TensorRT-LLMs/cpp/tests/unit_tests/multi_gpu/userBufferTest.cpp
Robin Kobus 31979aefac
[None] [ci] Reorganize CMake and Python integration test infrastructure for C++ tests (#6754)
Signed-off-by: Robin Kobus <19427718+Funatiq@users.noreply.github.com>
2025-08-24 20:53:17 +02:00

48 lines
1.6 KiB
C++

/*
* Copyright (c) 2022-2023, NVIDIA CORPORATION. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "tensorrt_llm/kernels/userbuffers/ub_interface.h"
#include "tensorrt_llm/runtime/utils/mpiUtils.h"
#include <gtest/gtest.h>
namespace mpi = tensorrt_llm::mpi;
namespace tr = tensorrt_llm::runtime;
TEST(UserBuffer, basic)
{
if (!tr::ub::ub_supported())
{
GTEST_SKIP() << "UserBuffer is not supported";
}
auto& comm = mpi::MpiComm::world();
auto world_size = comm.getSize();
auto rank = comm.getRank();
ASSERT_EQ(world_size % 2, 0) << "Requires even world size (got " << world_size << ")";
tr::ub::ub_initialize(world_size);
EXPECT_EQ(tr::ub::ub_is_initialized(), true);
EXPECT_NE(tr::ub::ub_comm(), nullptr);
void* p0 = tr::ub::ub_allocate(1024).addr;
void* p1 = tr::ub::ub_allocate(1024).addr;
EXPECT_NE(p0, nullptr);
EXPECT_NE(p1, nullptr);
EXPECT_EQ(tr::ub::ub_get(0).invalid(), false);
EXPECT_EQ(tr::ub::ub_get(1).invalid(), false);
tr::ub::ub_deallocate(p0);
tr::ub::ub_deallocate(p1);
}