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Disable mpi backend build when found xccl #1923

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Disable mpi backend build when found xccl #1923

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4 changes: 4 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,10 @@ if(USE_XCCL)
caffe2_update_option(USE_XCCL OFF)
caffe2_update_option(USE_C10D_XCCL OFF)
update_caffe2_macros_file()
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Copilot AI Aug 11, 2025

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The else() clause is unclear without context. Consider adding a comment to explain that this branch executes when XCCL is found and enabled, to improve code readability.

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update_caffe2_macros_file()
update_caffe2_macros_file()
# XCCL is found and enabled; disable MPI options and update macros file.

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else()
caffe2_update_option(USE_MPI OFF)
caffe2_update_option(USE_C10D_MPI OFF)
update_caffe2_macros_file()
endif()
endif()

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