colossalai
27 строк · 993.0 Байт
1import pytest
2
3from colossalai.device import AlphaBetaProfiler
4from colossalai.initialize import launch
5from colossalai.logging import disable_existing_loggers
6from colossalai.testing import parameterize, rerun_if_address_is_in_use, spawn
7
8
9def check_alpha_beta(rank, world_size, port, physical_devices):
10disable_existing_loggers()
11launch(config={}, rank=rank, world_size=world_size, host="localhost", port=port, backend="nccl")
12profiler = AlphaBetaProfiler(physical_devices)
13ab_dict = profiler.profile_ab()
14for _, (alpha, beta) in ab_dict.items():
15assert alpha > 0 and alpha < 1e-4 and beta > 0 and beta < 1e-10
16
17
18@pytest.mark.skip(reason="Skip because assertion fails for CI devices")
19@pytest.mark.dist
20@parameterize("physical_devices", [[0, 1, 2, 3], [0, 3]])
21@rerun_if_address_is_in_use()
22def test_profile_alpha_beta(physical_devices):
23spawn(check_alpha_beta, 4, physical_devices=physical_devices)
24
25
26if __name__ == "__main__":
27test_profile_alpha_beta()
28