roman-shuhov
/ gist:9464370cc2d3fd1f4b9ba5323e803203
Created
October 30, 2025 09:24
MPTCP (no subflow) + MTU 9000 iperf3 run with "fixed" window
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| ==== WINDOW 512K | |
| [ 5] 0.00-10.00 sec 34.2 GBytes 29.4 Gbits/sec 0 sender | |
| [ 5] 0.00-10.00 sec 33.6 GBytes 28.9 Gbits/sec 0 sender | |
| [ 5] 0.00-10.00 sec 34.0 GBytes 29.2 Gbits/sec 0 sender | |
| ==== WINDOW 1M | |
| [ 5] 0.00-10.00 sec 52.0 GBytes 44.7 Gbits/sec 0 sender | |
| [ 5] 0.00-10.00 sec 48.8 GBytes 41.9 Gbits/sec 0 sender | |
| [ 5] 0.00-10.00 sec 51.7 GBytes 44.4 Gbits/sec 0 sender | |
| ==== WINDOW 2M | |
| [ 5] 0.00-10.00 sec 54.6 GBytes 46.9 Gbits/sec 0 sender |
roman-shuhov
/ gist:be9eb36b2003acac3caa698b469378c0
Created
October 30, 2025 09:24
MPTCP (1 subflow) + MTU 9000 iperf3 run with "fixed" window
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| ==== WINDOW 128K | |
| [ 5] 0.00-30.00 sec 26.1 GBytes 7.47 Gbits/sec 1 sender | |
| [ 5] 0.00-30.00 sec 35.6 GBytes 10.2 Gbits/sec 7 sender | |
| [ 5] 0.00-30.00 sec 35.7 GBytes 10.2 Gbits/sec 14 sender | |
| [ 5] 0.00-30.00 sec 36.1 GBytes 10.3 Gbits/sec 10 sender | |
| [ 5] 0.00-30.00 sec 20.6 GBytes 5.90 Gbits/sec 8 sender | |
| ==== WINDOW 256K | |
| [ 5] 0.00-30.00 sec 67.2 GBytes 19.2 Gbits/sec 3 sender | |
| [ 5] 0.00-30.00 sec 65.7 GBytes 18.8 Gbits/sec 0 sender | |
| [ 5] 0.00-30.00 sec 64.6 GBytes 18.5 Gbits/sec 8 sender |
roman-shuhov
/ gist:428cdd881dba6890ba9c010704959ba4
Last active
October 30, 2025 09:32
TCP vs MPTCP+0 vs MPTCP+1 with 1M window and "perf record"
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| ## TCP | |
| ``` | |
| [ 5] 0.00-30.00 sec 174 GBytes 49.7 Gbits/sec 0 sender | |
| ``` | |
| ``` | |
| 41.44% iperf3 [kernel.kallsyms] [k] _copy_from_iter | |
| 13.57% iperf3 [kernel.kallsyms] [k] tcp_sendmsg | |
| 4.16% iperf3 [kernel.kallsyms] [k] _raw_spin_lock | |
| 3.95% iperf3 [kernel.kallsyms] [k] __alloc_pages_noprof | |
| 3.25% iperf3 [kernel.kallsyms] [k] mlx5e_txwqe_complete |
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