Skip all entries (per file) at once, not one at a time.

[wmtan]

This is a performance improvements to the implementation of the skipEvents parameter in sequential (AKA deterministic) mode for the secondary input source. The prior implementation skipped one event at a time. The improved implementation skips all events to be skipped, per file, all at once.

[cmsbuild]

A new Pull Request was created by @wmtan for CMSSW_7_5_X.

Skip all entries (per file) at once, not one at a time.

It involves the following packages:

IOPool/Input

@cmsbuild, @Dr15Jones, @nclopezo can you please review it and eventually sign? Thanks.
@wddgit this is something you requested to watch as well.
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@nclopezo you are the release manager for this.
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[Dr15Jones]

please test

[Dr15Jones]

+1

[cmsbuild]

The tests are being triggered in jenkins.

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_5_X IBs unless changes or unless it breaks tests. This pull request requires discussion in the ORP meeting before it's merged. @davidlange6, @nclopezo, @smuzaffar

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_5_X IBs unless changes or unless it breaks tests. This pull request requires discussion in the ORP meeting before it's merged. @davidlange6, @nclopezo, @smuzaffar

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_5_X IBs unless changes (tests are also fine). This pull request requires discussion in the ORP meeting before it's merged. @davidlange6, @nclopezo, @smuzaffar

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-9163/4821/summary.html

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_5_X IBs unless changes (tests are also fine). This pull request requires discussion in the ORP meeting before it's merged. @davidlange6, @nclopezo, @smuzaffar

[davidlange6]

+1