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Initial support for federated learning (#7831)

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Federated learning plugin for xgboost:
* A gRPC server to aggregate MPI-style requests (allgather, allreduce, broadcast) from federated workers.
* A Rabit engine for the federated environment.
* Integration test to simulate federated learning.

Additional followups are needed to address GPU support, better security, and privacy, etc.
This commit is contained in:
Rong Ou
2022-05-05 06:49:22 -07:00
committed by GitHub
parent 46e0bce212
commit 14ef38b834
16 changed files with 1087 additions and 1 deletions
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4
rabit/CMakeLists.txt
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@@ -6,7 +6,9 @@ set(RABIT_SOURCES
${CMAKE_CURRENT_LIST_DIR}/src/allreduce_base.cc
${CMAKE_CURRENT_LIST_DIR}/src/rabit_c_api.cc)
if (RABIT_BUILD_MPI)
if (PLUGIN_FEDERATED)
# Skip the engine if the Federated Learning plugin is enabled.
elseif (RABIT_BUILD_MPI)
list(APPEND RABIT_SOURCES ${CMAKE_CURRENT_LIST_DIR}/src/engine_mpi.cc)
elseif (RABIT_MOCK)
list(APPEND RABIT_SOURCES ${CMAKE_CURRENT_LIST_DIR}/src/engine_mock.cc)