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/**
* Copyright 2023-2024, XGBoost Contributors
*/
#include <gtest/gtest.h>
#include <xgboost/json.h> // for Json
#include "../../../../src/collective/comm_group.h"
#include "../../../../src/common/cuda_rt_utils.h" // for AllVisibleGPUs
#include "../../helpers.h"
#include "test_worker.h"
namespace xgboost::collective {
TEST(CommGroup, FederatedGPU) {
std::int32_t n_workers = curt::AllVisibleGPUs();
TestFederatedGroup(n_workers, [&](std::shared_ptr<CommGroup> comm_group, std::int32_t r) {
Context ctx = MakeCUDACtx(0);
auto const& comm = comm_group->Ctx(&ctx, DeviceOrd::CUDA(0));
ASSERT_EQ(comm_group->Rank(), r);
ASSERT_EQ(comm.TaskID(), std::to_string(r));
ASSERT_EQ(comm.Retry(), 2);
});
}
} // namespace xgboost::collective
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