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IDProjectCategoryView StatusLast Update
0004120OpenFOAMBugpublic2024-07-31 18:45
ReporterNicolasDelaisse Assigned Tohenry  
PrioritynormalSeveritymajorReproducibilityalways
Status closedResolutionno change required 
PlatformLinuxOSRed Hat Enterprise OS Version8
Product Version11 
Summary0004120: Solution to differences in solution and effects of the partitioning for different versions
DescriptionMy apologies for creating a new issue, but I wanted to share the solution we found to the issue raised earlier: https://bugs.openfoam.org/view.php?id=4076.

In brief, this issue concerned (slightly) different results of version 10 and 11 compared to older versions (8 and 9) and dependency of these results on the partitioning.
The problem was solved by avoiding the use of the -ftree-vectorize compiler option.
More details can be found here: https://github.com/easybuilders/easybuild-easyconfigs/issues/20927
Steps To ReproduceEither with the files in the earlier issue https://bugs.openfoam.org/view.php?id=4076 or with this fast-running test (order of 1 minute) with an numerical outcome that can be easily used for comparison: https://github.com/user-attachments/files/16109288/GitHub_reproducer.tar.gz
Instructions on how to use the test and interpret the results are given in the README.
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Issue History

Date Modified Username Field Change
2024-07-30 08:46 NicolasDelaisse New Issue
2024-07-31 18:45 henry Assigned To => henry
2024-07-31 18:45 henry Status new => closed
2024-07-31 18:45 henry Resolution open => no change required