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Common interface for collective communication (#8057)

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* implement broadcast for federated communicator

* implement allreduce

* add communicator factory

* add device adapter

* add device communicator to factory

* add rabit communicator

* add rabit communicator to the factory

* add nccl device communicator

* add synchronize to device communicator

* add back print and getprocessorname

* add python wrapper and c api

* clean up types

* fix non-gpu build

* try to fix ci

* fix std::size_t

* portable string compare ignore case

* c style size_t

* fix lint errors

* cross platform setenv

* fix memory leak

* fix lint errors

* address review feedback

* add python test for rabit communicator

* fix failing gtest

* use json to configure communicators

* fix lint error

* get rid of factories

* fix cpu build

* fix include

* fix python import

* don't export collective.py yet

* skip collective communicator pytest on windows

* add review feedback

* update documentation

* remove mpi communicator type

* fix tests

* shutdown the communicator separately

Co-authored-by: Hyunsu Cho <chohyu01@cs.washington.edu>
This commit is contained in:
Rong Ou
2022-09-12 15:21:12 -07:00
committed by GitHub
parent bc818316f2
commit a2686543a9
25 changed files with 1771 additions and 95 deletions
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1
tests/distributed/test_federated.py
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@@ -22,6 +22,7 @@ def run_server(port: int, world_size: int, with_ssl: bool) -> None:
def run_worker(port: int, world_size: int, rank: int, with_ssl: bool, with_gpu: bool) -> None:
rabit_env = [
'xgboost_communicator=federated',
f'federated_server_address=localhost:{port}',
f'federated_world_size={world_size}',
f'federated_rank={rank}'