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v4.0.x: Datatype optimization and fix #6952

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Merged
merged 2 commits into from
Sep 9, 2019

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jsquyres
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@jsquyres jsquyres commented Sep 3, 2019

Refs issue #6932 (corresponding master PR: #6945).

This patch fixes the merge of contiguous elements into larger but more
compact datatypes, and allows for contiguous elements to have thir
blocklen increasing instead of the count. The idea is to always maximize
the blocklen, aka. the contiguous part of the datatype.

Signed-off-by: George Bosilca <[email protected]>
(cherry picked from commit 41e6f55)
elements that can be merged into a larger UINT1 type.

Signed-off-by: George Bosilca <[email protected]>
(cherry picked from commit 82d6322)
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jsquyres commented Sep 3, 2019

bot:ompi:retest

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DDT in the title is confusing for those familiar with debuggers.

@hppritcha hppritcha changed the title v4.0.x: DDT optimization and fix v4.0.x: Datatype optimization and fix Sep 5, 2019
@gpaulsen gpaulsen merged commit ce228d2 into open-mpi:v4.0.x Sep 9, 2019
@bosilca bosilca mentioned this pull request Sep 13, 2019
@jsquyres jsquyres deleted the pr/v4.0.x/ddt-opt-and-fix branch September 25, 2019 19:11
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4 participants