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(Towards #2381 #2674) generalise GH_SUM Kernel metadata to GH_REDUCTION and begin support for new min/max LFRic builtins #3263

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sergisiso merged 72 commits into from
Jan 22, 2026
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(Towards #2381 #2674) generalise GH_SUM Kernel metadata to GH_REDUCTION and begin support for new min/max LFRic builtins #3263

sergisiso merged 72 commits into from
Jan 22, 2026
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@arporter arporter commented Dec 18, 2025 •
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This is a step towards both #2381 (generalising global reductions) and #2674 (new field_min_max builtin). It attempts to reduce the size of #3222 by only adding the two new access types for reductions as well as the skeletons for the new builtins.

arporter and others added 30 commits October 3, 2025 21:56
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#2381 add initial GlobalReduction class
c871676
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#2381 linting
b0c458c
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#2381 mv LFRicGlobalSum out of lfric.py and rename
0d5dadf
@arporter
#2381 fix linting
6856abd
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#2381 ensure any pre-existing Config is wiped by test fixture
279ec53
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#2381 WIP fixing/moving tests [skip ci]
4a2f3d4
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#2381 fix all tests
9eb6784
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#2381 tidy and improve tests
5921958
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Merge branch 'master' into 2381_arp_global_reduction
de51056
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#2381 get full unit coverage for global_reduction
49b856b
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Merge branch 'master' into 2381_arp_global_reduction
6aa870c
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#2381 update from global sum to global reduction
355a900
@arporter
#2381 fix linting
88956f8
@arporter
#2381 tidy test file
488d0a5
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Merge branch 'master' into 2381_arp_global_reduction
c27c9ab
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Merge branch '2381_arp_global_reduction' of github.com:stfc/PSyclone …
7fe581b 
…into 2381_arp_global_reduction
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Merge branch 'master' into 2381_arp_global_reduction
5b4d364
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Merge branch '2381_arp_global_reduction' of github.com:stfc/PSyclone …
faa440b 
…into 2381_arp_global_reduction
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#2381 update docs
d26c56c
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Merge branch 'master' into 2381_arp_global_reduction
ae2fb6d
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Merge branch 'master' into 2381_arp_global_reduction
c6d6366
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#2381 rejig class hierarchy
226cfeb
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#2381 start adding an LFRicGlobalMin to test new structure
134954d
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#2381 tidy for lint
72dd101
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Merge branch 'master' into 2381_no_domain_global_reduction
cf9c5c3
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Merge branch 'master' into 2381_no_domain_global_reduction
fead32a
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#2381 WIP updating lower_to_language_level [skip-ci]
5a0654a
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Merge branch 'master' into 2381_no_domain_global_reduction
eee9422
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#2381 flesh out LFRicGlobalMin
9fc397b
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#2381 make dag_name more general
0523346
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arporter commented Jan 20, 2026

This is ready for another look now @sergisiso.

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sergisiso requested changes Jan 21, 2026
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@arporter Can you also update the title, are any of the issues now ready to close?

@arporter arporter changed the title (Towards #2381 #2674) add min max access types and new LFRic builtins (Towards #2381 #2674) generalise GH_SUM to GH_REDUCTION and begin support for new min/max LFRic builtins Jan 22, 2026
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arporter commented Jan 22, 2026

I've updated the title. Unfortunately this won't close any tickets yet (as it doesn't actually touch the global-sum/reduction functionality).

@arporter arporter changed the title (Towards #2381 #2674) generalise GH_SUM to GH_REDUCTION and begin support for new min/max LFRic builtins (Towards #2381 #2674) generalise GH_SUM Kernel metadata to GH_REDUCTION and begin support for new min/max LFRic builtins Jan 22, 2026
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arporter commented Jan 22, 2026

Ready for another look/further discussion now @sergisiso.

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sergisiso approved these changes Jan 22, 2026
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Thanks for all the changes @arporter , I triggered the IT once more to be cautions but I don't expect any problem since this is still not used in LFRic (as its not finished for DM). I will merge if all comes green.

@sergisiso sergisiso merged commit 152a9c3 into master Jan 22, 2026
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@sergisiso sergisiso deleted the 2381_min_max_builtins branch January 22, 2026 13:27
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