Directory testprograms/SFCTest/

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ahumphrey 2016-06-21 13:57 Rev.: 55453

Redirect all MPI calls through the lightweight wrapper (header only)

This allows for standardized error checking and easy collection of runtime stats. All MPI funtions can be called from the wrapper by replacing:

MPI_ with Uintah::MPI::
e.g.
Uintah::MPI::Isend(...)
Uintah::MPI::Reduce(...)

Also enables MPI3 wrappers when MPI3 is available and protects against these when not. Will want MPI3 for non-blocking collectives. MPI3 is availalbe on Mira but not Titan yet.

* Note src/scripts/wrap_mpi_calls.sh has been added to the src tree. This has the sed foo to do this replacement src tree-wide.

* Have tested this with OpenMPI, MPICH, IntelMPI and also built on Titan and Mira.

6 lines of code changed in 2 files:

• testprograms/SFCTest: sfctest.cc (+6 -6)

ahumphrey 2016-06-14 21:26 Rev.: 55445

Revert -r55443, until folks can get compilers upgraded and buildbot MPI is updated.

6 lines of code changed in 1 file:

• testprograms/SFCTest: sfctest.cc (+6 -6)

ahumphrey 2016-06-14 13:47 Rev.: 55443

Redirect all MPI calls through the lightweight wrapper (header only)

This allows for standardized error checking and easy collection of runtime stats. All MPI funtions can be called from the wrapper by replacing:

MPI_ with Uintah::MPI::
e.g.
Uintah::MPI::Isend(...)
Uintah::MPI::Reduce(...)

Also enables MPI3 wrappers when MPI3 is available and protects against these when not. Will want MPI3 for non-blocking collectives. MPI3 is availalbe on Mira but not Titan yet.

* Note src/scripts/wrap_mpi_calls.sh has been added to the src tree. This has the sed foo to do this replacement src tree-wide.

* Have tested this with OpenMPI, MPICH, IntelMPI and also built on Titan and Mira.

6 lines of code changed in 1 file:

• testprograms/SFCTest: sfctest.cc (+6 -6)

ahumphrey 2016-06-10 12:31 Rev.: 55430

Revert r55429.

Still having an MPICH/OpenMPI compatibility problem.

6 lines of code changed in 1 file:

• testprograms/SFCTest: sfctest.cc (+6 -6)

ahumphrey 2016-06-10 11:38 Rev.: 55429

Redirect all MPI calls through the lightweight wrapper (header only)

This allows for standardized error checking and easy collection of runtime stats. All MPI funtions can be called from the wrapper by replacing:

MPI_ with Uintah::MPI::
e.g.
Uintah::MPI::Isend(...)
Uintah::MPI::Reduce(...)

Also enables MPI3 wrappers when MPI3 is available and protects against these when not. Will want MPI3 for non-blocking collectives. MPI3 is availalbe on Mira but not Titan yet.

* Note src/scripts/wrap_mpi_calls.sh has been added to the src tree. This has the sed foo to do this replacement src tree-wide.

6 lines of code changed in 1 file:

• testprograms/SFCTest: sfctest.cc (+6 -6)

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.

5 lines of code changed in 3 files:

• testprograms/SFCTest: sfctest.cc (+1 -1), sub.mk (new)

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

Update copyright date to 2016.

2 lines of code changed in 2 files:

• testprograms/SFCTest: sfctest.cc (+1 -1), sub.mk (+1 -1)