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Reduce the fixed overhead of graded contractions - #289
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Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #289 +/- ##
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+ Coverage 85.57% 85.78% +0.20%
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Files 40 40
Lines 2815 2842 +27
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+ Hits 2409 2438 +29
+ Misses 406 404 -2
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Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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Summary
Speeds up contracting graded arrays, mostly where per-call overhead dominates (small blocks). Fermionic contractions now twist the operand that is already being copied, as TensorKit does, and several allocations on the contraction path are removed. Results are unchanged.