| 4 |
Notes on tags used in MITgcmUV |
Notes on tags used in MITgcmUV |
| 5 |
============================== |
============================== |
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o testreport (AD-tests): |
| 8 |
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no longer link files from dir "../input" (1rst link files from |
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"../input_ad.[xx]" if secondary test "xx" and then from "../input_ad") |
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checkpoint62f (2010/04/29) |
checkpoint62f (2010/04/29) |
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o model/src/the_main_loop.F: |
o model/src/the_main_loop.F: |
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adjust store directives for seaice evp and multicategory according to |
adjust store directives for seaice evp and multicategory according to |
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pkg/ecco/the_main_loop.F |
pkg/ecco/the_main_loop.F |
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o adjoint: |
o adjoint: |
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global_sum_ad was incomplete (noted many times by many people ;) |
global_sum_ad was incomplete (noted many times by many people ;) |
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nice description by Jean U. as follows: |
nice description by Jean U. as follows: |
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* allreduce(var) in global_sum.F can be interpreted as |
* allreduce(var) in global_sum.F can be interpreted as |
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reduce(sum) followed by broadcast of sum. |
reduce(sum) followed by broadcast of sum. |
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* The adjoint of that is |
* The adjoint of that is |
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sum(adjoint) followed by broadcast(summed adjoint value) |
sum(adjoint) followed by broadcast(summed adjoint value) |
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or in other words, allreduce(sum, adjoint vars) |
or in other words, allreduce(sum, adjoint vars) |
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We were missing the sum(adjoint)! |
We were missing the sum(adjoint)! |
| 24 |
Benign, except(!) for "global" scalars appearing in tile loops (bi,bj) |
Benign, except(!) for "global" scalars appearing in tile loops (bi,bj) |
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