_input,
name="gru_fc",
size=3 * hidden_size,
bias_attr=False)
pre_state, _, _ = fluid.layers.gru_unit(
input=gru_fc,
hidden=layers.reshape(x=pre_state, shape=[-1, hidden_size]),
size=3 * hidden_size)
final_state = layers.reshape(pre_state, shape=[bs, -1, hidden_size])
seq = layers.gather_nd(final_state, self.seq_index)
last = layers.gather_nd(final_state, self.last_index)
seq_fc = layers.fc(
input=seq,
name="seq_fc",
size=hidden_size,
bias_attr=False,
act=None,
num_flatten_dims=2,
param_attr=fluid.ParamAttr(
initializer=fluid.initializer.Uniform(
low=-stdv, high=stdv))) #[batch_size, seq_max, h]
last_fc = layers.fc(
input=last,
name="last_fc",
size=hidden_size,
bias_attr=False,
act=None,
num_flatten_dims=1,
param_attr=fluid.ParamAttr(
initializer=fluid.initializer.Uniform(
low=-stdv, high=stdv))) #[bathc_size, h]
seq_fc_t = layers.transpose(
seq_fc, perm=[1, 0, 2]) #[seq_max, batch_size, h]
add = layers.elementwise_add(
seq_fc_t, last_fc) #[seq_max, batch_size, h]
b = layers.create_parameter(
shape=[hidden_size],
dtype='float32',
default_initializer=fluid.initializer.Constant(value=0.0)) #[h]
add = layers.elementwise_add(add, b) #[seq_max, batch_size, h]
add_sigmoid = layers.sigmoid(add) #[seq_max, batch_size, h]
add_sigmoid = layers.transpose(
add_sigmoid, perm=[1, 0, 2]) #[batch_size, seq_max, h]
weight = layers.fc(
input=add_sigmoid,
name="weight_fc",
size=1,
act=None,
num_flatten_dims=2,
bias_attr=False,
param_attr=fluid.ParamAttr(
initializer=fluid.initializer.Uniform(
low=-stdv, high=stdv))) #[batch_size, seq_max, 1]
weight *= self.mask
weight_mask = layers.elementwise_mul(seq, weight, axis=0) #[batch_size, seq_max, h]
global_attention = layers.reduce_sum(weight_mask, dim=1) #[batch_size, h]
final_attention = layers.concat(
[global_attention, last], axis=1) #[batch_size, 2*h]
final_attention_fc = layers.fc(
input=final_attention,
name="final_attention_fc",
size=hidden_size,
bias_attr=False,
act=None,
param_attr=fluid.ParamAttr(initializer=fluid.initializer.Uniform(
low=-stdv, high=stdv))) #[batch_size, h]
# all_vocab = layers.create_global_var(
# shape=[items_num - 1],
# value=0,
# dtype="int64",
# persistable=True,
# name="all_vocab")
all_vocab = np.arange(1, items_num).reshape((-1)).astype('int32')
all_vocab = fluid.layers.cast(x=fluid.layers.assign(all_vocab), dtype='int64')
all_emb = fluid.embedding(
input=all_vocab,
param_attr=fluid.ParamAttr(
name="emb",
initializer=fluid.initializer.Uniform(
low=-stdv, high=stdv)),
size=[items_num, hidden_size]) #[all_vocab, h]
logits = layers.matmul(
x=final_attention_fc, y=all_emb,
transpose_y=True) #[batch_size, all_vocab]
softmax = layers.softmax_with_cross_entropy(
logits=logits, label=self.label) #[batch_size, 1]
self.loss = layers.reduce_mean(softmax) # [1]
self.acc = layers.accuracy(input=logits, label=self.label, k=20)
def avg_loss(self):
self._cost = self.loss
def metrics(self):
self._metrics["LOSS"] = self.loss
self._metrics["train_acc"] = self.acc
def train_net(self):
self.train_input()
self.net(self.items_num, self.hidden_size, self.step, self.train_batch_size)
self.avg_loss()
self.metrics()
def optimizer(self):
learning_rate = envs.get_global_env("hyper_parameters.learning_rate", None, self._namespace)
step_per_epoch = self.ins_num // self.train_batch_size
decay_steps = envs.get_global_env("hyper_parameters.decay_steps", None, self._namespace)
decay_rate = envs.get_global_env("hyper_parameters.decay_rate", None, self._namespace)
l2 = envs.get_global_env("hyper_parameters.l2", None, self._namespace)
optimizer = fluid.optimizer.Adam(
learning_rate=fluid.layers.exponential_decay(
learning_rate=learning_rate,
decay_steps=decay_steps * step_per_epoch,
decay_rate=decay_rate),
regularization=fluid.regularizer.L2DecayRegularizer(
regularization_coeff=l2))
return optimizer
def infer_input(self):
self._reader_namespace = "evaluate.reader"
res = self.input(self.evaluate_batch_size)
self._infer_data_var = res
self._infer_data_loader = fluid.io.DataLoader.from_generator(
feed_list=self._infer_data_var, capacity=64, use_double_buffer=False, iterable=False)
def infer_net(self):
self.infer_input()
self.net(self.items_num, self.hidden_size, self.step, self.evaluate_batch_size)
self._infer_results['acc'] = self.acc
self._infer_results['loss'] = self.loss
models/recall/gnn/raw_data/convert_data.py 0 → 100755
浏览文件 @ 6dcb9cae
import argparse
import time
import pickle
import os
parser = argparse.ArgumentParser()
parser.add_argument(
'--data_dir',
default='sample',
help='dataset dir: diginetica/yoochoose1_4/yoochoose1_64/sample')
opt = parser.parse_args()
def process_data(file_type):
path = os.path.join(opt.data_dir, file_type)
output_path = os.path.splitext(path)[0] + ".txt"
data = pickle.load(open(path, 'rb'))
data = list(zip(data[0], data[1]))
length = len(data)
with open(output_path, 'w') as fout:
for i in range(length):
fout.write(','.join(map(str, data[i][0])))
fout.write('\t')
fout.write(str(data[i][1]))
fout.write("\n")
process_data("train")
process_data("test")
print('Done.')
models/recall/gnn/raw_data/download.py 0 → 100644
浏览文件 @ 6dcb9cae
import requests
import sys
import time
import os
lasttime = time.time()
FLUSH_INTERVAL = 0.1
def progress(str, end=False):
global lasttime
if end:
str += "\n"
lasttime = 0
if time.time() - lasttime >= FLUSH_INTERVAL:
sys.stdout.write("\r%s" % str)
lasttime = time.time()
sys.stdout.flush()
def _download_file(url, savepath, print_progress):
r = requests.get(url, stream=True)
total_length = r.headers.get('content-length')
if total_length is None:
with open(savepath, 'wb') as f:
shutil.copyfileobj(r.raw, f)
else:
with open(savepath, 'wb') as f:
dl = 0
total_length = int(total_length)
starttime = time.time()
if print_progress:
print("Downloading %s" % os.path.basename(savepath))
for data in r.iter_content(chunk_size=4096):
dl += len(data)
f.write(data)
if print_progress:
done = int(50 * dl / total_length)
progress("[%-50s] %.2f%%" %
('=' * done, float(100 * dl) / total_length))
if print_progress:
progress("[%-50s] %.2f%%" % ('=' * 50, 100), end=True)
_download_file("https://sr-gnn.bj.bcebos.com/train-item-views.csv",
"./train-item-views.csv", True)
models/recall/gnn/raw_data/preprocess.py 0 → 100755
浏览文件 @ 6dcb9cae
#!/usr/bin/env python36
# -*- coding: utf-8 -*-
"""
Created on July, 2018
@author: Tangrizzly
"""
import argparse
import time
import csv
import pickle
import operator
import datetime
import os
parser = argparse.ArgumentParser()
parser.add_argument(
'--dataset',
default='sample',
help='dataset name: diginetica/yoochoose/sample')
opt = parser.parse_args()
print(opt)
dataset = 'sample_train-item-views.csv'
if opt.dataset == 'diginetica':
dataset = 'train-item-views.csv'
elif opt.dataset == 'yoochoose':
dataset = 'yoochoose-clicks.dat'
print("-- Starting @ %ss" % datetime.datetime.now())
with open(dataset, "r") as f:
if opt.dataset == 'yoochoose':
reader = csv.DictReader(f, delimiter=',')
else:
reader = csv.DictReader(f, delimiter=';')
sess_clicks = {}
sess_date = {}
ctr = 0
curid = -1
curdate = None
for data in reader:
sessid = data['session_id']
if curdate and not curid == sessid:
date = ''
if opt.dataset == 'yoochoose':
date = time.mktime(
time.strptime(curdate[:19], '%Y-%m-%dT%H:%M:%S'))
else:
date = time.mktime(time.strptime(curdate, '%Y-%m-%d'))
sess_date[curid] = date
curid = sessid
if opt.dataset == 'yoochoose':
item = data['item_id']
else:
item = data['item_id'], int(data['timeframe'])
curdate = ''
if opt.dataset == 'yoochoose':
curdate = data['timestamp']
else:
curdate = data['eventdate']
if sessid in sess_clicks:
sess_clicks[sessid] += [item]
else:
sess_clicks[sessid] = [item]
ctr += 1
date = ''
if opt.dataset == 'yoochoose':
date = time.mktime(time.strptime(curdate[:19], '%Y-%m-%dT%H:%M:%S'))
else:
date = time.mktime(time.strptime(curdate, '%Y-%m-%d'))
for i in list(sess_clicks):
sorted_clicks = sorted(sess_clicks[i], key=operator.itemgetter(1))
sess_clicks[i] = [c[0] for c in sorted_clicks]
sess_date[curid] = date
print("-- Reading data @ %ss" % datetime.datetime.now())
# Filter out length 1 sessions
for s in list(sess_clicks):
if len(sess_clicks[s]) == 1:
del sess_clicks[s]
del sess_date[s]
# Count number of times each item appears
iid_counts = {}
for s in sess_clicks:
seq = sess_clicks[s]
for iid in seq:
if iid in iid_counts:
iid_counts[iid] += 1
else:
iid_counts[iid] = 1
sorted_counts = sorted(iid_counts.items(), key=operator.itemgetter(1))
length = len(sess_clicks)
for s in list(sess_clicks):
curseq = sess_clicks[s]
filseq = list(filter(lambda i: iid_counts[i] >= 5, curseq))
if len(filseq) < 2:
del sess_clicks[s]
del sess_date[s]
else:
sess_clicks[s] = filseq
# Split out test set based on dates
dates = list(sess_date.items())
maxdate = dates[0][1]
for _, date in dates:
if maxdate < date:
maxdate = date
# 7 days for test
splitdate = 0
if opt.dataset == 'yoochoose':
splitdate = maxdate - 86400 * 1 # the number of seconds for a day：86400
else:
splitdate = maxdate - 86400 * 7
print('Splitting date', splitdate) # Yoochoose: ('Split date', 1411930799.0)
tra_sess = filter(lambda x: x[1] < splitdate, dates)
tes_sess = filter(lambda x: x[1] > splitdate, dates)
# Sort sessions by date
tra_sess = sorted(
tra_sess, key=operator.itemgetter(1)) # [(session_id, timestamp), (), ]
tes_sess = sorted(
tes_sess, key=operator.itemgetter(1)) # [(session_id, timestamp), (), ]
print(len(tra_sess)) # 186670 # 7966257
print(len(tes_sess)) # 15979 # 15324
print(tra_sess[:3])
print(tes_sess[:3])
print("-- Splitting train set and test set @ %ss" % datetime.datetime.now())
# Choosing item count >=5 gives approximately the same number of items as reported in paper
item_dict = {}
# Convert training sessions to sequences and renumber items to start from 1
def obtian_tra():
train_ids = []
train_seqs = []
train_dates = []
item_ctr = 1
for s, date in tra_sess:
seq = sess_clicks[s]
outseq = []
for i in seq:
if i in item_dict:
outseq += [item_dict[i]]
else:
outseq += [item_ctr]
item_dict[i] = item_ctr
item_ctr += 1
if len(outseq) < 2: # Doesn't occur
continue
train_ids += [s]
train_dates += [date]
train_seqs += [outseq]
print(item_ctr) # 43098, 37484
with open("./diginetica/config.txt", "w") as fout:
fout.write(str(item_ctr) + "\n")
return train_ids, train_dates, train_seqs
# Convert test sessions to sequences, ignoring items that do not appear in training set
def obtian_tes():
test_ids = []
test_seqs = []
test_dates = []
for s, date in tes_sess:
seq = sess_clicks[s]
outseq = []
for i in seq:
if i in item_dict:
outseq += [item_dict[i]]
if len(outseq) < 2:
continue
test_ids += [s]
test_dates += [date]
test_seqs += [outseq]
return test_ids, test_dates, test_seqs
tra_ids, tra_dates, tra_seqs = obtian_tra()
tes_ids, tes_dates, tes_seqs = obtian_tes()
def process_seqs(iseqs, idates):
out_seqs = []
out_dates = []
labs = []
ids = []
for id, seq, date in zip(range(len(iseqs)), iseqs, idates):
for i in range(1, len(seq)):
tar = seq[-i]
labs += [tar]
out_seqs += [seq[:-i]]
out_dates += [date]
ids += [id]
return out_seqs, out_dates, labs, ids
tr_seqs, tr_dates, tr_labs, tr_ids = process_seqs(tra_seqs, tra_dates)
te_seqs, te_dates, te_labs, te_ids = process_seqs(tes_seqs, tes_dates)
tra = (tr_seqs, tr_labs)
tes = (te_seqs, te_labs)
print(len(tr_seqs))
print(len(te_seqs))
print(tr_seqs[:3], tr_dates[:3], tr_labs[:3])
print(te_seqs[:3], te_dates[:3], te_labs[:3])
all = 0
for seq in tra_seqs:
all += len(seq)
for seq in tes_seqs:
all += len(seq)
print('avg length: ', all / (len(tra_seqs) + len(tes_seqs) * 1.0))
if opt.dataset == 'diginetica':
if not os.path.exists('diginetica'):
os.makedirs('diginetica')
pickle.dump(tra, open('diginetica/train', 'wb'))
pickle.dump(tes, open('diginetica/test', 'wb'))
pickle.dump(tra_seqs, open('diginetica/all_train_seq', 'wb'))
elif opt.dataset == 'yoochoose':
if not os.path.exists('yoochoose1_4'):
os.makedirs('yoochoose1_4')
if not os.path.exists('yoochoose1_64'):
os.makedirs('yoochoose1_64')
pickle.dump(tes, open('yoochoose1_4/test', 'wb'))
pickle.dump(tes, open('yoochoose1_64/test', 'wb'))
split4, split64 = int(len(tr_seqs) / 4), int(len(tr_seqs) / 64)
print(len(tr_seqs[-split4:]))
print(len(tr_seqs[-split64:]))
tra4, tra64 = (tr_seqs[-split4:], tr_labs[-split4:]), (tr_seqs[-split64:],
tr_labs[-split64:])
seq4, seq64 = tra_seqs[tr_ids[-split4]:], tra_seqs[tr_ids[-split64]:]
pickle.dump(tra4, open('yoochoose1_4/train', 'wb'))
pickle.dump(seq4, open('yoochoose1_4/all_train_seq', 'wb'))
pickle.dump(tra64, open('yoochoose1_64/train', 'wb'))
pickle.dump(seq64, open('yoochoose1_64/all_train_seq', 'wb'))
else:
if not os.path.exists('sample'):
os.makedirs('sample')
pickle.dump(tra, open('sample/train', 'wb'))
pickle.dump(tes, open('sample/test', 'wb'))
pickle.dump(tra_seqs, open('sample/all_train_seq', 'wb'))
print('Done.')
models/recall/gnn/reader.py 0 → 100755
浏览文件 @ 6dcb9cae
# Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import numpy as np
import io
import copy
import random
from fleetrec.core.reader import Reader
from fleetrec.core.utils import envs
class TrainReader(Reader):
def init(self):
self.batch_size = envs.get_global_env("batch_size", None, "train.reader")
self.input = []
self.length = None
def base_read(self, files):
res = []
for f in files:
with open(f, "r") as fin:
for line in fin:
line = line.strip().split('\t')
res.append(tuple([map(int, line[0].split(',')), int(line[1])]))
return res
def make_data(self, cur_batch, batch_size):
cur_batch = [list(e) for e in cur_batch]
max_seq_len = 0
for e in cur_batch:
max_seq_len = max(max_seq_len, len(e[0]))
last_id = []
for e in cur_batch:
last_id.append(len(e[0]) - 1)
e[0] += [0] * (max_seq_len - len(e[0]))
max_uniq_len = 0
for e in cur_batch:
max_uniq_len = max(max_uniq_len, len(np.unique(e[0])))
items, adj_in, adj_out, seq_index, last_index = [], [], [], [], []
mask, label = [], []
id = 0
for e in cur_batch:
node = np.unique(e[0])
items.append(node.tolist() + (max_uniq_len - len(node)) * [0])
adj = np.zeros((max_uniq_len, max_uniq_len))
for i in np.arange(len(e[0]) - 1):
if e[0][i + 1] == 0:
break
u = np.where(node == e[0][i])[0][0]
v = np.where(node == e[0][i + 1])[0][0]
adj[u][v] = 1
u_deg_in = np.sum(adj, 0)
u_deg_in[np.where(u_deg_in == 0)] = 1
adj_in.append(np.divide(adj, u_deg_in).transpose())
u_deg_out = np.sum(adj, 1)
u_deg_out[np.where(u_deg_out == 0)] = 1
adj_out.append(np.divide(adj.transpose(), u_deg_out).transpose())
seq_index.append(
[[id, np.where(node == i)[0][0]] for i in e[0]])
last_index.append(
[id, np.where(node == e[0][last_id[id]])[0][0]])
label.append(e[1] - 1)
mask.append([[1] * (last_id[id] + 1) + [0] *
(max_seq_len - last_id[id] - 1)])
id += 1
items = np.array(items).astype("int64").reshape((batch_size, -1))
seq_index = np.array(seq_index).astype("int32").reshape(
(batch_size, -1, 2))
last_index = np.array(last_index).astype("int32").reshape(
(batch_size, 2))
adj_in = np.array(adj_in).astype("float32").reshape(
(batch_size, max_uniq_len, max_uniq_len))
adj_out = np.array(adj_out).astype("float32").reshape(
(batch_size, max_uniq_len, max_uniq_len))
mask = np.array(mask).astype("float32").reshape((batch_size, -1, 1))
label = np.array(label).astype("int64").reshape((batch_size, 1))
return zip(items, seq_index, last_index, adj_in, adj_out, mask, label)
def batch_reader(self, batch_size, batch_group_size, train=True):
def _reader():
random.shuffle(self.input)
group_remain = self.length % batch_group_size
for bg_id in range(0, self.length - group_remain, batch_group_size):
cur_bg = copy.deepcopy(self.input[bg_id:bg_id + batch_group_size])
if train:
cur_bg = sorted(cur_bg, key=lambda x: len(x[0]), reverse=True)
for i in range(0, batch_group_size, batch_size):
cur_batch = cur_bg[i:i + batch_size]
yield self.make_data(cur_batch, batch_size)
if group_remain == 0:
return
remain_data = copy.deepcopy(self.input[-group_remain:])
if train:
remain_data = sorted(
remain_data, key=lambda x: len(x[0]), reverse=True)
for i in range(0, group_remain, batch_size):
if i + batch_size <= group_remain:
cur_batch = remain_data[i:i + batch_size]
yield self.make_data(cur_batch, batch_size)
else:
# Due to fixed batch_size, discard the remaining ins
return
#cur_batch = remain_data[i:]
#yield self.make_data(cur_batch, group_remain % batch_size)
return _reader
def generate_batch_from_trainfiles(self, files):
self.input = self.base_read(files)
self.length = len(self.input)
return self.batch_reader(self.batch_size, self.batch_size * 20)
def generate_sample(self, line):
def data_iter():
yield []
return data_iter
setup.py
浏览文件 @ 6dcb9cae
...@@ -39,7 +39,7 @@ def build(dirname): ...@@ -39,7 +39,7 @@ def build(dirname):
packages = find_packages(dirname, include=('fleetrec.*')) packages = find_packages(dirname, include=('fleetrec.*'))
package_dir = {'': dirname} package_dir = {'': dirname}
package_data = {} package_data = {}
need_copy = ['data/*/*.txt', '*.yaml', 'tree/*.npy','tree/*.txt'] need_copy = ['data/*.txt', 'data/*/*.txt', '*.yaml', 'tree/*.npy','tree/*.txt']
for package in packages: for package in packages:
if package.startswith("fleetrec.models."): if package.startswith("fleetrec.models."):
package_data[package] = need_copy package_data[package] = need_copy
......
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