fe9dff339c
* Convert federated learner test into test suite. - Add specialization to learning to rank.
84 lines
2.7 KiB
Plaintext
84 lines
2.7 KiB
Plaintext
/*!
|
|
* Copyright 2022 XGBoost contributors
|
|
*/
|
|
#include <gtest/gtest.h>
|
|
#include <thrust/host_vector.h>
|
|
|
|
#include <ctime>
|
|
#include <iostream>
|
|
#include <thread>
|
|
|
|
#include "../../../plugin/federated/federated_communicator.h"
|
|
#include "../../../src/collective/device_communicator_adapter.cuh"
|
|
#include "./helpers.h"
|
|
|
|
namespace xgboost::collective {
|
|
|
|
class FederatedAdapterTest : public BaseFederatedTest {};
|
|
|
|
TEST(FederatedAdapterSimpleTest, ThrowOnInvalidDeviceOrdinal) {
|
|
auto construct = []() { DeviceCommunicatorAdapter adapter{-1, nullptr}; };
|
|
EXPECT_THROW(construct(), dmlc::Error);
|
|
}
|
|
|
|
TEST(FederatedAdapterSimpleTest, ThrowOnInvalidCommunicator) {
|
|
auto construct = []() { DeviceCommunicatorAdapter adapter{0, nullptr}; };
|
|
EXPECT_THROW(construct(), dmlc::Error);
|
|
}
|
|
|
|
TEST_F(FederatedAdapterTest, DeviceAllReduceSum) {
|
|
std::vector<std::thread> threads;
|
|
for (auto rank = 0; rank < kWorldSize; rank++) {
|
|
threads.emplace_back([rank, server_address = server_->Address()] {
|
|
FederatedCommunicator comm{kWorldSize, rank, server_address};
|
|
// Assign device 0 to all workers, since we run gtest in a single-GPU machine
|
|
DeviceCommunicatorAdapter adapter{0, &comm};
|
|
int count = 3;
|
|
thrust::device_vector<double> buffer(count, 0);
|
|
thrust::sequence(buffer.begin(), buffer.end());
|
|
adapter.AllReduceSum(buffer.data().get(), count);
|
|
thrust::host_vector<double> host_buffer = buffer;
|
|
EXPECT_EQ(host_buffer.size(), count);
|
|
for (auto i = 0; i < count; i++) {
|
|
EXPECT_EQ(host_buffer[i], i * kWorldSize);
|
|
}
|
|
});
|
|
}
|
|
for (auto& thread : threads) {
|
|
thread.join();
|
|
}
|
|
}
|
|
|
|
TEST_F(FederatedAdapterTest, DeviceAllGatherV) {
|
|
std::vector<std::thread> threads;
|
|
for (auto rank = 0; rank < kWorldSize; rank++) {
|
|
threads.emplace_back([rank, server_address = server_->Address()] {
|
|
FederatedCommunicator comm{kWorldSize, rank, server_address};
|
|
// Assign device 0 to all workers, since we run gtest in a single-GPU machine
|
|
DeviceCommunicatorAdapter adapter{0, &comm};
|
|
|
|
int const count = rank + 2;
|
|
thrust::device_vector<char> buffer(count, 0);
|
|
thrust::sequence(buffer.begin(), buffer.end());
|
|
std::vector<std::size_t> segments(kWorldSize);
|
|
dh::caching_device_vector<char> receive_buffer{};
|
|
|
|
adapter.AllGatherV(buffer.data().get(), count, &segments, &receive_buffer);
|
|
|
|
EXPECT_EQ(segments[0], 2);
|
|
EXPECT_EQ(segments[1], 3);
|
|
thrust::host_vector<char> host_buffer = receive_buffer;
|
|
EXPECT_EQ(host_buffer.size(), 9);
|
|
int expected[] = {0, 1, 0, 1, 2, 0, 1, 2, 3};
|
|
for (auto i = 0; i < 9; i++) {
|
|
EXPECT_EQ(host_buffer[i], expected[i]);
|
|
}
|
|
});
|
|
}
|
|
for (auto& thread : threads) {
|
|
thread.join();
|
|
}
|
|
}
|
|
|
|
} // namespace xgboost::collective
|