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decisions: the difference job makes no PSF-fit catalog for the naive subtraction (diff-trim) - #126

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Oct 25, 2026
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One decisions.md entry, decision-naive-no-psfcat, for rapid PR 446: the naive subtraction's Photutils PSF-fit catalogs are no longer made, a divergence from dev, which has no knob for them. Measured on the same bytes, RimTimSim F213 epoch 4571 (runs 122 and 124): the difference job takes 4,169 s before and 2,645 s after, and the rows are equal in every non-identity column but diffimages.checksum, whose file differs only in its header's job-id and timestamp cards. The measurements are in rapid PR 446's body.

Files: system/decisions.md.

🤖 Generated with Claude Code

…subtraction, an F213 difference 4,169 s -> 2,645 s on the same bytes (diff-trim)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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rusholme merged commit d416195 into main Oct 25, 2026
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rusholme deleted the diff-trim/1-decision branch October 26, 2026 04:27
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