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From Benjamin Hindman <>
Subject Re: Review Request 60825: Performance optimizations for message passing.
Date Tue, 18 Jul 2017 22:22:44 GMT

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(Updated July 18, 2017, 10:22 p.m.)

Review request for mesos and Benjamin Mahler.

Summary (updated)

Performance optimizations for message passing.

Bugs: MESOS-7798

Repository: mesos

Description (updated)

Optimizations include:

* Factored out run queue and introduced lock free implementation. This
  also required adding the concept of an `epoch` to support proper
  settling and refactoring the increments/decrements of `running` to
  make it easier to reason about.

* Replaced the use of a condition variable (the `Gate`) with a

Diffs (updated)

  3rdparty/libprocess/ c2190b40b748c19a7db1605f69449cc59f95d1cb 
  3rdparty/libprocess/cmake/ProcessConfigure.cmake 2c46d43ed8418f128f12fad10151700611e81b1e

  3rdparty/libprocess/ cec01908db73418a549cd79d1d701a19dd623821 
  3rdparty/libprocess/src/CMakeLists.txt 670dc1510c0ca656abd7f7dfc781f799e54303ec 
  3rdparty/libprocess/src/concurrentqueue.hpp PRE-CREATION 
  3rdparty/libprocess/src/process.cpp 7ce6d2b13baa68906e091a95c0dd58ee1ca2bc7d 
  3rdparty/libprocess/src/run_queue.hpp PRE-CREATION 
  3rdparty/libprocess/src/semaphore.hpp PRE-CREATION 4d7c4a4679e5c624ee750226d542e0d8c228507a 




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Benjamin Hindman

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