38 lines
1.3 KiB
Markdown
38 lines
1.3 KiB
Markdown
# 🌊🌊🌊 Hochwasser 🌊🤽🌊
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Highly efficient client for [Pixelflut]:
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Faster than [sturmflut]!
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Can currently only send a single picture though.
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[pixelflut]: https://cccgoe.de/wiki/Pixelflut
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[sturmflut]: https://github.com/TobleMiner/sturmflut
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## benchmark
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The following benchmark was run on a max-spec X280 against version [d4c574b].
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I could not figure out what the performance bottleneck is, but it doesn't seem
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to be CPU limited, as turbo-boost doesn't kick in.
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To reproduce, run the following commands in separate shells:
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```sh
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iperf -s -p 1337
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go run main.go -image benchmark/test.png -connection 10
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```
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55 Gbps on average! 🌊🌊🌊
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[sturmflut] (`./sturmflut 127.0.0.1:1337 benchmark/test.png -t 10`, version `8ec6ee9`) managed to get 48 Gpbs throughput on this system.
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> Hint: Benchmarking throughput against the [pixelnuke][pixelflut_gh] server is
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pointless, as performance is then CPU-limited to ~1 Gbps by the server.
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Using [iperf] removes the server limitation.
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This also means that these metrics of several Gbps are far higher than
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realworld scenarios.
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[d4c574b]: https://github.com/SpeckiJ/Hochwasser/commit/d4c574be103a7bad69349f29402694f51058184c
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[pixelflut_gh]: https://github.com/defnull/pixelflut
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[iperf]: https://iperf.fr/
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