Remove MPI static globals #4858
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bmwiedemann
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https://build.opensuse.org/request/show/1144047 by user cjunghans + anag+factory - Fix undefined behavior due to improper handling of MPI static globals - Add mpi.patch to remove MPI globals (gh#espressomd/espresso#4858)
bmwiedemann
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https://build.opensuse.org/request/show/1144047 by user cjunghans + anag+factory - Fix undefined behavior due to improper handling of MPI static globals - Add mpi.patch to remove MPI globals (gh#espressomd/espresso#4858)
bmwiedemann
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Feb 7, 2024
https://build.opensuse.org/request/show/1144047 by user cjunghans + anag+factory - Fix undefined behavior due to improper handling of MPI static globals - Add mpi.patch to remove MPI globals (gh#espressomd/espresso#4858)
This reverts commit f4590fd.
All MPI-related static global variables were removed, replaced by non-owning pointers, or replaced by owning pointers that are reset at normal program termination. Objects that need a MPI environment during destruction (FFT MPI plans, parallel file writers, etc.) now keep a shared pointer to the MPI environment. MpiCallbacks unit tests now call `MpiCallbacks::loop()` on worker nodes to avoid a non-empty receive queue at destruction of the MPI environment (fatal error in MPICH 4.1+).
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Bugfix backported to 4.2.1 and submitted to stable by Bohdi as espresso-4.2.1-11.fc41. |
reinaual
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Feb 29, 2024
jngrad
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Feb 29, 2024
Fixes espressomd#4856 Description of changes: - fix multiple bugs caused by undefined behavior due to the static initialization order of MPI global objects - ESPResSo is now compatible with Boost 1.84+
jngrad
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Feb 29, 2024
Fixes espressomd#4856 Description of changes: - fix multiple bugs caused by undefined behavior due to the static initialization order of MPI global objects - ESPResSo is now compatible with Boost 1.84+
jngrad
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Feb 29, 2024
Fixes espressomd#4856 Description of changes: - fix multiple bugs caused by undefined behavior due to the static initialization order of MPI global objects - ESPResSo is now compatible with Boost 1.84+
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Fixes #4856
Description of changes: