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In the table below 4.Equ means Equations and Algorithms, 5.Ver means Verification, 6.Perf - Performance, 7. Val - Validation, - competed,
- in progress,
- not done
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OpenMP threading in MPAS-Ocean
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Requirements
Requirement: bit-for-bit
Date last modified: September 25, 2015
Contributors: Doug Jacobsen (Unlicensed)
Regardless of whether decomposition is flat MPI or hybrid MPI/OpenMP, simulation results are bit-for-bit identical.
Algorithmic Formulations
Design solution: element-based OpenMP
Date last modified: September 26, 2015
Contributors: Doug Jacobsen (Unlicensed)
After scoping and prototyping several different approaches, the algorithmic approach will employ loop-by-loop OpenMP directives.
Design and Implementation
Implementation: element-based OpenMP
Date last modified: September 26, 2015
Contributors: Doug Jacobsen (Unlicensed)
Planned Verification and Unit Testing
Verification and Unit Testing: short-desciption-of-testing-here
Date last modified: September 26, 2015
Contributors: Doug Jacobsen (Unlicensed)
Since we require bit-for-bit, verification is straightforward. We will verify bit-for-bit across the full suite of MPAS-Ocean test cases.
Planned Validation Testing
Validation Testing: short-desciption-of-testing-here
Date last modified: September 26, 2015
Contributors: Doug Jacobsen (Unlicensed)
Since we require bit-for-bit, validation is not a part of this process.
Planned Performance Testing
Performance Testing: short-desciption-of-testing-here
Date last modified: September 26, 2015
Contributors: Doug Jacobsen (Unlicensed)
Performance evaluation will be carried out on (at a minimum) Edison and Mira. On both platforms, we will evaluate performance across a broad range of thread-per-MPI task. An example of our testing can be found in the file below. This testing will be conducted again at completion of the implementation.
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