docs: dumbridge 0.3.0 relay throughput benchmark report

[faw01]

Summary

Measurement-only benchmark of dumbridge@0.3.0 pull throughput from a cloud agent against an operator Mac serving five random-byte payloads.

• Path observed on every trial: dumbridge: connected via relay (never upgraded to direct)
• Warm global binary used (bun add -g); net times subtract FLOOR_WARM = 254 ms
• All completed transfers matched manifest size + SHA-256
• Peak measured rate: 3.42 MiB/s on the 1 GiB pull (~299 s net)

Full tables, raw per-trial timings, and analysis are in bench-scratch/DUMBRIDGE_0.3.0_THROUGHPUT_REPORT.md.

Headline numbers (relay)

Payload	Median wall	Net (−254 ms)	MiB/s
1 KiB	2240 ms	1986 ms	0.0005
1 MiB	4276 ms	4022 ms	0.25
10 MiB	6863 ms	6609 ms	1.51
100 MiB	32790 ms	32536 ms	3.07
1 GiB	299250 ms	298996 ms	3.42

run 'echo x' median net RTT ≈ 2003 ms (same ballpark as 1 KiB pull).

  

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