[Algs] replace a allgather by work duplication

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Workflow report

workflow report corresponding to commit 8efac00
Commiter email is timothee.davidcleris@proton.me
GitHub page artifact URL GitHub page artifact link (can expire)

Pre-commit check report

Pre-commit check: ✅

trim trailing whitespace.................................................Passed
fix end of files.........................................................Passed
check for merge conflicts................................................Passed
check that executables have shebangs.....................................Passed
check that scripts with shebangs are executable..........................Passed
check for added large files..............................................Passed
check for case conflicts.................................................Passed
check for broken symlinks............................(no files to check)Skipped
check yaml...............................................................Passed
detect private key.......................................................Passed
No-tabs checker..........................................................Passed
Tabs remover.............................................................Passed
Validate GitHub Workflows................................................Passed
clang-format.............................................................Passed
black....................................................................Passed
ruff check...............................................................Passed
Check doxygen headers....................................................Passed
Check license headers....................................................Passed
Check #pragma once.......................................................Passed
Check SYCL #include......................................................Passed
No ssh in git submodules remote..........................................Passed

Test pipeline can run.

Clang-tidy diff report

No relevant changes found.
Well done!

You should now go back to your normal life and enjoy a hopefully sunny day while waiting for the review.

Doxygen diff with main

Removed warnings : 1
New warnings : 1
Warnings count : 6790 → 6790 (0.0%)

Detailed changes :

+ src/shamalgs/include/shamalgs/collective/exchanges.hpp:144: warning: Member vector_allgatherv(const std::vector< T > &send_vec, std::vector< T > &recv_vec, const MPI_Comm comm) (function) of namespace shamalgs::collective is not documented.
- src/shamalgs/include/shamalgs/collective/exchanges.hpp:158: warning: Member vector_allgatherv(const std::vector< T > &send_vec, std::vector< T > &recv_vec, const MPI_Comm comm) (function) of namespace shamalgs::collective is not documented.