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[ci skip] Upd benchmark scripts; add new benchmarks results
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‎benchmarks/2017-02-12.md

Lines changed: 54 additions & 57 deletions
Original file line numberDiff line numberDiff line change
@@ -3,17 +3,18 @@
33
Code: https://github.com/palkan/websocket-shootout
44
Client/Server instances: c3.4xlarge (16 vCPU, 30 GiB RAM).
55

6+
Ruby: 2.3.4
7+
Rails: 5.1.0
8+
69
The benchmark measures broadcasting RTT for 10k clients.
710

8-
**NOTE**: memory anc CPU usage was measured by looking at `htop` output.
11+
**NOTE**: memory and CPU usage was measured by looking at `htop` output.
912

1013
## Action Cable (8 workers)
1114

1215
```
13-
deplo@ip-172-31-26-145:/webapps/anycable_bench$ bin/websocket-bench broadcast -l 172.31.
14-
26.145 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 10
15-
00 --payload-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:333
16-
4/cable --server-type=actioncable
16+
bin/websocket-bench broadcast -l 172.31.26.145 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --payload-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/cable --server-type=actioncable
17+
1718
clients: 1000 95per-rtt: 700ms min-rtt: 2ms median-rtt: 264ms max-rtt: 854ms
1819
clients: 2000 95per-rtt: 1155ms min-rtt: 1ms median-rtt: 490ms max-rtt: 1358ms
1920
clients: 3000 95per-rtt: 1584ms min-rtt: 1ms median-rtt: 769ms max-rtt: 1644ms
@@ -24,7 +25,8 @@ clients: 7000 95per-rtt: 3907ms min-rtt: 1ms median-rtt: 1734ms m
2425
clients: 8000 95per-rtt: 4479ms min-rtt: 1ms median-rtt: 2137ms max-rtt: 5469ms
2526
clients: 9000 95per-rtt: 5734ms min-rtt: 1ms median-rtt: 2356ms max-rtt: 8234ms
2627
clients: 10000 95per-rtt: 5292ms min-rtt: 1ms median-rtt: 2784ms max-rtt: 6454ms
27-
2017/02/12 09:18:45 Missing received broadcasts: expected 6600000, got 6572168
28+
29+
Missing received broadcasts: expected 6600000, got 6572168
2830
```
2931

3032
CPU: ~70%
@@ -34,10 +36,8 @@ MEM: ~ 4 GiB
3436
## Action Cable (16 workers)
3537

3638
```
37-
deplo@ip-172-31-26-145:/webapps/anycable_bench$ bin/websocket-bench broadcast -l 172.31.
38-
26.145 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 10
39-
00 --payload-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:333
40-
4/cable --server-type=actioncable
39+
bin/websocket-bench broadcast -l 172.31.26.145 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --payload-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/cable --server-type=actioncable
40+
4141
clients: 1000 95per-rtt: 575ms min-rtt: 1ms median-rtt: 115ms max-rtt: 846ms
4242
clients: 2000 95per-rtt: 1144ms min-rtt: 1ms median-rtt: 250ms max-rtt: 1457ms
4343
clients: 3000 95per-rtt: 1274ms min-rtt: 1ms median-rtt: 439ms max-rtt: 1673ms
@@ -48,7 +48,8 @@ clients: 7000 95per-rtt: 3033ms min-rtt: 1ms median-rtt: 1008ms m
4848
clients: 8000 95per-rtt: 3275ms min-rtt: 1ms median-rtt: 1160ms max-rtt: 4268ms
4949
clients: 9000 95per-rtt: 4406ms min-rtt: 1ms median-rtt: 1342ms max-rtt: 5018ms
5050
clients: 10000 95per-rtt: 5414ms min-rtt: 1ms median-rtt: 1504ms max-rtt: 7039ms
51-
2017/02/12 09:36:45 Missing received broadcasts: expected 6600000, got 6589644
51+
52+
Missing received broadcasts: expected 6600000, got 6589644
5253
```
5354

5455
CPU: ~80-100%
@@ -60,10 +61,8 @@ MEM: ~ 5 GiB
6061
About patch: https://github.com/rails/rails/issues/26999
6162

6263
```
63-
deplo@ip-172-31-26-145:/webapps/anycable_bench$ bin/websocket-bench broadcast -l 172.31.26.14
64-
5 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --paylo
65-
ad-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/cable --serve
66-
r-type=actioncable
64+
bin/websocket-bench broadcast -l 172.31.26.145 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --payload-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/cable --server-type=actioncable
65+
6766
clients: 1000 95per-rtt: 161ms min-rtt: 1ms median-rtt: 44ms max-rtt: 236ms
6867
clients: 2000 95per-rtt: 292ms min-rtt: 1ms median-rtt: 43ms max-rtt: 389ms
6968
clients: 3000 95per-rtt: 359ms min-rtt: 1ms median-rtt: 96ms max-rtt: 556ms
@@ -74,7 +73,8 @@ clients: 7000 95per-rtt: 717ms min-rtt: 1ms median-rtt: 95ms max
7473
clients: 8000 95per-rtt: 679ms min-rtt: 1ms median-rtt: 19ms max-rtt: 1089ms
7574
clients: 9000 95per-rtt: 561ms min-rtt: 1ms median-rtt: 25ms max-rtt: 938ms
7675
clients: 10000 95per-rtt: 1038ms min-rtt: 1ms median-rtt: 59ms max-rtt: 2197ms
77-
2017/02/12 10:33:07 Missing received broadcasts: expected 6600000, got 5649743
76+
77+
Missing received broadcasts: expected 6600000, got 5649743
7878
```
7979

8080
CPU: ~70%
@@ -84,10 +84,8 @@ MEM: ~ 4 GiB
8484
## ActionCable / Patched (16 workers)
8585

8686
```
87-
deplo@ip-172-31-26-145:/webapps/anycable_bench$ bin/websocket-bench broadcast -l 172.31.26.14
88-
5 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --paylo
89-
ad-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/cable --serve
90-
r-type=actioncable
87+
bin/websocket-bench broadcast -l 172.31.26.145 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --payload-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/cable --server-type=actioncable
88+
9189
clients: 1000 95per-rtt: 228ms min-rtt: 1ms median-rtt: 53ms max-rtt: 425ms
9290
clients: 2000 95per-rtt: 277ms min-rtt: 1ms median-rtt: 63ms max-rtt: 407ms
9391
clients: 3000 95per-rtt: 349ms min-rtt: 1ms median-rtt: 28ms max-rtt: 640ms
@@ -98,7 +96,8 @@ clients: 7000 95per-rtt: 466ms min-rtt: 1ms median-rtt: 90ms max
9896
clients: 8000 95per-rtt: 530ms min-rtt: 1ms median-rtt: 26ms max-rtt: 1225ms
9997
clients: 9000 95per-rtt: 459ms min-rtt: 1ms median-rtt: 39ms max-rtt: 622ms
10098
clients: 10000 95per-rtt: 477ms min-rtt: 1ms median-rtt: 71ms max-rtt: 632ms
101-
2017/02/12 10:47:09 Missing received broadcasts: expected 6600000, got 5662008
99+
100+
Missing received broadcasts: expected 6600000, got 5662008
102101
```
103102

104103
CPU: ~80-100%
@@ -108,10 +107,8 @@ MEM: ~ 5 GiB
108107
## Action Cable / AnyCable-Go
109108

110109
```
111-
deplo@ip-172-31-26-145:/webapps/anycable_bench$ bin/websocket-bench broadcast -l 172.31.26.14
112-
5 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --paylo
113-
ad-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/cable --serve
114-
r-type=actioncable
110+
bin/websocket-bench broadcast -l 172.31.26.145 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --payload-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/cable --server-type=actioncable
111+
115112
clients: 1000 95per-rtt: 172ms min-rtt: 2ms median-rtt: 9ms max-rtt: 220ms
116113
clients: 2000 95per-rtt: 228ms min-rtt: 2ms median-rtt: 16ms max-rtt: 498ms
117114
clients: 3000 95per-rtt: 367ms min-rtt: 2ms median-rtt: 14ms max-rtt: 798ms
@@ -122,7 +119,8 @@ clients: 7000 95per-rtt: 813ms min-rtt: 2ms median-rtt: 40ms max
122119
clients: 8000 95per-rtt: 657ms min-rtt: 2ms median-rtt: 39ms max-rtt: 2457ms
123120
clients: 9000 95per-rtt: 792ms min-rtt: 2ms median-rtt: 117ms max-rtt: 1557ms
124121
clients: 10000 95per-rtt: 727ms min-rtt: 2ms median-rtt: 66ms max-rtt: 3391ms
125-
2017/02/12 09:24:35 Missing received broadcasts: expected 6600000, got 6588881
122+
123+
Missing received broadcasts: expected 6600000, got 6588881
126124
```
127125

128126
CPU: 15-25%
@@ -132,9 +130,8 @@ MEM: ~500 MiB
132130
## JavaScript / uWS (clustered)
133131

134132
```
135-
deplo@ip-172-31-26-145:/webapps/anycable_bench$ bin/websocket-bench broadcast -l 172.31.26.14
136-
5 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --paylo
137-
ad-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334
133+
bin/websocket-bench broadcast -l 172.31.26.145 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --payload-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334
134+
138135
clients: 1000 95per-rtt: 207ms min-rtt: 0ms median-rtt: 8ms max-rtt: 611ms
139136
clients: 2000 95per-rtt: 393ms min-rtt: 2ms median-rtt: 20ms max-rtt: 750ms
140137
clients: 3000 95per-rtt: 425ms min-rtt: 4ms median-rtt: 25ms max-rtt: 1196ms
@@ -145,7 +142,8 @@ clients: 7000 95per-rtt: 635ms min-rtt: 6ms median-rtt: 37ms max
145142
clients: 8000 95per-rtt: 782ms min-rtt: 5ms median-rtt: 142ms max-rtt: 1439ms
146143
clients: 9000 95per-rtt: 610ms min-rtt: 7ms median-rtt: 72ms max-rtt: 1552ms
147144
clients: 10000 95per-rtt: 1216ms min-rtt: 7ms median-rtt: 91ms max-rtt: 2195ms
148-
2017/02/12 09:40:31 Missing received broadcasts: expected 6600000, got 6599571
145+
146+
Missing received broadcasts: expected 6600000, got 6599571
149147
```
150148

151149
CPU: 7-8%
@@ -155,9 +153,8 @@ MEM: ~400 MiB
155153
## Go / WebSocket
156154

157155
```
158-
deplo@ip-172-31-26-145:/webapps/anycable_bench$ bin/websocket-bench broadcast -l 172.31.26.14
159-
5 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --paylo
160-
ad-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/json
156+
bin/websocket-bench broadcast -l 172.31.26.145 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --payload-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/json
157+
161158
clients: 1000 95per-rtt: 27ms min-rtt: 7ms median-rtt: 16ms max-rtt: 44ms
162159
clients: 2000 95per-rtt: 193ms min-rtt: 12ms median-rtt: 28ms max-rtt: 235ms
163160
clients: 3000 95per-rtt: 231ms min-rtt: 15ms median-rtt: 35ms max-rtt: 433ms
@@ -168,7 +165,8 @@ clients: 7000 95per-rtt: 449ms min-rtt: 38ms median-rtt: 74ms max
168165
clients: 8000 95per-rtt: 539ms min-rtt: 43ms median-rtt: 89ms max-rtt: 1351ms
169166
clients: 9000 95per-rtt: 534ms min-rtt: 48ms median-rtt: 96ms max-rtt: 2978ms
170167
clients: 10000 95per-rtt: 414ms min-rtt: 57ms median-rtt: 123ms max-rtt: 3424ms
171-
2017/02/12 09:49:29 Missing received broadcasts: expected 6600000, got 6593825
168+
169+
Missing received broadcasts: expected 6600000, got 6593825
172170
```
173171

174172
CPU: one core – ~80-100%, other cores – ~7-10%
@@ -178,9 +176,8 @@ MEM: ~400 MiB
178176
## Erlang / Cowboy
179177

180178
```
181-
deplo@ip-172-31-26-145:/webapps/anycable_bench$ bin/websocket-bench broadcast -l 172.31.26.14
182-
5 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --paylo
183-
ad-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/ws/cable
179+
bin/websocket-bench broadcast -l 172.31.26.145 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --payload-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/ws/cable
180+
184181
clients: 1000 95per-rtt: 204ms min-rtt: 2ms median-rtt: 11ms max-rtt: 585ms
185182
clients: 2000 95per-rtt: 219ms min-rtt: 3ms median-rtt: 20ms max-rtt: 620ms
186183
clients: 3000 95per-rtt: 348ms min-rtt: 6ms median-rtt: 19ms max-rtt: 1447ms
@@ -191,7 +188,8 @@ clients: 7000 95per-rtt: 542ms min-rtt: 13ms median-rtt: 76ms max
191188
clients: 8000 95per-rtt: 737ms min-rtt: 16ms median-rtt: 57ms max-rtt: 1527ms
192189
clients: 9000 95per-rtt: 634ms min-rtt: 17ms median-rtt: 74ms max-rtt: 1479ms
193190
clients: 10000 95per-rtt: 792ms min-rtt: 17ms median-rtt: 79ms max-rtt: 3805ms
194-
2017/02/12 10:11:21 Missing received broadcasts: expected 6600000, got 6575292
191+
192+
Missing received broadcasts: expected 6600000, got 6575292
195193
```
196194

197195
cCPU: 20-30%
@@ -201,9 +199,8 @@ MEM: ~500 MiB
201199
## Ruby / Plezi (1x8)
202200

203201
```
204-
deplo@ip-172-31-26-145:/webapps/anycable_bench$ bin/websocket-bench broadcast -l 172.31.26.14
205-
5 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --paylo
206-
ad-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/
202+
bin/websocket-bench broadcast -l 172.31.26.145 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --payload-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/
203+
207204
clients: 1000 95per-rtt: 84ms min-rtt: 3ms median-rtt: 42ms max-rtt: 95ms
208205
clients: 2000 95per-rtt: 211ms min-rtt: 4ms median-rtt: 60ms max-rtt: 318ms
209206
clients: 3000 95per-rtt: 525ms min-rtt: 2ms median-rtt: 93ms max-rtt: 527ms
@@ -214,7 +211,8 @@ clients: 7000 95per-rtt: 1100ms min-rtt: 1ms median-rtt: 249ms ma
214211
clients: 8000 95per-rtt: 1094ms min-rtt: 7ms median-rtt: 298ms max-rtt: 1134ms
215212
clients: 9000 95per-rtt: 1265ms min-rtt: 1ms median-rtt: 342ms max-rtt: 1407ms
216213
clients: 10000 95per-rtt: 1523ms min-rtt: 2ms median-rtt: 388ms max-rtt: 1555ms
217-
2017/02/12 10:18:07 Missing received broadcasts: expected 6600000, got 6599226
214+
215+
Missing received broadcasts: expected 6600000, got 6599226
218216
```
219217

220218
CPU: ~10-15% (only 1/2 of cores affected)
@@ -224,9 +222,8 @@ MEM: ~300 MiB
224222
## Ruby / Plezi (8x8)
225223

226224
```
227-
deplo@ip-172-31-26-145:/webapps/anycable_bench$ bin/websocket-bench broadcast -l 172.31.26.14
228-
5 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --paylo
229-
ad-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/
225+
bin/websocket-bench broadcast -l 172.31.26.145 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --payload-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/
226+
230227
clients: 1000 95per-rtt: 46ms min-rtt: 1ms median-rtt: 8ms max-rtt: 115ms
231228
clients: 2000 95per-rtt: 152ms min-rtt: 1ms median-rtt: 17ms max-rtt: 241ms
232229
clients: 3000 95per-rtt: 207ms min-rtt: 1ms median-rtt: 26ms max-rtt: 254ms
@@ -237,7 +234,8 @@ clients: 7000 95per-rtt: 210ms min-rtt: 1ms median-rtt: 59ms max
237234
clients: 8000 95per-rtt: 498ms min-rtt: 2ms median-rtt: 58ms max-rtt: 749ms
238235
clients: 9000 95per-rtt: 651ms min-rtt: 2ms median-rtt: 52ms max-rtt: 766ms
239236
clients: 10000 95per-rtt: 796ms min-rtt: 1ms median-rtt: 90ms max-rtt: 800ms
240-
2017/02/12 10:14:31 Missing received broadcasts: expected 6600000, got 2736158
237+
238+
Missing received broadcasts: expected 6600000, got 2736158
241239
```
242240

243241
CPU: ~10%
@@ -253,9 +251,8 @@ EM shows great results but only for the first run (`em-websocket` bug?).
253251
First run:
254252

255253
```
256-
deplo@ip-172-31-26-145:/webapps/anycable_bench$ bin/websocket-bench broadcast -l 172.31.26.14
257-
5 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --paylo
258-
ad-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/
254+
bin/websocket-bench broadcast -l 172.31.26.145 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --payload-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/
255+
259256
clients: 1000 95per-rtt: 24ms min-rtt: 5ms median-rtt: 20ms max-rtt: 30ms
260257
clients: 2000 95per-rtt: 61ms min-rtt: 13ms median-rtt: 42ms max-rtt: 73ms
261258
clients: 3000 95per-rtt: 84ms min-rtt: 18ms median-rtt: 68ms max-rtt: 109ms
@@ -266,15 +263,15 @@ clients: 7000 95per-rtt: 308ms min-rtt: 43ms median-rtt: 190ms max
266263
clients: 8000 95per-rtt: 383ms min-rtt: 52ms median-rtt: 218ms max-rtt: 458ms
267264
clients: 9000 95per-rtt: 401ms min-rtt: 50ms median-rtt: 218ms max-rtt: 550ms
268265
clients: 10000 95per-rtt: 429ms min-rtt: 60ms median-rtt: 246ms max-rtt: 530ms
269-
2017/02/12 10:22:39 Missing received broadcasts: expected 6600000, got 6599593
266+
267+
Missing received broadcasts: expected 6600000, got 6599593
270268
```
271269

272270
Second run:
273271

274272
```
275-
deplo@ip-172-31-26-145:/webapps/anycable_bench$ bin/websocket-bench broadcast -l 172.31.26.14
276-
5 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --paylo
277-
ad-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/
273+
bin/websocket-bench broadcast -l 172.31.26.145 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --payload-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/
274+
278275
clients: 1000 95per-rtt: 246ms min-rtt: 47ms median-rtt: 197ms max-rtt: 287ms
279276
clients: 2000 95per-rtt: 296ms min-rtt: 63ms median-rtt: 229ms max-rtt: 400ms
280277
clients: 3000 95per-rtt: 325ms min-rtt: 184ms median-rtt: 261ms max-rtt: 335ms
@@ -290,9 +287,8 @@ clients: 10000 95per-rtt: 813ms min-rtt: 101ms median-rtt: 448ms max
290287
Third run:
291288

292289
```
293-
deplo@ip-172-31-26-145:/webapps/anycable_bench$ bin/websocket-bench broadcast -l 172.31.26.14
294-
5 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --paylo
295-
ad-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/
290+
bin/websocket-bench broadcast -l 172.31.26.145 -l 172.31.26.146 -l 172.31.26.147 --concurrent 4 --sample-size 100 --step-size 1000 --payload-padding 200 --total-steps 10 --origin http://0.0.0.0 ws://172.31.22.121:3334/
291+
296292
clients: 1000 95per-rtt: 522ms min-rtt: 115ms median-rtt: 414ms max-rtt: 719ms
297293
clients: 2000 95per-rtt: 558ms min-rtt: 119ms median-rtt: 444ms max-rtt: 763ms
298294
clients: 3000 95per-rtt: 499ms min-rtt: 127ms median-rtt: 489ms max-rtt: 833ms
@@ -303,7 +299,8 @@ clients: 7000 95per-rtt: 960ms min-rtt: 130ms median-rtt: 571ms max
303299
clients: 8000 95per-rtt: 1038ms min-rtt: 145ms median-rtt: 592ms max-rtt: 1179ms
304300
clients: 9000 95per-rtt: 1110ms min-rtt: 140ms median-rtt: 625ms max-rtt: 1405ms
305301
clients: 10000 95per-rtt: 1176ms min-rtt: 163ms median-rtt: 649ms max-rtt: 1633ms
306-
2017/02/12 10:28:08 Missing received broadcasts: expected 6600000, got 6599123
302+
303+
Missing received broadcasts: expected 6600000, got 6599123
307304
```
308305

309306
CPU: one core is totally f**ked up

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