leonarski_fandClaude Opus 5.5 6c8ead466a rugnux --af-model: molecular replacement faster - the score's scale fit on the GPU, the expected LLG gate, the serial parts side by side
The search was CPU-bound: on a 54-chain partial complex ~80% of all CPU samples were the score's
FitModelScale grid (and libm's exp under it), with the GPU busy 13 of 37 s.

- score_placement fits its scale on the GPU where its structure factors are made there
  (ModelScaleGPU's FitSolvent / Fit, as the rigid body already does); equal to rounding, the CPU
  build unchanged.
- A model whose expected log-likelihood gain (sum sigma_A^4 / 2, McCoy et al. 2017; sigma_A^2 the
  part of the scattering one copy is by Matthews, times Luzzati's D^2) is below 10 is not searched
  for. Over the 193-set survey the lowest eLLG of a placed model is 26; every PAE domain below 24
  placed nowhere, so no decision changes.
- The likelihood setups made where first needed, one serving both where the reflections are the same.
- After a candidate fails its null, the other placed candidates' nulls side by side.
- The first copy's placements refined side by side on an engine each; the groups' translation
  functions side by side; CopyFactors and KnownStructureFactors over threads; the further copies'
  CopyFactors and gains for the peaks walked all at once; the known-structure TF setup made while the
  first copy is refined. All exact.

Survey replay (193 sets): no decision changes; two R values differ in the 3rd decimal (GPU scale).
Alternating runs, MODEL_PRIOR_SECONDS base -> new: 54-chain complex 38.3 -> 14.7, 4mtk 18.3 -> 9.7,
9v16 13.7 -> 8.3 (shared machine, indicative).

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EizBKhTqrAYago9KJG3dA3
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Jungfraujoch

Application to receive and analyse data from the PSI JUNGFRAU and EIGER detectors, together with rugnux, its program for processing stored diffraction data - rotation and serial, macromolecular and small-molecule - from images to merged reflections.

All documentation is now placed in docs/ subdirectory and for the current version hosted on Jungfraujoch Read The Docs page.

S
Description
Jungfraujoch Data Acquisition System, Rugnux Data Processing Application, and Diffraction Viewer
Readme GPL-3.0
3 GiB
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