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Time and memory cost of sequential recommendation models

Datasets information:

Dataset #User #Item #Interaction Sparsity
ml-1m 6,041 3,707 1,000,209 0.9553
DIGINETICA 59,425 42,116 547,416 0.9998
Yelp 102,046 98,408 2,903,648 0.9997

Device information

OS:                   Linux
Python Version:       3.8.3
PyTorch Version:      1.7.0
cudatoolkit Version:  10.1
GPU:                  TITAN RTX（24GB）
Machine Specs:        32 CPU machine, 64GB RAM

1) ml-1m dataset:

Time and memory cost on ml-1m dataset:

Method Training Time (sec/epoch) Evaluate Time (sec/epoch) GPU Memory (GB)
Improved GRU-Rec 7.78 0.11 1.27
SASRec 17.78 0.12 1.84
NARM 8.29 0.11 1.29
FPMC 7.51 0.11 1.18
STAMP 7.32 0.11 1.20
Caser 44.85 0.12 1.14
NextItNet 16433.27 96.31 1.86
TransRec 10.08 0.16 8.18
S3Rec - - -
GRU4RecF 10.20 0.15 1.80
SASRecF 18.84 0.17 1.78
BERT4Rec 36.09 0.34 1.97
FDSA 31.86 0.19 2.32
SRGNN 327.38 2.19 1.21
GCSAN 335.27 0.02 1.58
KSR - - -
GRU4RecKG - - -

Config file of ml-1m dataset:

# dataset config
field_separator: "\t"
seq_separator: " "
USER_ID_FIELD: user_id
ITEM_ID_FIELD: item_id
TIME_FIELD: timestamp
NEG_PREFIX: neg_
ITEM_LIST_LENGTH_FIELD: item_length
LIST_SUFFIX: _list
MAX_ITEM_LIST_LENGTH: 20
POSITION_FIELD: position_id
load_col:
  inter: [user_id, item_id, timestamp]
min_user_inter_num: 0
min_item_inter_num: 0

# training and evaluation
epochs: 500
train_batch_size: 2048
eval_batch_size: 2048
valid_metric: MRR@10
eval_setting: TO_LS,full
training_neg_sample_num: 0

Other parameters (including model parameters) are default value.

NOTE :

  1. For FPMC and TransRec model, training_neg_sample_num should be 1 .

  2. For SASRecF, GRU4RecF and FDSA, load_col should as below:

load_col:
  inter: [user_id, item_id, timestamp]
  item: [item_id, genre]

2）DIGINETICA dataset:

Time and memory cost on DIGINETICA dataset:

Method Training Time (sec/epoch) Evaluate Time (sec/epoch) GPU Memory (GB)
Improved GRU-Rec 4.10 1.05 4.02
SASRec 8.36 1.21 4.43
NARM 4.30 1.08 4.09
FPMC 2.98 1.08 4.08
STAMP 4.27 1.04 3.88
Caser 17.15 1.18 3.94
NextItNet - - -
TransRec - - -
S3Rec - - -
GRU4RecF 4.79 1.17 4.83
SASRecF 8.66 1.29 5.11
BERT4Rec 16.80 3.54 7.97
FDSA 13.44 1.47 5.66
SRGNN 88.59 15.37 4.01
GCSAN 96.69 17.11 4.25
KSR - - -
GRU4RecKG - - -

Config file of DIGINETICA dataset:

# dataset config
field_separator: "\t"
seq_separator: " "
USER_ID_FIELD: session_id
ITEM_ID_FIELD: item_id
TIME_FIELD: timestamp
NEG_PREFIX: neg_
ITEM_LIST_LENGTH_FIELD: item_length
LIST_SUFFIX: _list
MAX_ITEM_LIST_LENGTH: 20
POSITION_FIELD: position_id
load_col:
  inter: [session_id, item_id, timestamp]
min_user_inter_num: 6
min_item_inter_num: 1

# training and evaluation
epochs: 500
train_batch_size: 2048
eval_batch_size: 2048
valid_metric: MRR@10
eval_setting: TO_LS,full
training_neg_sample_num: 0

Other parameters (including model parameters) are default value.

NOTE :

  1. For FPMC and TransRec model, training_neg_sample_num should be 1 .

  2. For SASRecF, GRU4RecF and FDSA, load_col should as below:

load_col:
   inter: [session_id, item_id, timestamp]
   item: [item_id, item_category]

3）Yelp dataset:

Time and memory cost on Yelp dataset:

Method Training Time (sec/epoch) Evaluation Time (sec/epoch) GPU Memory (GB)
Improved GRU-Rec 44.31 2.74 7.92
SASRec 75.51 3.11 8.32
NARM 45.65 2.76 7.98
FPMC 21.05 3.05 8.22
STAMP 42.08 2.72 7.77
Caser 147.15 2.89 7.87
NextItNet 45019.38 1670.76 8.44
TransRec - - -
S3Rec - - -
GRU4RecF - - -
SASRecF - - -
BERT4Rec 193.74 8.43 16.57
FDSA - - -
SRGNN 825.11 33.20 7.90
GCSAN 837.23 33.00 8.14
KSR - - -
GRU4RecKG - - -

Config file of DIGINETICA dataset:

# dataset config
field_separator: "\t"
seq_separator: " "
USER_ID_FIELD: session_id
ITEM_ID_FIELD: item_id
TIME_FIELD: timestamp
NEG_PREFIX: neg_
ITEM_LIST_LENGTH_FIELD: item_length
LIST_SUFFIX: _list
MAX_ITEM_LIST_LENGTH: 20
POSITION_FIELD: position_id
load_col:
  inter: [session_id, item_id, timestamp]
min_user_inter_num: 6
min_item_inter_num: 1

# training and evaluation
epochs: 500
train_batch_size: 2048
eval_batch_size: 2048
valid_metric: MRR@10
eval_setting: TO_LS,full
training_neg_sample_num: 0

Other parameters (including model parameters) are default value.

NOTE :

  1. For FPMC and TransRec model, training_neg_sample_num should be 1 .

  2. For SASRecF, GRU4RecF and FDSA, load_col should as below:

load_col:
    inter: [session_id, item_id, timestamp]
 	item: [item_id, item_category]