[PWGHF] TrackIndexSkimCreator: hoist collision-invariant slices out of the 2/3-prong loops#16666
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@vkucera improved. Actual validation of the code done at https://alimonitor.cern.ch/hyperloop/view-wagon/57243/test-statistics |
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I think you confused it with another PR. |
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yes, indeed. |
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The description was meant for #16663 |
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In run2And3Prongs the negative-track index slice was rebuilt inside the positive-track loop, and the D* soft-pion slices inside the (pos,neg) pair body, though all three depend only on the collision. Hoist the neg-track slice to collision scope, and lazily materialize the soft-pion slices once per collision via std::optional. Pure loop-invariant code motion.