Joris Van Remoortere created MESOS-2126:
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Summary: Libprocess Future: Improve performance, List instead of
Queue
Key: MESOS-2126
URL: https://issues.apache.org/jira/browse/MESOS-2126
Project: Mesos
Issue Type: Improvement
Components: libprocess
Reporter: Joris Van Remoortere
Assignee: Joris Van Remoortere
std::queue does dynamic allocation upon construction.
std::list does dynamic allocation upon insertion.
Since Future's Data structure currently aggregates 5 queues, this implies a lot
of dynamic allocation upon construction of a future. In crucial paths we tend
not to use most of these queues, meaning the allocations were of no benefit.
If we replace std::queue with std::list then we pay per use, which in most
cases, and definitely in crucial paths, reduces dynamic allocation and improves
performance.
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