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ahumphrey 2016-06-07 09:19 Rev.: 55420

Removal of src/Core/Thread and related refactoring throughout the code-base.

This is the first step in a series of infrastrucutre overhauls to modernize Uintah. Though this all passes local RT (both CPU and GPU tests), I expect some fallout we haven't considered and will be standing by to deal with any issues. Once the dust settles, we will move to replacing Core/Malloc with jemalloc.

* We are now using the standard library for all multi-threading needs within the infrastructure, e.g. std::atomic, std::thread, std::mutex, etc.

* The Unified Scheduler is now the only multi-threaded scheduler, e.g. ThreadedMPIScheduler no longer exists (though the source will soon be placed into an attic).

* Threads spawned by the Unified Scheduler are detached by default (not joinable), allowing for easy, clean and independent execution. There are no longer ConditionVariables used to signal worker threads, just a simple enum for thread-state.

* What was Core/Thread/Time.* is now Core/Util/Time.* - a next step will be to migrate all internal timers, etc to use std::chrono.

* NOTE: Though much cleanup has occurred with this commit, there is still significant cleanup and formatting to be done. The scope of this commit neccessitates a more incremental approach.

0 lines of code changed in 4 files:

• testprograms/Thread: bps.cc (del), parallel.cc (del), sub.mk (del), threadexit.cc (del)

jas 2016-03-15 18:24 Rev.: 55024

Move non-conflicting classes that were in SCIRun namespace to Uintah namespace.

24 lines of code changed in 6 files:

• testprograms/Thread: bps.cc (+4 -4), parallel.cc (+4 -4), threadexit.cc (new)

jas 2016-01-08 15:45 Rev.: 54640

Update copyright date to 2016.

4 lines of code changed in 5 files:

• testprograms/Thread: bps.cc (+1 -1), parallel.cc (+1 -1), sub.mk (+1 -1), threadexit.cc (+1 -1)