Files
soulseek-rs-modded/benchmarks/stress-baseline.json
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Michel de Graaf 7435d48b32 perf: raise transfer defaults and stop uploads sleeping on their slot
The slot cap merged from master defaults to 2 uploads, and the CLI capped
downloads at 5. Those are the numbers you pick when your own bandwidth is the
scarce resource, but a Soulseek transfer is paced by the peer on the other end
— usually a few hundred KiB/s — so what fills a modern link is many transfers
at once, not faster ones. Upload slots go to 10, downloads to 20. The queue
itself stays: privileged users being able to jump it is a condition of being a
tolerated third-party client.

serve_file also slept half a second after the last byte so the downloader could
drain before the socket closed. With a cap that is time no other peer can use,
and 64 uploads over 10 slots paid it six times over. A half-close says "that is
the whole file" and TCP still delivers everything written before the FIN.

Measured with 64 waiting peers: 2 slots 24.2s, 8 slots 6.2s, 32 slots 3.1s; at
10 slots the linger alone was 5.4s to 3.05s.
2026-07-26 18:25:50 +02:00

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JSON

{
"score": 97.78,
"parts": {
"downloads": 1.0000,
"uploads": 1.0000,
"searches": 1.0000,
"browses": 1.0000,
"throughput": 0.8522
},
"load": {
"peers": 1024,
"searches": 128,
"downloads": 512,
"leechers": 256,
"browses": 128,
"file_bytes": 4194304
},
"observed": {
"downloads_completed": 512,
"uploads_completed": 256,
"bytes": 3221225472
}
}