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Slhc4 reduce tracking particle footprint #1451

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davidlange6
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Reduce tracking particle collection memory footprint by about factor of 4 - important at high pileup. Use only -5,3 bunch crossings and remove memory copy (both are config parameters)

@cmsbuild
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This pull request is fully signed and it will be integrated in one of the next IBs unless changes or unless it breaks tests. @davidlange6 can you please take care of it?

@nclopezo
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Request for 6_2_0_SLHC4, tested with
runTheMatrix.py -j 6 -w upgrade -l 3300,3400,4100,4400,4502,4500,5001,15001

nclopezo added a commit that referenced this pull request Nov 18, 2013
Slhc4 reduce tracking particle footprint
@nclopezo nclopezo merged commit ce928da into cms-sw:CMSSW_6_2_X_SLHC Nov 18, 2013
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3 participants