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Exploit symmetry in the Hessian - #844

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devmotion/symmetric-hessian

Commits on Aug 16, 2026
- exploit symmetry in the hessian
  KristofferC
  committed
  0091edd
Commits on Aug 17, 2026
- Address symmetric Hessian review feedback
  KristofferC
  committed
  0c04e90
Commits on Aug 31, 2026
- Merge #837, KristofferC's symmetric Hessian sweep
  devmotion
  committed
  ee2cc8c
- Hold in the Hessian config what the symmetric sweep reads
  
  devmotion
  and
  claude
  committed
  e6c6a45
- Read the same triangle at every chunk size
  
  devmotion
  and
  claude
  committed
  5d1d475
- Build only the zero a layer needs, and cover the paths left untested
  
  devmotion
  and
  claude
  committed
  705e7b1
- Index the Hessian by the linear indices of `x`
  
  devmotion
  and
  claude
  committed
  907ccd1
- Restore the result shape check dropped with `extract_jacobian!`
  
  devmotion
  and
  claude
  committed
  90d9496
- Cover the two error paths Codecov flagged, and pin the messages
  devmotion
  committed
  8070750
- Check the Hessian gradient buffer, not only the Hessian
  
  devmotion
  and
  claude
  committed
  2f11c0b
- Build the triangular position vector at its final size
  
  devmotion
  and
  claude
  committed
  2ef622c
- Give the structured Hessian testset a reference that can fail
  
  devmotion
  and
  claude
  committed
  40c2e09
- Guard the allocation-free `hessian!`, and rename the seeding testset
  
  devmotion
  and
  claude
  committed
  30f6c69
Commits on Sep 1, 2026
- Give the Hessian's two dual layers distinct tags
  
  devmotion
  and
  claude
  committed
  b42dca2

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Exploit symmetry in the Hessian - #844

Exploit symmetry in the Hessian#844
devmotion wants to merge 14 commits into
masterfrom
devmotion/symmetric-hessian

Commits on Aug 16, 2026

exploit symmetry in the hessian

Commits on Aug 17, 2026

Address symmetric Hessian review feedback

Commits on Aug 31, 2026

Merge #837, KristofferC's symmetric Hessian sweep

Hold in the Hessian config what the symmetric sweep reads

Read the same triangle at every chunk size

Build only the zero a layer needs, and cover the paths left untested

Index the Hessian by the linear indices of `x`

Restore the result shape check dropped with `extract_jacobian!`

Cover the two error paths Codecov flagged, and pin the messages

Check the Hessian gradient buffer, not only the Hessian

Build the triangular position vector at its final size

Give the structured Hessian testset a reference that can fail

Guard the allocation-free `hessian!`, and rename the seeding testset

Commits on Sep 1, 2026

Give the Hessian's two dual layers distinct tags