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<title>ept.git/ep_run/psgd_vendor.py, branch master</title>
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<title>PSGD-QUAD入列: vendor psgd.py + Optimizer子类适配器(合成损失closure桥接EP预填梯度), 13路全量回归冒烟PASS</title>
<updated>2026-08-06T00:14:33+00:00</updated>
<author>
<name>Yuren Hao</name>
<email>yurenh2@illinois.edu</email>
</author>
<published>2026-08-06T00:14:33+00:00</published>
<link rel='alternate' type='text/html' href='https://git.blackhao.com/ept.git/commit/?id=2de7789ecf05eba74cc52dbd5f4d8298e4084e50'/>
<id>2de7789ecf05eba74cc52dbd5f4d8298e4084e50</id>
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修复过程记录: 首版适配器非Optimizer子类被LambdaLR拒; 重写时splice错序造成muon.py重复段
(旧类后定义胜出), 按结构图手术去重并断言全符号在位。三轴定位: GPU配方候选(追踪慢变统计=
R4幸存哲学+噪声鲁棒卖点), 硬件不合适(d²记忆), 偏置公理最差档(逐方向白化放大低方差偏置)。

Co-Authored-By: Claude Fable 5 &lt;noreply@anthropic.com&gt;
Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
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修复过程记录: 首版适配器非Optimizer子类被LambdaLR拒; 重写时splice错序造成muon.py重复段
(旧类后定义胜出), 按结构图手术去重并断言全符号在位。三轴定位: GPU配方候选(追踪慢变统计=
R4幸存哲学+噪声鲁棒卖点), 硬件不合适(d²记忆), 偏置公理最差档(逐方向白化放大低方差偏置)。

Co-Authored-By: Claude Fable 5 &lt;noreply@anthropic.com&gt;
Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
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