32 lines
839 B
C++
32 lines
839 B
C++
/*!
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* Copyright 2022 XGBoost contributors
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*/
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#pragma once
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#include <string>
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#include "communicator.h"
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namespace xgboost {
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namespace collective {
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/**
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* A no-op communicator, used for non-distributed training.
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*/
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class NoOpCommunicator : public Communicator {
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public:
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NoOpCommunicator() : Communicator(1, 0) {}
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bool IsDistributed() const override { return false; }
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bool IsFederated() const override { return false; }
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void AllGather(void *, std::size_t) override {}
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void AllReduce(void *, std::size_t, DataType, Operation) override {}
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void Broadcast(void *, std::size_t, int) override {}
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std::string GetProcessorName() override { return ""; }
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void Print(const std::string &message) override { LOG(CONSOLE) << message; }
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protected:
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void Shutdown() override {}
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};
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} // namespace collective
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} // namespace xgboost
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