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Fix Bug in MG ego_graph #4262

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merged 4 commits into from
Mar 26, 2024
Merged

Fix Bug in MG ego_graph #4262

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nv-rliu Mar 20, 2024
546bdb9
PR feedback corrections
nv-rliu Mar 25, 2024
3b8db04
Update variable name
nv-rliu Mar 25, 2024
1415b3c
disable dask-expr temporarily
nv-rliu Mar 25, 2024
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4 changes: 4 additions & 0 deletions ci/test_python.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,10 @@

set -euo pipefail

# TODO: Enable dask query planning (by default) once some bugs are fixed.
# xref: https://github.com/rapidsai/cudf/issues/15027
export DASK_DATAFRAME__QUERY_PLANNING=False

# Support invoking test_python.sh outside the script directory
cd "$(dirname "$(realpath "${BASH_SOURCE[0]}")")"/../

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4 changes: 4 additions & 0 deletions ci/test_wheel.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,10 @@

set -eoxu pipefail

# TODO: Enable dask query planning (by default) once some bugs are fixed.
# xref: https://github.com/rapidsai/cudf/issues/15027
export DASK_DATAFRAME__QUERY_PLANNING=False

package_name=$1
package_dir=$2

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7 changes: 5 additions & 2 deletions python/cugraph/cugraph/dask/common/part_utils.py
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@@ -1,4 +1,4 @@
# Copyright (c) 2019-2023, NVIDIA CORPORATION.
# Copyright (c) 2019-2024, NVIDIA CORPORATION.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
Expand Down Expand Up @@ -115,7 +115,10 @@ def persist_dask_df_equal_parts_per_worker(
raise ValueError("return_type must be either 'dask_cudf.DataFrame' or 'dict'")

ddf_keys = dask_df.to_delayed()
workers = client.scheduler_info()["workers"].keys()
rank_to_worker = Comms.rank_to_worker(client)
# rank-worker mappings are in ascending order
workers = dict(sorted(rank_to_worker.items())).values()

ddf_keys_ls = _chunk_lst(ddf_keys, len(workers))
persisted_keys_d = {}
for w, ddf_k in zip(workers, ddf_keys_ls):
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15 changes: 14 additions & 1 deletion python/cugraph/cugraph/dask/comms/comms.py
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@@ -1,4 +1,4 @@
# Copyright (c) 2018-2023, NVIDIA CORPORATION.
# Copyright (c) 2018-2024, NVIDIA CORPORATION.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
Expand Down Expand Up @@ -265,3 +265,16 @@ def get_n_workers(sID=None, dask_worker=None):
dask_worker = get_worker()
sessionstate = get_raft_comm_state(sID, dask_worker)
return sessionstate["nworkers"]


def rank_to_worker(client):
"""
Return a mapping of ranks to dask workers.
"""
workers = client.scheduler_info()["workers"].keys()
worker_info = __instance.worker_info(workers)
rank_to_worker = {}
for w in worker_info:
rank_to_worker[worker_info[w]["rank"]] = w

return rank_to_worker
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