fe9dff339c
* Convert federated learner test into test suite. - Add specialization to learning to rank.
114 lines
3.3 KiB
C++
114 lines
3.3 KiB
C++
/*!
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* Copyright 2017-2020 XGBoost contributors
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*/
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#include <gtest/gtest.h>
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#include <iostream>
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#include <thread>
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#include "federated_client.h"
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#include "helpers.h"
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namespace xgboost {
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class FederatedServerTest : public BaseFederatedTest {
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public:
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static void VerifyAllgather(int rank, const std::string& server_address) {
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federated::FederatedClient client{server_address, rank};
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CheckAllgather(client, rank);
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}
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static void VerifyAllreduce(int rank, const std::string& server_address) {
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federated::FederatedClient client{server_address, rank};
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CheckAllreduce(client);
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}
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static void VerifyBroadcast(int rank, const std::string& server_address) {
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federated::FederatedClient client{server_address, rank};
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CheckBroadcast(client, rank);
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}
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static void VerifyMixture(int rank, const std::string& server_address) {
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federated::FederatedClient client{server_address, rank};
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for (auto i = 0; i < 10; i++) {
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CheckAllgather(client, rank);
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CheckAllreduce(client);
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CheckBroadcast(client, rank);
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}
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}
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protected:
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static void CheckAllgather(federated::FederatedClient& client, int rank) {
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int data[kWorldSize] = {0, 0, 0};
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data[rank] = rank;
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std::string send_buffer(reinterpret_cast<char const*>(data), sizeof(data));
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auto reply = client.Allgather(send_buffer);
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auto const* result = reinterpret_cast<int const*>(reply.data());
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for (auto i = 0; i < kWorldSize; i++) {
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EXPECT_EQ(result[i], i);
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}
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}
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static void CheckAllreduce(federated::FederatedClient& client) {
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int data[] = {1, 2, 3, 4, 5};
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std::string send_buffer(reinterpret_cast<char const*>(data), sizeof(data));
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auto reply = client.Allreduce(send_buffer, federated::INT32, federated::SUM);
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auto const* result = reinterpret_cast<int const*>(reply.data());
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int expected[] = {3, 6, 9, 12, 15};
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for (auto i = 0; i < 5; i++) {
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EXPECT_EQ(result[i], expected[i]);
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}
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}
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static void CheckBroadcast(federated::FederatedClient& client, int rank) {
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std::string send_buffer{};
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if (rank == 0) {
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send_buffer = "hello broadcast";
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}
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auto reply = client.Broadcast(send_buffer, 0);
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EXPECT_EQ(reply, "hello broadcast") << "rank " << rank;
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}
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};
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TEST_F(FederatedServerTest, Allgather) {
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std::vector<std::thread> threads;
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for (auto rank = 0; rank < kWorldSize; rank++) {
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threads.emplace_back(&FederatedServerTest::VerifyAllgather, rank, server_->Address());
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}
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for (auto& thread : threads) {
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thread.join();
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}
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}
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TEST_F(FederatedServerTest, Allreduce) {
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std::vector<std::thread> threads;
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for (auto rank = 0; rank < kWorldSize; rank++) {
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threads.emplace_back(&FederatedServerTest::VerifyAllreduce, rank, server_->Address());
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}
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for (auto& thread : threads) {
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thread.join();
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}
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}
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TEST_F(FederatedServerTest, Broadcast) {
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std::vector<std::thread> threads;
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for (auto rank = 0; rank < kWorldSize; rank++) {
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threads.emplace_back(&FederatedServerTest::VerifyBroadcast, rank, server_->Address());
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}
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for (auto& thread : threads) {
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thread.join();
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}
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}
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TEST_F(FederatedServerTest, Mixture) {
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std::vector<std::thread> threads;
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for (auto rank = 0; rank < kWorldSize; rank++) {
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threads.emplace_back(&FederatedServerTest::VerifyMixture, rank, server_->Address());
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}
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for (auto& thread : threads) {
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thread.join();
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}
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}
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} // namespace xgboost
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