Update thrust/RMM deprecated calls

[dantegd]

PR essentially backports the fixes in #1707 for the deprecated RMM exec policy, and unpins the RMM nighlty to unblock local builds and CI and local development. Conflicts with the bigger PR should be minimal, and mainly around a single change:

rmm::exec_policy(handle.get_stream())

to

handle.get_thrust_policy()

[ajschmidt8]

Approving ops-codeowner file changes

[BradReesWork]

rerun tests

[seunghwak]

If #1707 gets merged, do we need rmm::exec_policy(stream)->on(stream) to rmm::exec_policy(stream) changes in this PR?

[ChuckHastings]

If #1707 gets merged, do we need rmm::exec_policy(stream)->on(stream) to rmm::exec_policy(stream) changes in this PR?

The purpose of this PR is to get merged before #1707, since #1707 is dependent on a series of PRs in other repos getting merged.

If somehow #1707 gets merged first then this PR is obsolete and should be closed without merging.

[ChuckHastings]

rerun tests

[seunghwak]

since #1707 is dependent on a series of PRs in other repos

Yeah... and now #1707 passed the CI, so this doesn't mean those dependencies get resolved?

[ChuckHastings]

since #1707 is dependent on a series of PRs in other repos

Yeah... and now #1707 passed the CI, so this doesn't mean those dependencies get resolved?

It passed CI pointing to a custom branch of raft. There will need to be at least 1 more commit to that branch (after some raft PRs get merged) before it can be merged.

[seunghwak]

It passed CI pointing to a custom branch of raft. There will need to be at least 1 more commit to that branch (after some raft PRs get merged) before it can be merged.

I see, and thanks for the clarification. I was just worried about a huge number of merge conflicts between this PR and PR 1707, but it seems like it is unavoidable.

[codecov-commenter]

Codecov Report

Merging #1789 (aeb663b) into branch-21.10 (bf64c2c) will decrease coverage by 0.16%.
The diff coverage is n/a.

❗ Current head aeb663b differs from pull request most recent head 46b9b36. Consider uploading reports for the commit 46b9b36 to get more accurate results

@@               Coverage Diff                @@
##           branch-21.10    #1789      +/-   ##
================================================
- Coverage         59.85%   59.68%   -0.17%     
================================================
  Files                77       77              
  Lines              3547     3567      +20     
================================================
+ Hits               2123     2129       +6     
- Misses             1424     1438      +14     

Impacted Files	Coverage Δ
python/cugraph/centrality/katz_centrality.py	89.47% <ø> (ø)
python/cugraph/dask/common/part_utils.py	20.16% <ø> (ø)
python/cugraph/dask/link_analysis/pagerank.py	18.60% <ø> (-1.99%)	⬇️
python/cugraph/layout/force_atlas2.py	55.55% <ø> (+5.55%)	⬆️
python/cugraph/link_analysis/pagerank.py	96.00% <ø> (-4.00%)	⬇️
python/cugraph/utilities/nx_factory.py	86.88% <ø> (+0.92%)	⬆️
python/cugraph/community/__init__.py	70.37% <0.00%> (-18.52%)	⬇️
... and 4 more

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[ChuckHastings]

@gpucibot merge