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  1. Nov 03, 2020
  2. Nov 02, 2020
  3. Nov 01, 2020
    • Bertrand Martin's avatar
      tauRec: thinning of CaloCalTopoClusters_links for tau clusters · fc99c7cc
      Bertrand Martin authored
      Hello,
      
      This MR adds the functionality to thin the CaloCalTopoClusters_links container and only keep the entries associated with tau clusters.
      This container is needed for the tau cluster-to-cell navigation in xAODs, but it too large to be written out without thinning.
      As discussed in ATLTAU-1733, the CaloClusterCellLinkContainer thinning was not supported so far, and Scott just implemented it (not merged yet).
      Once it's in Athena, the CaloCalTopoClusters_links size should be reduced significantly (I'm already adding the container to the xAOD output to minimise the number of MRs, so we expect a jump in xAOD size, ATLASRECTS-5684).
      According to q221 run on 40 events, thinning reduces the container size by a factor of 2.5 (3.0 kb/evt after thinning).
      
      Cheers,
      Bertrand
      fc99c7cc
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