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[coll] Add comm group. (#9759)

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- Implement `CommGroup` for double dispatching.
- Small cleanup to tracker for handling abort.
This commit is contained in:
Jiaming Yuan
2023-11-07 11:12:31 +08:00
committed by GitHub
parent c3a0622b49
commit 6c0a190f6d
15 changed files with 462 additions and 79 deletions
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50
tests/cpp/plugin/federated/test_worker.h
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@@ -5,10 +5,12 @@
#include <gtest/gtest.h>
#include <chrono> // for ms
#include <chrono> // for ms, seconds
#include <memory> // for shared_ptr
#include <thread> // for thread
#include "../../../../plugin/federated/federated_tracker.h"
#include "../../../../src/collective/comm_group.h"
#include "federated_comm.h" // for FederatedComm
#include "xgboost/json.h" // for Json
@@ -23,9 +25,8 @@ void TestFederated(std::int32_t n_workers, WorkerFn&& fn) {
std::vector<std::thread> workers;
using namespace std::chrono_literals;
while (tracker.Port() == 0) {
std::this_thread::sleep_for(100ms);
}
auto rc = tracker.WaitUntilReady();
ASSERT_TRUE(rc.OK()) << rc.Report();
std::int32_t port = tracker.Port();
for (std::int32_t i = 0; i < n_workers; ++i) {
@@ -34,7 +35,8 @@ void TestFederated(std::int32_t n_workers, WorkerFn&& fn) {
config["federated_world_size"] = n_workers;
config["federated_rank"] = i;
config["federated_server_address"] = "0.0.0.0:" + std::to_string(port);
auto comm = std::make_shared<FederatedComm>(config);
auto comm = std::make_shared<FederatedComm>(
DefaultRetry(), std::chrono::seconds{DefaultTimeoutSec()}, std::to_string(i), config);
fn(comm, i);
});
@@ -44,7 +46,43 @@ void TestFederated(std::int32_t n_workers, WorkerFn&& fn) {
t.join();
}
auto rc = tracker.Shutdown();
rc = tracker.Shutdown();
ASSERT_TRUE(rc.OK()) << rc.Report();
ASSERT_TRUE(fut.get().OK());
}
template <typename WorkerFn>
void TestFederatedGroup(std::int32_t n_workers, WorkerFn&& fn) {
Json config{Object()};
config["federated_secure"] = Boolean{false};
config["n_workers"] = Integer{n_workers};
FederatedTracker tracker{config};
auto fut = tracker.Run();
std::vector<std::thread> workers;
auto rc = tracker.WaitUntilReady();
ASSERT_TRUE(rc.OK()) << rc.Report();
std::int32_t port = tracker.Port();
for (std::int32_t i = 0; i < n_workers; ++i) {
workers.emplace_back([=] {
Json config{Object{}};
config["dmlc_communicator"] = std::string{"federated"};
config["dmlc_task_id"] = std::to_string(i);
config["dmlc_retry"] = 2;
config["federated_world_size"] = n_workers;
config["federated_rank"] = i;
config["federated_server_address"] = "0.0.0.0:" + std::to_string(port);
std::shared_ptr<CommGroup> comm_group{CommGroup::Create(config)};
fn(comm_group, i);
});
}
for (auto& t : workers) {
t.join();
}
rc = tracker.Shutdown();
ASSERT_TRUE(rc.OK()) << rc.Report();
ASSERT_TRUE(fut.get().OK());
}