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Better error message when world size and rank are set as strings #8316

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merged 7 commits into from Oct 12, 2022
Merged

Better error message when world size and rank are set as strings #8316

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85f8a9b
Allow world size and rank to be specified as strings
rongou Oct 6, 2022
b0633ef
Merge remote-tracking branch 'upstream/master' into federated-world-s…
rongou Oct 7, 2022
ba8c952
Merge remote-tracking branch 'upstream/master' into federated-world-s…
rongou Oct 10, 2022
5fedba8
enforce integer
rongou Oct 10, 2022
8d4841d
Use optional argument instead.
trivialfis Oct 11, 2022
77eb80d
error message.
trivialfis Oct 11, 2022
5fcb360
remove create test
rongou Oct 11, 2022
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6 changes: 6 additions & 0 deletions plugin/federated/federated_communicator.h
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Expand Up @@ -98,10 +98,16 @@ class FederatedCommunicator : public Communicator {
if (IsA<Integer const>(j_world_size)) {
world_size = static_cast<int>(get<Integer const>(j_world_size));
}
if (IsA<String const>(j_world_size)) {
world_size = std::stoi(get<String const>(j_world_size));
}
auto const &j_rank = config["federated_rank"];
if (IsA<Integer const>(j_rank)) {
rank = static_cast<int>(get<Integer const>(j_rank));
}
if (IsA<String const>(j_rank)) {
rank = std::stoi(get<String const>(j_rank));
}
auto const &j_server_cert = config["federated_server_cert"];
if (IsA<String const>(j_server_cert)) {
server_cert = get<String const>(j_server_cert);
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25 changes: 25 additions & 0 deletions tests/cpp/plugin/test_federated_communicator.cc
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Expand Up @@ -40,6 +40,9 @@ class FederatedCommunicatorTest : public ::testing::Test {
}

void TearDown() override {
while (!server_) {
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This seems odd, could you please share when it helps?

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This was somehow needed to get the create test to work. Seems more trouble than its worth. Removed.

sleep(1);
}
server_->Shutdown();
server_thread_->join();
}
Expand Down Expand Up @@ -96,6 +99,28 @@ TEST(FederatedCommunicatorSimpleTest, IsDistributed) {
EXPECT_TRUE(comm.IsDistributed());
}

TEST_F(FederatedCommunicatorTest, Create) {
Json config{JsonObject()};
config["federated_server_address"] = kServerAddress;
config["federated_world_size"] = std::string("1");
config["federated_rank"] = std::string("0");
auto *comm = FederatedCommunicator::Create(config);
EXPECT_EQ(1, comm->GetWorldSize());
EXPECT_EQ(0, comm->GetRank());
delete comm;
}

TEST_F(FederatedCommunicatorTest, CreateFromIntegers) {
Json config{JsonObject()};
config["federated_server_address"] = kServerAddress;
config["federated_world_size"] = 1;
config["federated_rank"] = Integer(0);
auto *comm = FederatedCommunicator::Create(config);
EXPECT_EQ(1, comm->GetWorldSize());
EXPECT_EQ(0, comm->GetRank());
delete comm;
}

TEST_F(FederatedCommunicatorTest, Allreduce) {
std::vector<std::thread> threads;
for (auto rank = 0; rank < kWorldSize; rank++) {
Expand Down