-
-
Notifications
You must be signed in to change notification settings - Fork 8.7k
/
test_federated_communicator.cc
141 lines (121 loc) · 4.23 KB
/
test_federated_communicator.cc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/*!
* Copyright 2022 XGBoost contributors
*/
#include <dmlc/parameter.h>
#include <grpcpp/server_builder.h>
#include <gtest/gtest.h>
#include <thread>
#include "../../../plugin/federated/federated_communicator.h"
#include "../../../plugin/federated/federated_server.h"
namespace xgboost {
namespace collective {
std::string const kServerAddress{"localhost:56789"}; // NOLINT(cert-err58-cpp)
class FederatedCommunicatorTest : public ::testing::Test {
public:
static void VerifyAllreduce(int rank) {
FederatedCommunicator comm{kWorldSize, rank, kServerAddress};
CheckAllreduce(comm);
}
static void VerifyBroadcast(int rank) {
FederatedCommunicator comm{kWorldSize, rank, kServerAddress};
CheckBroadcast(comm, rank);
}
protected:
void SetUp() override {
server_thread_.reset(new std::thread([this] {
grpc::ServerBuilder builder;
federated::FederatedService service{kWorldSize};
builder.AddListeningPort(kServerAddress, grpc::InsecureServerCredentials());
builder.RegisterService(&service);
server_ = builder.BuildAndStart();
server_->Wait();
}));
}
void TearDown() override {
server_->Shutdown();
server_thread_->join();
}
static void CheckAllreduce(FederatedCommunicator &comm) {
int buffer[] = {1, 2, 3, 4, 5};
comm.AllReduce(buffer, sizeof(buffer) / sizeof(buffer[0]), DataType::kInt32, Operation::kSum);
int expected[] = {3, 6, 9, 12, 15};
for (auto i = 0; i < 5; i++) {
EXPECT_EQ(buffer[i], expected[i]);
}
}
static void CheckBroadcast(FederatedCommunicator &comm, int rank) {
if (rank == 0) {
std::string buffer{"hello"};
comm.Broadcast(&buffer[0], buffer.size(), 0);
EXPECT_EQ(buffer, "hello");
} else {
std::string buffer{" "};
comm.Broadcast(&buffer[0], buffer.size(), 0);
EXPECT_EQ(buffer, "hello");
}
}
static int const kWorldSize{3};
std::unique_ptr<std::thread> server_thread_;
std::unique_ptr<grpc::Server> server_;
};
TEST(FederatedCommunicatorSimpleTest, ThrowOnWorldSizeTooSmall) {
auto construct = []() { FederatedCommunicator comm{0, 0, kServerAddress, "", "", ""}; };
EXPECT_THROW(construct(), dmlc::Error);
}
TEST(FederatedCommunicatorSimpleTest, ThrowOnRankTooSmall) {
auto construct = []() { FederatedCommunicator comm{1, -1, kServerAddress, "", "", ""}; };
EXPECT_THROW(construct(), dmlc::Error);
}
TEST(FederatedCommunicatorSimpleTest, ThrowOnRankTooBig) {
auto construct = []() { FederatedCommunicator comm{1, 1, kServerAddress, "", "", ""}; };
EXPECT_THROW(construct(), dmlc::Error);
}
TEST(FederatedCommunicatorSimpleTest, ThrowOnWorldSizeNotInteger) {
auto construct = []() {
Json config{JsonObject()};
config["federated_server_address"] = kServerAddress;
config["federated_world_size"] = std::string("1");
config["federated_rank"] = Integer(0);
auto *comm = FederatedCommunicator::Create(config);
};
EXPECT_THROW(construct(), dmlc::Error);
}
TEST(FederatedCommunicatorSimpleTest, ThrowOnRankNotInteger) {
auto construct = []() {
Json config{JsonObject()};
config["federated_server_address"] = kServerAddress;
config["federated_world_size"] = 1;
config["federated_rank"] = std::string("0");
auto *comm = FederatedCommunicator::Create(config);
};
EXPECT_THROW(construct(), dmlc::Error);
}
TEST(FederatedCommunicatorSimpleTest, GetWorldSizeAndRank) {
FederatedCommunicator comm{6, 3, kServerAddress};
EXPECT_EQ(comm.GetWorldSize(), 6);
EXPECT_EQ(comm.GetRank(), 3);
}
TEST(FederatedCommunicatorSimpleTest, IsDistributed) {
FederatedCommunicator comm{2, 1, kServerAddress};
EXPECT_TRUE(comm.IsDistributed());
}
TEST_F(FederatedCommunicatorTest, Allreduce) {
std::vector<std::thread> threads;
for (auto rank = 0; rank < kWorldSize; rank++) {
threads.emplace_back(std::thread(&FederatedCommunicatorTest::VerifyAllreduce, rank));
}
for (auto &thread : threads) {
thread.join();
}
}
TEST_F(FederatedCommunicatorTest, Broadcast) {
std::vector<std::thread> threads;
for (auto rank = 0; rank < kWorldSize; rank++) {
threads.emplace_back(std::thread(&FederatedCommunicatorTest::VerifyBroadcast, rank));
}
for (auto &thread : threads) {
thread.join();
}
}
} // namespace collective
} // namespace xgboost