-
Notifications
You must be signed in to change notification settings - Fork 13
/
generate_heterogeneous_tc.py
131 lines (122 loc) · 3.99 KB
/
generate_heterogeneous_tc.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
import argparse
from generate_sim_com_matrices import *
# No space for IPs!!!!
private_ip = [
"172.31.29.36",
"172.31.20.200",
"172.31.25.144",
"172.31.42.240",
"172.31.44.241",
"172.31.38.238",
"172.31.39.239",
"172.31.46.234",
"172.31.37.237",
"172.31.44.229",
"172.31.32.231",
"172.31.41.101",
"172.31.39.87",
"172.31.39.219",
"172.31.46.213",
"172.31.36.86",
"172.31.32.80",
"172.31.33.84",
"172.31.40.200",
"172.31.32.75",
"172.31.46.195",
"172.31.46.68",
"172.31.37.253",
"172.31.37.64",
"172.31.45.116",
"172.31.34.247",
"172.31.43.241",
"172.31.46.243",
"172.31.32.167",
"172.31.38.169",
"172.31.34.38",
"172.31.37.38",
"172.31.41.164",
"172.31.35.165",
"172.31.46.35",
"172.31.43.164",
"172.31.42.163",
"172.31.32.163",
"172.31.43.161",
"172.31.35.163",
"172.31.47.94",
"172.31.43.33",
"172.31.40.91",
"172.31.32.220",
"172.31.42.12",
"172.31.43.141",
"172.31.34.137",
"172.31.34.138",
"172.31.37.183",
"172.31.34.1",
"172.31.38.181",
"172.31.39.54",
"172.31.37.51",
"172.31.40.52",
"172.31.37.49",
"172.31.36.179",
"172.31.44.175",
"172.31.38.176",
"172.31.36.42",
"172.31.36.45",
"172.31.35.26",
"172.31.45.157",
"172.31.45.142",
"172.31.37.16"
]
def get_delay_bandwidth(args):
if args.case == '1':
return simulate_1_datacenter(args.nodes)
elif args.case == '2':
return simulate_2_datacenter_spot_gpu(args.nodes)
elif args.case == '3':
return simulate_3_multi_universities(args.nodes)
elif args.case == '4':
return simulate_4_regional_geo_distributed(args.nodes)
elif args.case == '5':
return simulate_5_worldwide_geo_distributed(args.nodes)
else:
assert False
def generate_tc_scripts(args):
assert args.nodes == len(private_ip)
delay, bandwidth, _ = get_delay_bandwidth(args)
with open("../scripts/tc_scripts/heterogeneous_setup_case"+str(args.case)+".sh", 'w') as script:
tc_setting_dict = {}
handle_i = 1
for i in range(len(private_ip)):
if i != args.rank:
current_key = (delay[args.rank][i], bandwidth[args.rank][i])
if current_key not in tc_setting_dict:
tc_setting_dict[current_key] = handle_i
handle_i += 1
assert len(tc_setting_dict) <= 16
# setup delay and bandwidth subclass qdisc
script.write("sudo tc qdisc add dev ens3 root handle 1: prio bands {}\n"
.format(max(3, len(tc_setting_dict))))
for key in tc_setting_dict.keys():
current_delay, current_bandwidth = key
handle_index = tc_setting_dict[key]
limit_pkts = current_delay * 22500 * current_bandwidth
script.write("sudo tc qdisc add dev ens3 parent 1:{} handle {}: netem delay {}ms rate {}Gbit limit {}\n"
.format(handle_index, handle_index*10, current_delay, current_bandwidth, limit_pkts))
# setup filter
for i in range(len(private_ip)):
if i != args.rank:
current_key = (delay[args.rank][i], bandwidth[args.rank][i])
script.write("sudo tc filter add dev ens3 parent 1:0 protocol ip prio 1 u32 match ip dst {}/32 flowid 1:{}\n"
.format(private_ip[i], tc_setting_dict[current_key]))
def main():
parser = argparse.ArgumentParser(description='Test PyTorch Distributed')
parser.add_argument('--case', type=str, default='4', metavar='R',
help='which case to generate.')
parser.add_argument('--rank', type=int, default=0, metavar='R',
help='rank for this IP')
parser.add_argument('--nodes', type=int, default=64, metavar='R',
help='Total number of nodes')
args = parser.parse_args()
generate_tc_scripts(args)
if __name__ == '__main__':
main()