* 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>
67 lines
1.3 KiB
Protocol Buffer
67 lines
1.3 KiB
Protocol Buffer
/*!
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* Copyright 2022 XGBoost contributors
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*/
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syntax = "proto3";
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package xgboost.federated;
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service Federated {
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rpc Allgather(AllgatherRequest) returns (AllgatherReply) {}
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rpc Allreduce(AllreduceRequest) returns (AllreduceReply) {}
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rpc Broadcast(BroadcastRequest) returns (BroadcastReply) {}
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}
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enum DataType {
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INT8 = 0;
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UINT8 = 1;
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INT32 = 2;
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UINT32 = 3;
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INT64 = 4;
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UINT64 = 5;
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FLOAT = 6;
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DOUBLE = 7;
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}
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enum ReduceOperation {
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MAX = 0;
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MIN = 1;
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SUM = 2;
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}
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message AllgatherRequest {
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// An incrementing counter that is unique to each round to operations.
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uint64 sequence_number = 1;
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int32 rank = 2;
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bytes send_buffer = 3;
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}
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message AllgatherReply {
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bytes receive_buffer = 1;
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}
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message AllreduceRequest {
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// An incrementing counter that is unique to each round to operations.
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uint64 sequence_number = 1;
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int32 rank = 2;
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bytes send_buffer = 3;
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DataType data_type = 4;
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ReduceOperation reduce_operation = 5;
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}
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message AllreduceReply {
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bytes receive_buffer = 1;
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}
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message BroadcastRequest {
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// An incrementing counter that is unique to each round to operations.
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uint64 sequence_number = 1;
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int32 rank = 2;
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bytes send_buffer = 3;
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// The root rank to broadcast from.
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int32 root = 4;
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}
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message BroadcastReply {
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bytes receive_buffer = 1;
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}
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