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<title>faeval.git/experiments/cifar_deltaL_test.py, branch master</title>
<subtitle>Unnamed repository; edit this file 'description' to name the repository.
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<link rel='alternate' type='text/html' href='https://git.blackhao.com/faeval.git/'/>
<entry>
<title>Add CIFAR deltaL test (failed) and pivot design memo</title>
<updated>2026-03-24T06:44:34+00:00</updated>
<author>
<name>YurenHao0426</name>
<email>Blackhao0426@gmail.com</email>
</author>
<published>2026-03-24T06:44:34+00:00</published>
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- CIFAR deltaL: s=grad_hL CE (dim=512) -&gt; acc=17.2%, Gamma≈0
  Confirms scalar value field has dimensionality bottleneck on CIFAR
- Pivot memo: direct vector credit field a_phi(h,t,s) -&gt; R^d
  Trained with perturbation-based target, avoids curvature problem
  Still satisfies no hidden BP anchor constraint

Co-Authored-By: Claude Opus 4.6 (1M context) &lt;noreply@anthropic.com&gt;
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- CIFAR deltaL: s=grad_hL CE (dim=512) -&gt; acc=17.2%, Gamma≈0
  Confirms scalar value field has dimensionality bottleneck on CIFAR
- Pivot memo: direct vector credit field a_phi(h,t,s) -&gt; R^d
  Trained with perturbation-based target, avoids curvature problem
  Still satisfies no hidden BP anchor constraint

Co-Authored-By: Claude Opus 4.6 (1M context) &lt;noreply@anthropic.com&gt;
</pre>
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