Use initial-exec as threading model for G4(MT) mode #1258
Merged
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There is a performance problem with
global-dynamic
as reported in https://alice.its.cern.ch/jira/browse/O2-172 andinitial-exec
is the suggested and working solution.Note that this change does not affect any production as it will only take effect when MT is enabled (which is not the case by default yet).