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Copilot AI commented Dec 4, 2025

  • Identify all i25dst*F files in the repository
  • Analyze code structure and identify optimization opportunities
  • Replace hand-coded normalization with optimized patterns
  • Optimize i25dst3_1.F: 4 normalization sites
  • Optimize i25dst3_21.F: 4 normalization sites
  • Optimize i25dst3_3.F: 1 normalization site
  • Optimize i25dst3_22.F: 4 normalization sites
  • Optimize i25dst3_e2s.F: 4 normalization sites
  • Test and validate changes
Original prompt

Can you have a look at i25dst*F files?
I would like to look for optimization opportunities. In particular by using intrinsic fuctions instead of home made code snippet, and array operations instead of hand-made loops.


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Copilot AI and others added 8 commits November 27, 2025 22:55
* Initial plan

* Fix MPI type inconsistencies in SPMD wrapper functions

Co-authored-by: laurent-altr <[email protected]>

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Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: laurent-altr <[email protected]>
…#112)

* Initial plan

* Fix spmd_wait intent: change request from intent(in) to intent(inout)

Co-authored-by: laurent-altr <[email protected]>

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Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: laurent-altr <[email protected]>
* Initial plan

* Clean up spmd_wait.F90 - remove duplicate separator lines

Co-authored-by: laurent-altr <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: laurent-altr <[email protected]>
* Initial plan

* Fix 2D array dimension mismatch in spmd_send.F90

Co-authored-by: laurent-altr <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: laurent-altr <[email protected]>
#118)

* Initial plan

* Add missing non-MPI fallback paths for scalar allgatherv functions

Co-authored-by: laurent-altr <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: laurent-altr <[email protected]>
* Initial plan

* Fix 2D array dimension ordering in spmd_recv.F90 to match spmd_send.F90

Co-authored-by: laurent-altr <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: laurent-altr <[email protected]>
* Initial plan

* Fix inconsistent local variable declarations in spmd_*pack.F90

Co-authored-by: laurent-altr <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: laurent-altr <[email protected]>
- Replace continuation line patterns with inline expressions for better compiler optimization
- Precompute squared norms before taking square roots and inversions
- Add comments to clarify optimization intent
- Affected files: i25dst3_1.F, i25dst3_21.F, i25dst3_3.F, i25dst3_22.F, i25dst3_e2s.F

Co-authored-by: laurent-altr <[email protected]>
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2 participants