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Rerun the five-harness screen on the 0.7.0 daemon - #461

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Oct 30, 2026
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@lydakis lydakis commented Oct 30, 2026

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Requested by George · project thread

Docs only. The README's "How fast is it?" table, the EVIDENCE.md bullet and HARNESS_MEASUREMENTS.md now come from a rerun of the five-harness screen at main 2182b4a, after tonight's daemon and performance PRs (#425, #434, #436, #447, #450, #458, #460 and the rest). Every harness was rerun on the same 4-vCPU Linux VM kind and the same pinned versions as the 2026-10-28 screen (Pi 0.85.1, Codex 0.153.1, opencode 1.18.32, Claude Code 2.1.267).

32 agents, 64 KiB per turn, medians of three runs:

Harness Peak memory CPU Turn p99 Before (10-28)
Agent 28.9 MiB 0.65 s 599 ms 28.7 MiB, 0.69 s, 608 ms
Pi 172 MiB 1.76 s 773 ms 159 MiB, 1.94 s
Codex 301 MiB 35.5 s 8,959 ms* 246 MiB, 40.1 s
opencode 991 MiB 19.8 s 4,694 ms 958 MiB, 24.7 s
Claude Code 7,348 MiB 32.7 s 2,751 ms* 6,490 MiB, 42.4 s

* below the configured concurrency (Codex 8–10, Claude Code 26–31 of 32).

  • Agent is unchanged within drift: the night's queue, fairness and approval work cost nothing measurable on this workload.
  • The other engines' binaries didn't change, yet a trial on 759c0db 90 minutes earlier had Pi 155, Codex 247 and Claude Code 6,577 MiB. That is host drift of up to about 20%, so the README and HARNESS_MEASUREMENTS.md now say to compare within one screen, not across screens. The 10-28 table is kept in HARNESS_MEASUREMENTS.md as the previous screen.
  • The matrix stops when compare refuses an engine below its concurrency (this time Codex at 8 agents with 64 KiB), so the c32 cases were run by hand with the matrix's own bench run flags and engine order, as the 10-28 screen did for its last case.

Not rerun: the September live fleet check (real providers) and the Pi Durable lifecycle comparison.


Generated by Claude Code

The README's comparison table, EVIDENCE.md and HARNESS_MEASUREMENTS.md now
come from a 2026-10-30 rerun at main 2182b4a, after the night's daemon and
performance changes, with every harness rerun on the same host kind and the
same pinned versions. Agent's top case is unchanged within drift (28.9 MiB,
0.65 s CPU, 599 ms turn p99 against 28.7 MiB, 0.69 s and 608 ms on
10-28). The other engines' binaries did not change, yet moved by up to about
20% between a trial run and the final one an hour and a half apart, so the
docs now say to compare harnesses within one screen. The 10-28 table is kept
as the previous screen.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013jkdGF8c2soAtTDhmz5uha
@lydakis lydakis self-assigned this Oct 30, 2026
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📝 Code Review ✅ Completed 2026-10-30T08:21:54.056539Z 9594d93 PR opened
🔒 Security Review ✅ Completed 2026-10-30T08:22:07.577041Z 9594d93 PR opened
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@lydakis
lydakis merged commit 6535850 into main Oct 30, 2026
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@lydakis lydakis mentioned this pull request Oct 30, 2026
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2 participants