Lang |
Buffer Size |
100c/10s |
100c/60s |
Go |
1kb |
475.944 Mbps |
437.203 Mbps |
Go |
8kb |
1993.027 Mbps |
1976.818 Mbps |
Go |
16kb |
2027.369 Mbps |
2048.668 Mbps |
Rust |
1kb |
1672.325 Mbps |
1661.514 Mbps |
Rust |
8kb |
2242.304 Mbps |
2385.639 Mbps |
Rust |
16kb |
2121.545 Mbps |
2197.390 Mbps |
Go 1k buffer:
$ tcpkali 0.0.0.0:2112 -m 'hello world' -c 100 -T 10s
Destination: [0.0.0.0]:2112
Interface lo address [127.0.0.1]:0
Using interface lo to connect to [0.0.0.0]:2112
Ramped up to 100 connections.
Total data sent: 28452.8 MiB (29834929278 bytes)
Total data received: 28379.5 MiB (29758079840 bytes)
Bandwidth per channel: 475.944⇅ Mbps (59493.0 kBps)
Aggregate bandwidth: 23766.502↓, 23827.878↑ Mbps
Packet rate estimate: 2573356.6↓, 2045100.8↑ (4↓, 45↑ TCP MSS/op)
Test duration: 10.0168 s.
$ tcpkali 0.0.0.0:2112 -m 'hello world' -c 100 -T 60s
Destination: [0.0.0.0]:2112
Interface lo address [127.0.0.1]:0
Using interface lo to connect to [0.0.0.0]:2112
Ramped up to 100 connections.
Total data sent: 156401.1 MiB (163998489996 bytes)
Total data received: 156344.8 MiB (163939399524 bytes)
Bandwidth per channel: 437.203⇅ Mbps (54650.3 kBps)
Aggregate bandwidth: 21856.186↓, 21864.064↑ Mbps
Packet rate estimate: 1883824.8↓, 1876550.4↑ (3↓, 45↑ TCP MSS/op)
Test duration: 60.0066 s.
Go 8k buffer:
$ tcpkali 0.0.0.0:2112 -m 'hello world' -c 100 -T 10s
Destination: [0.0.0.0]:2112
Interface lo address [127.0.0.1]:0
Using interface lo to connect to [0.0.0.0]:2112
Ramped up to 100 connections.
Total data sent: 118980.1 MiB (124759644174 bytes)
Total data received: 118674.1 MiB (124438780931 bytes)
Bandwidth per channel: 1993.027⇅ Mbps (249128.4 kBps)
Aggregate bandwidth: 99523.052↓, 99779.670↑ Mbps
Packet rate estimate: 9177995.1↓, 8563896.4↑ (12↓, 45↑ TCP MSS/op)
Test duration: 10.0028 s.
$ tcpkali 0.0.0.0:2112 -m 'hello world' -c 100 -T 60s
Destination: [0.0.0.0]:2112
Interface lo address [127.0.0.1]:0
Using interface lo to connect to [0.0.0.0]:2112
Ramped up to 100 connections.
Total data sent: 714019.0 MiB (748703228328 bytes)
Total data received: 714055.0 MiB (748740922710 bytes)
Bandwidth per channel: 1976.818⇅ Mbps (247102.2 kBps)
Aggregate bandwidth: 99831.805↓, 99826.779↑ Mbps
Packet rate estimate: 9197524.9↓, 8567939.7↑ (12↓, 45↑ TCP MSS/op)
Test duration: 60.0002 s.
Go 16k buffer:
$ tcpkali 0.0.0.0:2112 -m 'hello world' -c 100 -T 10s
Destination: [0.0.0.0]:2112
Interface lo address [127.0.0.1]:0
Using interface lo to connect to [0.0.0.0]:2112
Ramped up to 100 connections.
Total data sent: 122184.2 MiB (128119384206 bytes)
Total data received: 122054.1 MiB (127982956911 bytes)
Bandwidth per channel: 2027.369⇅ Mbps (253421.1 kBps)
Aggregate bandwidth: 102327.589↓, 102436.668↑ Mbps
Packet rate estimate: 9370484.0↓, 8791941.4↑ (12↓, 45↑ TCP MSS/op)
Test duration: 10.0057 s.
$ tcpkali 0.0.0.0:2112 -m 'hello world' -c 100 -T 60s
Destination: [0.0.0.0]:2112
Interface lo address [127.0.0.1]:0
Using interface lo to connect to [0.0.0.0]:2112
Ramped up to 100 connections.
Total data sent: 732588.7 MiB (768174895818 bytes)
Total data received: 732970.0 MiB (768574744829 bytes)
Bandwidth per channel: 2048.668⇅ Mbps (256083.5 kBps)
Aggregate bandwidth: 102460.033↓, 102406.729↑ Mbps
Packet rate estimate: 9382573.9↓, 8789371.8↑ (12↓, 45↑ TCP MSS/op)
Test duration: 60.0097 s.
Rust 1k buffer:
$ tcpkali 0.0.0.0:2112 -m 'hello world' -c 100 -T 10s
Destination: [0.0.0.0]:2112
Interface lo address [127.0.0.1]:0
Using interface lo to connect to [0.0.0.0]:2112
Ramped up to 100 connections.
Total data sent: 99750.5 MiB (104595960942 bytes)
Total data received: 99732.7 MiB (104577365192 bytes)
Bandwidth per channel: 1672.325⇅ Mbps (209040.6 kBps)
Aggregate bandwidth: 83608.822↓, 83623.689↑ Mbps
Packet rate estimate: 7753020.2↓, 7177259.8↑ (11↓, 45↑ TCP MSS/op)
Test duration: 10.0063 s.
$ tcpkali 0.0.0.0:2112 -m 'hello world' -c 100 -T 60s
Destination: [0.0.0.0]:2112
Interface lo address [127.0.0.1]:0
Using interface lo to connect to [0.0.0.0]:2112
Ramped up to 100 connections.
Total data sent: 594277.5 MiB (623145134700 bytes)
Total data received: 594191.9 MiB (623055404835 bytes)
Bandwidth per channel: 1661.514⇅ Mbps (207689.2 kBps)
Aggregate bandwidth: 83069.699↓, 83081.663↑ Mbps
Packet rate estimate: 7458320.7↓, 7130738.7↑ (11↓, 45↑ TCP MSS/op)
Test duration: 60.0031 s
Rust 8k buffer:
$ tcpkali 0.0.0.0:2112 -m 'hello world' -c 100 -T 10s
Destination: [0.0.0.0]:2112
Interface lo address [127.0.0.1]:0
Using interface lo to connect to [0.0.0.0]:2112
Ramped up to 100 connections.
Total data sent: 135182.8 MiB (141749453142 bytes)
Total data received: 135058.4 MiB (141618995622 bytes)
Bandwidth per channel: 2242.304⇅ Mbps (280288.0 kBps)
Aggregate bandwidth: 113184.217↓, 113288.481↑ Mbps
Packet rate estimate: 9691224.9↓, 9723331.6↑ (11↓, 45↑ TCP MSS/op)
Test duration: 10.0098 s.
$ tcpkali 0.0.0.0:2112 -m 'hello world' -c 100 -T 60s
Destination: [0.0.0.0]:2112
Interface lo address [127.0.0.1]:0
Using interface lo to connect to [0.0.0.0]:2112
Ramped up to 100 connections.
Total data sent: 852919.8 MiB (894351274938 bytes)
Total data received: 853436.8 MiB (894893396951 bytes)
Bandwidth per channel: 2385.639⇅ Mbps (298204.9 kBps)
Aggregate bandwidth: 119318.104↓, 119245.822↑ Mbps
Packet rate estimate: 10313346.7↓, 10234638.6↑ (11↓, 45↑ TCP MSS/op)
Test duration: 60.0005 s.
Rust 16k buffer:
$ tcpkali 0.0.0.0:2112 -m 'hello world' -c 100 -T 10s
Destination: [0.0.0.0]:2112
Interface lo address [127.0.0.1]:0
Using interface lo to connect to [0.0.0.0]:2112
Ramped up to 100 connections.
Total data sent: 126585.1 MiB (132734111400 bytes)
Total data received: 126354.3 MiB (132492135025 bytes)
Bandwidth per channel: 2121.545⇅ Mbps (265193.1 kBps)
Aggregate bandwidth: 105980.473↓, 106174.030↑ Mbps
Packet rate estimate: 9740381.2↓, 9112712.0↑ (12↓, 45↑ TCP MSS/op)
Test duration: 10.0012 s.
$ tcpkali 0.0.0.0:2112 -m 'hello world' -c 100 -T 60s
Destination: [0.0.0.0]:2112
Interface lo address [127.0.0.1]:0
Using interface lo to connect to [0.0.0.0]:2112
Ramped up to 100 connections.
Total data sent: 785845.9 MiB (824019170238 bytes)
Total data received: 786048.4 MiB (824231502512 bytes)
Bandwidth per channel: 2197.390⇅ Mbps (274673.8 kBps)
Aggregate bandwidth: 109883.670↓, 109855.363↑ Mbps
Packet rate estimate: 10136131.0↓, 9428673.7↑ (12↓, 45↑ TCP MSS/op)
Test duration: 60.0076 s.