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Tianqi Chen 2014-11-20 22:01:26 -08:00
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@ -12,7 +12,7 @@ Design Choice
* Does distributed xgboost reply on MPI? * Does distributed xgboost reply on MPI?
- Yes, but the dependency is isolated in [sync module](../src/sync/sync.h) - Yes, but the dependency is isolated in [sync module](../src/sync/sync.h)
- All other parts of code uses interface defined in sync.h - All other parts of code uses interface defined in sync.h
- sync_mpi.cpp is a implementation of sync interface - sync_mpi.cpp is a implementation of sync interface using standard MPI library
- Specificially, xgboost reply on MPI protocol that provide Broadcast and AllReduce, - Specificially, xgboost reply on MPI protocol that provide Broadcast and AllReduce,
if there are platform/framework that implements these protocol, xgboost should naturally extends to these platform if there are platform/framework that implements these protocol, xgboost should naturally extends to these platform
* How is the data distributed? * How is the data distributed?