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serving: a release carries its own attest wall-time budget; the 27B gets 2.0x - #1761

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anderdc merged 2 commits into
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serving/27b-attest-budget
Sep 8, 2026
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serving: a release carries its own attest wall-time budget; the 27B gets 2.0x#1761
anderdc merged 2 commits into
testfrom
serving/27b-attest-budget

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@anderdc anderdc commented Sep 8, 2026

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On mainnet 2026-09-08 our 27B card (UID 111) under 20+ concurrent gateway requests ran the attest GEMM chain at 1264–1280 ms against the reference's 740 ms (1.7×) and failed the 1.6× constant on ~1 round in 7 (19 of 127) while serving — and a failed attest zeroes that round's pay (one such round had 6,196 output tokens). Idle it reads 720–795 ms. The MoE's decode left the card idle enough for the chain to run at speed; a dense model saturates it.

attest.budget_ratio on the release now overrides SERVING_ATTEST_BUDGET_RATIO in judge(); the 27B release carries 2.0 with the measurement noted in the loadout. Constant unchanged for releases without one. Test added; 806 passed, lint clean.

Touches serving_loadout.json's attest block only, so it merges beside #1760 (which edits the audit block).

https://claude.ai/code/session_01VjhStJbNW6WzxucTcwuw4y

…ets 2.0x

On mainnet 2026-09-08 our 27B card under 20+ concurrent gateway requests
ran the attest GEMM chain at 1264-1280 ms against the reference's 740
(1.7x) and failed the 1.6x constant on about one round in seven while
serving thousands of tokens - a failed attest zeroes that round's pay.
Idle it reads 720-795 ms. The MoE's decode left the card idle enough for
the chain to run at speed; a dense model saturates it.

`attest.budget_ratio` on the release overrides SERVING_ATTEST_BUDGET_RATIO
in judge(); the 27B release carries 2.0 with the measurement noted.

Claude-Session: https://claude.ai/code/session_01VjhStJbNW6WzxucTcwuw4y
…dget

# Conflicts:
#	gittensor/validator/weights/serving_loadout.json
@anderdc
anderdc merged commit e1a307e into test Sep 8, 2026
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@anderdc
anderdc deleted the serving/27b-attest-budget branch September 8, 2026 14:31
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